2026
Other
Santamaria-Pedrón, J. C.; Reaño, C.; Torres-Sospedra, J.
Lightweight Convolutional Autoencoder for Unsupervised NLOS Identification in UWB Positioning
Proceedings of the 2026 IEEE International Instrumentation and Measurement Technology Conference (I2MTC),
2026.
Presented at I2MTC 2026.
Other
Martín-Frechina, S.; Martinez, E.; Torres-Sospedra, J.
Advancing BLE Angle-of-Arrival Estimation with Deep Learning
Proceedings of the 2026 IEEE International Instrumentation and Measurement Technology Conference (I2MTC),
2026.
Presented at I2MTC 2026.
Other
Bellavista-Parent, V.; Garcia-Lozano, M.; Perez-Navarro, A.; Torres-Sospedra, J.
Open Real-World Dataset and Evaluation of TOA Multilateration and RSRP Fingerprinting for 5G NR Indoor Localization
Proceedings of the 2026 IEEE International Instrumentation and Measurement Technology Conference (I2MTC),
2026.
Presented at I2MTC 2026.
Other
Ramires, M.; Torres-Sospedra, J.; Navarro Camba, E.; Meneses, F.; Moreira, A.
Open challenges in BLE-based Direction-of-Arrival estimation
Proceedings of the IEEE International Conference on Communications: IoT & Sensor Networks (ICC 2026),
2026.
Presented at ICC 2026.
Workshop
Sosa-León, V.A.L.; Mukhametov, S.; Trilles S.; Huerta, J.; Torres-Sospedra, J.
Privacy-Preserving Skeleton-Based Analysis of Visitor Behavior in Museums
Proceedings of 2024 IEEE International Conference on Pervasive Computing and Communications Workshops and other Affiliated Events (PerCom Workshops). CoMoRe-AI 2026: 22nd Workshop on Context and Activity Modeling and Recognition with AI,
2026.
To be presented in CoMoRe-AI 2026 a PerCom Workshop.
2025
Other
Díaz Jiménez, D.; López Ruiz, J. L.; Torres-Sospedra, J.; Matey-Sanz, M.; Espinilla Estévez, M.
Smart Sensing Framework: A Custom Beacon Architecture for Mobile Data Logging
Proceedings of the 17th International Conference on Ubiquitous Computing & Ambient Intelligence (UCAmI 2025),
2025.
Presented at UCAMI 2025.
Other
Matey-Sanz, M.; Claver, J. M.; Martinez, E.; Felici-Castell, S.; Montoliu, R.; Pérez-Navarro, A.; Perez, J. J.; Soriano, A.; Trilles, S.; Torres-Sospedra, J.
Fingerprinting with Fine Time Measurements: from RSS to RTT
Proceedings of the 17th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops,
2025.
Presented at ICUMT 2025.
Other
Serrano, T.; and Torres-Sospedra, J.
Enhanced Radio Map for Wi-Fi Fingerprinting Using PDR and Particle Filter
Proceedings of 2025 IEEE SENSORS,
2025.
Presented at IEEE SENSORS 2025.
Core C
Jimenez Ruiz, A. R., Torres-Sospedra, J., Ruiz-Ruiz, L.
Dense Ground Truth for Indoor Localization Competitions: Foot-mounted IMU-Enhanced Evaluation
Proceedings of the Workshop for Computing & Advanced Localization at the Fifteenth International Conference on Indoor Positioning and Indoor Navigation (IPIN-WCAL 2025).,
2025.
online
IPIN-WCAL2025 - Best WCAL Paper Award
Core C
Din, T. C.; and Torres-Sospedra, J.
BLE Antenna characterization in real environments
Proceedings of the Fifteenth International Conference on Indoor Positioning and Indoor Navigation,
2025.
Core C
Ramires, M.; Torres-Sospedra, J., Puga, J.; Machado, N.; Moreira, A.; and Meneses, F.
A Multiple BLE Beacon Approach for Tracking in Industrial Environments
Proceedings of the Fifteenth International Conference on Indoor Positioning and Indoor Navigation,
2025.
Core C
Matey-Sanz, M.; and Torres-Sospedra, J.
Comparative Analysis of Indoor Positioning Approaches with Wi-Fi RTT from Android Devices
Proceedings of the Fifteenth International Conference on Indoor Positioning and Indoor Navigation,
2025.
IPIN2025 - Best Paper Award (Runner-up)
Core C
Díaz-Jiménez, D.; López-Ruiz, J. L.; Espinilla, M.; Ramires, M.; and Torres-Sospedra, J.
Toward more reliable wireless localization: Evaluation of a novel configurable Beacon
Proceedings of the Fifteenth International Conference on Indoor Positioning and Indoor Navigation,
2025.
Core C
Silva, I.; Torres-Sospedra, J. and Pendao, C.;
Is Wi-Fi fingerprinting enough to estimate the current floor in real-world deployments?
Proceedings of the Fifteenth International Conference on Indoor Positioning and Indoor Navigation,
2025.
Core C
Ferrato, A.;Fabio Gasparetti, Limongelli, C.; Mastandrea, S.; Sansonetti, G.; and Torres-Sospedra, J.
Cross-platform Smartphone Positioning at Museums
Proceedings of the Fifteenth International Conference on Indoor Positioning and Indoor Navigation,
2025.
Core C
Pérez-Senosiain, D.; Matey-Sanz, M.; and Torres-Sospedra, J.
Evaluating Wi-Fi Round Trip Time for Accurate Indoor Positioning with Android Smartphones
Proceedings of the Fifteenth International Conference on Indoor Positioning and Indoor Navigation,
2025.
Core C
Torres-Sospedra, J.; Montoliu, R.; and Perez-Navarro, A.
UJIIndoorLoc Dataset: A Retrospective Analysis after 10 Years of Usage
Proceedings of the Fifteenth International Conference on Indoor Positioning and Indoor Navigation,
2025.
Core B
Bellavista-Parent, V.; Torres-Sospedra, J.; Perez-Navarro, A.;
Comparison of Multilateration using Wi-Fi RSSI and 5G ToA in a High School Scenario
Proceedings of the 101th Vehicular Technology Conference (VTC2025-Spring),
2025.
Others
Ramires, M. Aranda, F. J., Torres-Sospedra, J., Moreira, A., Meneses, F.
Enhancing Direction-of-Arrival Estimation via Sliding Window and Filtering of Phase-Differences
Proceedings of the 2025 International Conference on Localization and GNSS (ICL-GNSS),
2025.
Others
Quezada-Gaibor, D.; Matey-Sanz, M.; Huerta, J.; and Torres-Sospedra, J.;/span>
Modular Fingerprinting and Deep Learning: A New Training Approach
Proceedings of the 3rd International IEEE Applied Sensing Conference (APSCON),
2025.
APSCON2025 - Best Paper Award (Runner Up)
2024
Others
Din, T. C.; Matey-Sanz, M.; Bautista; A.; Trilles, S.; and Torres-Sospedra, J.
Feasibility Analysis of Self-Oriented BLE Anchors Powered by NEMA Motors for DoA-based Indoor Positioning
Proceedings of the 16th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops(ICUMT),
2024.
url
Others
Valero-Abundio, C.; Montoliu, R.; Martínez-García, M.; Sansano-Sansano, E.; Torres-Sospedra, J.; and Pérez-Navarro, A.
Error Bound Estimation for Fingerprinting-Based Indoor Positioning Systems Using Monte Carlo Simulations
Proceedings of the 16th International Congress on Ultra Modern Telecommunications and Control Systems (ICUMT),
2024.
Accepted in press!
Core B
Klus, L.; Klus, R.; Torres-Sospedra, J.; Lohan, E. S.; Silva, I.; Pendão, C.; Valkama, M.}
Enabling Dynamic Indoor Localization by Employing Intersection over Union as a Metric
Proceedings of the 100th Vehicular Technology Conference (VTC2024-Fall),
2024.
Core C
Anagnostopoulos, G. G.; Barsocchi, P.; Crivello, A.; Pendão, C.; Silva, I.; and Torres-Sospedra, J.
Evaluating Open Science Practices in Indoor Positioning and Indoor Navigation Research: A Survey of the IPIN’s Reference Papers of 2022 and 2023 Editions
Proceedings of the Fourthteenth International Conference on Indoor Positioning and Indoor Navigation,
2024.
IPIN2024 - Best Paper Award
Core C
Din, T. C.; Huerta, J.; Trilles, S.; and Torres-Sospedra, J.
Feasibility Analysis of Self-oriented Antennas for Indoor Positioning based on Direction-of-Arrival and Bluetooth-Low-Energy
Proceedings of the Fourthteenth International Conference on Indoor Positioning and Indoor Navigation,
2024.
Others
Valero-Abundio, C.; Montoliu, R.; Martínez-García, M.; Sansano-Sansano, E.; Torres-Sospedra, J.; and Pérez-Navarro, A.
Using ellipses to improve the estimation of the error bound on indoor positioning problems
4th International Symposium on Sensing and Instrumentation in IoT Era (ISSI-IOT),
2024.
ISSI-IOT2024 - Best Student Paper Award
Others
Royet, L.; Torres-Sospedra, J.; Montoliu, R.; and Pérez-Navarro, A.
Analysis of the origin of differences in position among different fingerprinting datasets
4th International Symposium on Sensing and Instrumentation in IoT Era (ISSI-IOT),
2024.
Others
Torres-Sospedra, J.; Silva, I.; Pendão, C.; Meneses, F.; and Moreira, A.
Hyperparameterless k-NN for Wi-Fi Fingerprinting
2024 International Conference on Localization and GNSS (ICL-GNSS),
2024.
2023
Core C
Matey-Sanz, M.; Torres-Sospedra, J.; González-Pérez, A.; Casteleyn, S.; and Granell, C.
Analysis and Impact of Training Set Size in Cross-Subject Human Activity Recognition
Pattern Recognition, Image Analysis, Computer Vision, and Applications (CIARP 2023),
Lecture Notes in Computer Science, vol 14469,
2023.
Core C
Brunello, A.; Montanari, A.; Saccomanno, N.; and Torres-Sospedra, J.
High-Performance Features in Generalizable Fingerprint-based Indoor Positioning
Proceedings of the 20th EAI International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 593. Springer, Cham.,
2023.
Core C
Aranda-Polo, F.J.; Parralejo, F.; Aguilera-Benítez, T.; Álvarez-Franco, F.J.; and Torres-Sospedra, J.
RSS Channel-Based Integration for BLE Fingerprinting Positioning
Proceedings of the Thirdteenth International Conference on Indoor Positioning and Indoor Navigation,
2023.
Core C
Lluva-Plaza, S.; Torres-Sospedra, J.; Garcia, J.J.; Villadangos, J.M.; and Jimenez-Martín, A.
Unsupervised Analysis of Daily Routine Evolution for Elderly People Using Room-Level Localisation
Proceedings of the Thirdteenth International Conference on Indoor Positioning and Indoor Navigation,
2023.
Core C
Bravenec, T.; Torres-Sospedra, J.; Gould, M.; and Fryza, T.
UJI Probes: Dataset of Wi-Fi Probe Requests
Proceedings of the Thirdteenth International Conference on Indoor Positioning and Indoor Navigation,
2023.
Core C
Díez-González, J.; Verde, P.; Ferrero-Guillén, R.; Martínez-Gutiérrez, A.; Álvarez, R.; Perez, H.; and Torres-Sospedra, J.
Asynchronous time-based proposal for the positioning of UAVs for indoor TV filming
Proceedings of the Thirdteenth International Conference on Indoor Positioning and Indoor Navigation,
2023.
Core C
Matey, M.; Torres-Sospedra, J.; and Moreira, A.
Temporal Stability on Human Activity Recognition based on Wi-Fi CSI
Proceedings of the Thirdteenth International Conference on Indoor Positioning and Indoor Navigation,
2023.
Core C
Pendão, C.; Silva, I.; Moreira, A.; Aranda-Polo, F.J.; and Torres-Sospedra, J.
Towards Quality Wi-Fi Synthetic Data for Indoor Positioning Evaluation
Proceedings of the Thirdteenth International Conference on Indoor Positioning and Indoor Navigation,
2023.
Core C
Silva, I.; Pendão, C.; Torres-Sospedra, J.; and Moreira, A.
Overcoming Radio Map Degradation in Wi-Fi-based Positioning Systems
Proceedings of the Thirdteenth International Conference on Indoor Positioning and Indoor Navigation,
2023.
Core C
Torres-Sospedra, J.; Pendão, C.; Silva, I.; Meneses, F.; Quezada-Gaibor, D.; Montoliu, R.; Crivello, A.; Barsocchi, P.; Perez-Navarro, A.; and Moreira, A.
Let's Talk about k-NN for Indoor Positioning: Myths and Facts in RF-based Fingerprinting
Proceedings of the Thirdteenth International Conference on Indoor Positioning and Indoor Navigation,
2023.
Others
Kumar, R.; Torres-Sospedra, J.; Chaurasiya, V.K.;
Datasets for Indoor Positioning with Single-AP Wi-Fi Fingerprinting
Proceedings of the 2023 International Conference on Localization and GNSS (ICL-GNSS), WIPHAL 2023 Work-in-Progress in Hardware and Software for Location Computation 2023 ,
2023.
url
2022
Core B
Ramires, M.; Torres-Sospedra, J.; Moreira, A.
Accurate and Efficient Wi-Fi Fingerprinting-based Indoor Positioning in Large Areas
Proceedings of the 2022 IEEE 96th Vehicular Technology Conference: (VTC2022-Fall) ,
2022.
Others
Montoliu, R.; Perez-Navarro, A.; Torres-Sospedra, J.;
Efficient tuning of kNN hyperparameters for indoor positioning with N-TBEA
Proceedings of the Twelfth International Conference on Indoor Positioning and Indoor Navigation,
2022.
Core C
Quezada-Gaibor, D.; Torres-Sospedra, J.; Nurmi, J.; Koucheryavy, Y.; Huerta, J.;
SURIMI: Supervised Radio Map Augmentation with Deep Learning and a Generative Adversarial Network for Fingerprint-based Indoor Positioning
Proceedings of the Twelfth International Conference on Indoor Positioning and Indoor Navigation,
2022.
Core C
Bravenec, T.; Torres-Sospedra, J.; Gould, M.; Fryza, T.;
What Your Wearable Devices Revealed About You and Possibilities of Non-Cooperative 802.11 Presence Detection During Your Last IPIN Visit
Proceedings of the Twelfth International Conference on Indoor Positioning and Indoor Navigation,
2022.
Others
Bravenec, T.; Torres-Sospedra, J.; Gould, M.; Fryza, T.;
Exploration of User Privacy in 802.11 Probe Requests with MAC Address Randomization Using Temporal Pattern Analysis
Proceedings of the 17th International Conference on Location Based Services (LBS),
2022.
Core B
Pascacio, P.; Torres-Sospedra, J.; Casteleyn, S.; Lohan, E.S.;
A Collaborative Approach Using Neural Network for BLE-RSS Lateration-Based Indoor Positioning
Proceedings of the 2022 International Joint Conference on Neural Networks (IJCNN) co-located at the IEEE World Congress on Computational Intelligence 2022 (WCCI 2022) ,
2022.
Core B
Quezada-Gaibor, D.; Klus, Lucie; Torres-Sospedra, J.; Lohan, E.S.; Nurmi J.; Granell, C. and Huerta J.;
Data Cleansing for Indoor Positioning Wi-Fi Fingerprinting Datasets
Proceedings of the 23rd IEEE International Conference on Mobile Data Management (MDM) ,
2022.
Others
Klus, Lucie; Quezada-Gaibor, D.; Torres-Sospedra, J.; Lohan, E.S.; Granell, C. and Nurmi J.;
Towards Accelerated Localization Performance Across Indoor Positioning Datasets
Proceedings of the 2022 International Conference on Localization and GNSS (ICL-GNSS) ,
2022.
Others
Quezada-Gaibor, D.; Torres-Sospedra, J.; Nurmi, J.; Koucheryavy, Y.; Huerta, J.;
Lightweight Hybrid CNN-ELM Model for Multi-building and Multi-floor Classification
Proceedings of the 2022 International Conference on Localization and GNSS (ICL-GNSS) ,
2022.
Others
Torres-Sospedra, J.; Aernouts, M.; Moreira, A.; Berkvens, R.;
LoRaWAN Fingerprinting with K-Means: the Relevance of Clusters Visual
Inspection
in ICL-GNSS 2022 WiP Proceedings co-located with 12th International
Conference on Localization and GNSS (2022),
2022.
link
2021
Core B
Pascacio, P.; Torres-Sospedra, J.; Casteleyn, S.
A Lateration Method based on Effective Combinatorial Beacon Selection for Bluetooth Low Energy Indoor Positioning
Proceedings of the 17th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob) ,
2021.
Core C
Rodriguez-Martinez, C.; Torres-Sospedra, J.;
Revisiting the Analysis of Hyperparameters in k-NN for Wi-Fi and BLE Fingerprinting: Current Status and General Results
Proceedings of the Eleventh International Conference on Indoor Positioning and Indoor Navigation,
2021.
Core C
Silva, I.; Pendão, C.; Torres-Sospedra, J.; Moreira, A.;
Quantifying the Degradation of Radio Maps in Wi-Fi Fingerprinting
Proceedings of the Eleventh International Conference on Indoor Positioning and Indoor Navigation,
2021.
Core C
Pendão, C.; Silva, I.; Moreira, A.; Torres-Sospedra, J.;
Dioptra – A Data Generation Application for Indoor Positioning Systems
Proceedings of the Eleventh International Conference on Indoor Positioning and Indoor Navigation,
2021.
Core C
Bellavista-Parent, V.; Torres-Sospedra, J.; Perez-Navarro, A.;
New trends in indoor positioning based on WiFi and machine learning: A systematic review
Proceedings of the Eleventh International Conference on Indoor Positioning and Indoor Navigation,
2021.
Core C
Quezada-Gaibor, D.; Torres-Sospedra, J.; Nurmi, J.; Koucheryavy, Y.; Huerta, J.;
Lightweight Wi-Fi Fingerprinting with a Novel RSS Clustering Algorithm
Proceedings of the Eleventh International Conference on Indoor Positioning and Indoor Navigation,
2021.
Core C
de Brouwer, R.; Torres-Sospedra, J.; Trilles, S.; Berkvens, R.;
Optimal Receivers Location for Passive Indoor Positioning based on BLE
WiP Proceedings of the Eleventh International Conference on Indoor Positioning and Indoor Navigation,
2021.
paper
Core C
Aranda-Polo, F. J.; Parralejo, F.; Aguilera, T.; Benítez, Álvarez-Franco, F. J.; Torres-Sospedra, J.;
Finding Optimal BLE Configuration for Indoor Positioning with Consumption Restrictions
Proceedings of the Eleventh International Conference on Indoor Positioning and Indoor Navigation,
2021.
Core C
Klus, R.; Klus, L.; Talvitie, J.; Pihlajasalo, J.; Torres-Sospedra, J.; Valkama, M.;
Transfer Learning for Convolutional Indoor Positioning Systems
Proceedings of the Eleventh International Conference on Indoor Positioning and Indoor Navigation,
2021.
Core C
Torres-Sospedra, J.; Silva, I.; Klus, L.; Quezada-Gaibor, D.; Crivello, A.; Barsocchi, P.; Pendão, C.; Lohan, S.; Nurmi, J.; Moreira, A.;
Towards Ubiquitous Indoor Positioning: Comparing Systems across Heterogeneous Datasets
Proceedings of the Eleventh International Conference on Indoor Positioning and Indoor Navigation,
2021.
Core C
Jurado, E.; Trilles, S.; Perez-Navarro, A.; Torres-Sospedra, J.;
A low-cost control occupancy solution using a Time-of-Flight ranging sensor laser
WiP Proceedings of the Eleventh International Conference on Indoor Positioning and Indoor Navigation,
2021.
paper
Core C
Jimenez, A.; Miranda, I.; García, J. J.; Torres-Sospedra, J.; Lluva-Plaza, S.; Gualda-Gómez, D.;
Affinity Propagation Clustering for Older Adults Daily Routine Estimation
Proceedings of the Eleventh International Conference on Indoor Positioning and Indoor Navigation,
2021.
Core B
Casanova-Marques, R.; Pascacio, P.; Hajny, J.; Torres-Sospedra, J.
Anonymous Attribute-based Credentials in Collaborative Indoor Positioning Systems
Proceedings of the 18th International Conference on Security and Cryptography - SECRYPT, ISBN 978-989-758-524-1, pages 791-797,
2021.
Others
Pascacio, P.; Casteleyn, S.; Torres-Sospedra, J.
Smartphone Distance Estimation Based on RSSI-Fuzzy Classification Approach
Proceedings of the 2021 International Conference on Localization and GNSS (ICL-GNSS),
2021.
Core B
Torres-Sospedra, J.; Aranda, F.J.; Álvarez, F.J.; Quezada-Gaibor, D.; Silva, I.; Pendão, C.; Moreira, A.
Ensembling Multiple Radio Maps with Dynamic Noise in Fingerprint-based Indoor Positioning
Proceedings of the 2021 IEEE 93rd Vehicular Technology Conference (VTC2021-Spring),
2021.
Core B
Mendoza-Silva G.M.; Torres-Sospedra, J.; Huerta, J.
Local-level Analysis of Positioning Errors in Wi-Fi Fingerprinting
Proceedings of the 2021 IEEE 93rd Vehicular Technology Conference (VTC2021-Spring),
2021.
2020
Others
Quezada-Gaibor, D.; Klus, Lucie; Torres-Sospedra, J.; Lohan, E.S.; Nurmi J. and Huerta, J.
Improving DBSCAN for Indoor Positioning Using Wi-Fi Radio Maps in Wearable and IoT Devices
Proceedings of the Twelfth International Congress on Ultra Modern Telecommunications and Control Systems (ICUMT),
2020.
ICUMT - Best Student Paper Award
Others
Klus, Lucie; Quezada-Gaibor, D.; Torres-Sospedra, J.; Lohan, E.S.; Granell, C. and Nurmi J.
RSS Fingerprinting Dataset Size Reduction Using Feature-Wise Adaptive k-Means Clustering
Proceedings of the Twelfth International Congress on Ultra Modern Telecommunications and Control Systems (ICUMT),
2020.
Others
Torres-Sospedra, J.; Quezada-Gaibor, D.; Mendoza-Silva, G. M.; Nurmi, J.; Koucheryavy, Y. and Huerta, J.
New Cluster Selection and Fine-grained Search for k-Means Clustering and Wi-Fi Fingerprinting
Proceedings of the Tenth International Conference on Localization and GNSS (ICL-GNSS),
2020.
Others
Holcer, S.; Torres-Sospedra, J.; Gould, M. and Remolar, I.
Privacy in Indoor Positioning Systems: A Systematic Review
Proceedings of the Tenth International Conference on Localization and GNSS (ICL-GNSS),
2020.
Others
Karmacharya, A.; Mendoza Silva, G. M. and Torres-Sospedra, J.
Sensor Fusion and Well Condition Triangle Approach for BLE-based Indoor Positioning
WiP Proceedings of the Tenth International Conference on Localization and GNSS (ICL-GNSS),
2020.
link
Others
Abdlamajud Qafisheh, M. W.; Martín Furones, A. and Torres-Sospedra, J.
Support Vector Regression Machine Learning Tool to Predict GNSS Clock Corrections in Real-Time PPP Technique
WiP Proceedings of the Tenth International Conference on Localization and GNSS (ICL-GNSS),
2020.
link
2019
Others
Jiménez-Ruiz, A. R.; Seco, F.; and Torres-Sospedra, J.
Tools for smartphone multi-sensor data registration and GT mapping for positioning applications
Proceedings of the Tenth International Conference on Indoor Positioning and Indoor Navigation,
2019.
Others
Li, K.-L.; Zlatanova, S.; Torres-Sospedra, J.; Perez-Navarro, A.; Laoudias, C.; and Moreira, A.
Survey on Indoor Map Standards and Formats
Proceedings of the Tenth International Conference on Indoor Positioning and Indoor Navigation,
2019.
Others
Rojo, J.; Mendoza-Silva, G. M.; Ristow, G.; Laiapea, J.; Parrello, G.; Simó, A.; Stupin, L.; Minican, D.; Farrés, M.; Corvalán, C.; Unger, F.; Marín-López, S.; Soteras, I.; Castejón-Bravo, D.; and Torres-Sospedra, J.
Machine Learning applied to Wi-Fi fingerprinting: The experiences of the Ubiqum Challenge
Proceedings of the Tenth International Conference on Indoor Positioning and Indoor Navigation,
2019.
Others
Torres-Sospedra, J.; Moreira, A.; Mendoza-Silva, G. M.; Nicolau, M. J.; Matey-Sanz, M.; Silva, I.; Huerta, J.; and Pendão, C.
Exploiting Different Combinations of Complementary Sensor's data for Fingerprint-based Indoor Positioning in Industrial Environments
Proceedings of the Tenth International Conference on Indoor Positioning and Indoor Navigation,
2019.
Others
Palinggi, D. A.; Ramos, F.; Torres-Sospedra, J.; Trilles, S.; and Huerta, J.
Using Weather Condition and Advanced Machine Learning Methods to Predict Soccer Outcome
Accepted Short Papers and Posters from the 22nd AGILE Conference on Geo-information Science. Cyprus University of Technology 17-20 June 2019, Limassol, Cyprus. ISBN 978-90-816960-9-8, Publisher: Stichting AGILE,
2019.
link
2018
Others
Torres-Sospedra, J.; Richter, P.; Mendoza-Silva, G.M.; Lohan, E.S.; and Huerta, J.
Characterising the Alteration in the AP Distribution with the RSS Distance and the Position Estimates
Proceedings of the Ninth International Conference on Indoor Positioning and Indoor Navigation,
2018.
Others
Perez-Navarro, A.; Montoliu, R.; Torres-Sospedra, J.; and Conesa, J.
Magnetic field as a characterization of wide and narrow spaces in a real challenging scenario using Dynamic Time Warping
Proceedings of the Ninth International Conference on Indoor Positioning and Indoor Navigation,
2018.
Others
Montoliu, R.; Belmonte, O.; Sansano, E.; and Torres-Sospedra, J.
A new methodology for long-term maintenance of WiFi fingerprinting radio maps
Proceedings of the Ninth International Conference on Indoor Positioning and Indoor Navigation,
2018.
Others
Mendoza-Silva, G. M.; Torres-Sospedra, J.; & Huerta, J.
Locations Selection for Periodic Radio Map Update in WiFi Fingerprinting
Proceedings of the Fourteenth Conference on Location Based Services,
2018.
2017
Others
Santa, F.;, Henriques, R.;, Torres-Sospedra, J.; and Pebesma, E.
Spatio–temporal point patterns analysis of geolocated tweets to characterise urban dynamics
Spatial Statistics 2017 - One World: One Health,
2017. [Abstract]
Others
Montoliu, R.;, Sansano, E.;, Torres-Sospedra, J.; and Belmonte, O.
IndoorLoc Platform: A Public Repository for Comparing and Evaluating Indoor Positioning Systems
Proceedings of the Eighth International Conference on Indoor Positioning and Indoor Navigation,
2017. [Candidate IPIN 2017 best paper]
Others
Sansano, E.;, Montoliu, R.; and Torres-Sospedra, J.
A Novel Methodology to Estimate a Measurement of the Inherent Difficulty of an Indoor Localization Radio Map
Proceedings of the Eighth International Conference on Indoor Positioning and Indoor Navigation,
2017.
Others
Moreira, A.; Silva, I.; Meneses, F.; Nicolau, M.J.; Pendão, C.; Torres-Sospedra, J.
Multiple simultaneous Wi-Fi measurements in fingerprinting indoor positioning
Proceedings of the Eighth International Conference on Indoor Positioning and Indoor Navigation,
2017.
Others
Mendoza-Silva, G.M.;, Torres-Sospedra, J.; and Huerta, J.
A More Realistic Error Distance Calculation for WiFi
Indoor Positioning Systems Accuracy Evaluation
Proceedings of the Eighth International Conference on Indoor Positioning and Indoor Navigation,
2017.
2016
Others
Mendoza-Silva, G. M.; Rodriguez-Pupo, L. E.; Torres-Sospedra, J.; Huerta, J.
Solutions for signal mapping campaigns of Wi-Fi networks
Proceedings of the VII Jornadas Ibéricas de Infraestructuras de Datos Espaciales,
2016.
Others
Mendoza-Silva, G. M.; Torres-Sospedra, J.; Huerta, J.; Montoliu, R.; Benitez, F.; & Belmonte, O.
Situation Goodness Method for Weighted Centroid-based Wi-Fi APs Localization
Proceedings of the Thirdteenth Conference on Location Based Services,
2016.
Others Montoliu, R., Torres-Sospedra, J.; & Belmonte, O. Magnetic Field based Indoor Positioning Using the Bag of Words Paradigm Proceedings of the Seventh International Conference on Indoor Positioning and Indoor Navigation, 2016.
Others Torres-Sospedra, J.; Mendoza-Silva, G. M.; Montoliu, R.; Belmonte, O.; Benitez, F.; & Huerta, J. Ensembles of Indoor Positioning Systems Based on Fingerprinting: Simplifying Parameter Selection and Obtaining Robust Systems Proceedings of the Seventh International Conference on Indoor Positioning and Indoor Navigation, 2016.
Others Torres-Sospedra, J.; Belmonte, O.; Montoliu, R.; Trilles, S. & Calia, A., How feasible is WiFi fingerprint-based indoor positioning for in-home monitoring? Proceedings of the 12th International Conference on Intelligent Environment, 2016.
2015
Workshops Torres-Sospedra, J.; Ana Sanchís, A.; Mauri Benedito-Bordonau, M.; Gould, M. & Huerta, J. SmartUJI: A Platform for SmartCampus Applications Proceedings of the Second Smart University Workshop, 2015.
Others Potortì, F.; Barsocchi, P.; Girolami, M.; Torres-Sospedra, J. & Montoliu, R. Evaluating Indoor Localization Solutions in Large Environments Through Competitive Benchmarking: The EvAAL-ETRI Competition Proceedings of the Sixth Conference on Indoor Positioning and Indoor Navigation, 2015.
Others Torres-Sospedra, J.; Rambla, D.; Montoliu, R.; Belmonte, O. & Huerta, J. UJIIndoorLoc-Mag: A New Database for Magnetic Field-Based Localization Problems Proceedings of the Sixth Conference on Indoor Positioning and Indoor Navigation, 2015.
2014
Others Garcia-Martí, I.; Torres-Sospedra, J.; Rodriguez-Pupo, L. E. & Huerta, J. A comparative study on VGI and professional noise data In proceedings of the 17th AGILE Conference on Geographic Information Science, 2014.
Workshops Marcos, M.; Torres-Sospedra, J. & Martínez-Salvador, B. Assessment of Clinical Guideline Models Based on Metrics for Business Process Models Proceedings of the 6th International Workshop on Knowledge Representation for Health Care, Lecture Notes in Artificial Intelligence, Vol. 8903, pp. 111-120, 2014.
Others Torres-Sospedra, J.; Montoliu, R.; Martínez-Usó, A.; Avariento, J. P.; Arnau, T. J.; Benedito-Bordonau, M. & Huerta, J. UJIIndoorLoc: A New Multi-building and Multi-floor Database for WLAN Fingerprint-based Indoor Localization Problems Proceedings of the Fifth Conference on Indoor Positioning and Indoor Navigation, pp. 261-270, 2014.
2012
Others Nebot, P.; Torres-Sospedra, J. & Recatala, G. Using Neural Networks for Maintenance Tasks in Agriculture: Precise Weed Detection Proceedings of the International Conference of Agricultural Engineering CIGR-Ageng 2012, 2012.
2011
Others A Case Study on Agriture: Distributed HLA-Based Architecture for Agricultural Robotics Nebot, P.; Torres-Sospedra, J. & Martínez, R. Proceedings of the International Symposium on Distributed Computing and Artificial Intelligence. Advances in Intelligent and Soft Computing, Vol. 91, pp. 353-360, 2011.
Others Torres-Sospedra, J. & Nebot, P. Visual Outdoor Path Planner for Orange Groves Based on Ensembles of Neural Networks Proceedings of the 8th International Conference on Informatics in Control, Automation and Robotics, Vol. 2, pp. 223-228, 2011.
Core A Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Improving Boosting Methods by Generating Specific Training and Validation Sets Proceedings of the International Conference on Neural Information Processing, Part II. Lecture Notes in Computer Science, Vol. 7063, pp. 580-587, 2011.
Core A Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Using Bagging and Cross-Validation to improve ensembles based on Penalty terms Proceedings of the International Conference on Neural Information Processing, Part II. Lecture Notes in Computer Science, Vol. 7063, pp. 588-595, 2011.
Core A Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Introducing reordering algorithms to classic well-known ensembles to improve their performance Proceedings of the International Conference on Neural Information Processing, Part II. Lecture Notes in Computer Science, Vol. 7063, pp. 572-579, 2011.
2008
Workshops Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Decision Fusion on Boosting Ensembles Artificial Neural Networks in Pattern Recognition. Third IAPR Workshop, ANNPR 2008 Paris, France, July 2-4, 2008 Proceedings Lecture Notes in Artificial Intelligence, Vol. 5064, pp. 157-167, 2008.
Workshops Fernández-Redondo, M.; Torres-Sospedra, J. & Hernández-Espinosa, C. The Mixture of Neural Networks as Ensemble Combiner Artificial Neural Networks in Pattern Recognition. Third IAPR Workshop, ANNPR 2008 Paris, France, July 2-4, 2008 Proceedings Lecture Notes in Artificial Intelligence, Vol. 5064, pp. 168-179, 2008.
Workshops Hernández-Espinosa, C.; Torres-Sospedra, J. & Fernández-Redondo, M. Researching on Multi-net systems based on Stacked Generalization Artificial Neural Networks in Pattern Recognition. Third IAPR Workshop, ANNPR 2008 Paris, France, July 2-4, 2008 Proceedings Lecture Notes in Artificial Intelligence, Vol. 5064, pp. 193-204, 2008.
Core B Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. New Results on Combination Methods for Boosting Ensembles Artificial Neural Networks - ICANN 2008 , 18th International Conference, Prague, Czech Republic, September 3-6, 2008, Proceedings Lecture Notes in Computer Science, Vol. 5163, pp. 285-294, 2008.
Core B Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Adding Diversity in Ensembles of Neural Networks by Reordering the Training Set Artificial Neural Networks - ICANN 2008 , 18th International Conference, Prague, Czech Republic, September 3-6, 2008, Proceedings Lecture Notes in Computer Science, Vol. 5163, pp. 275-284, 2008.
Core A Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Researching on Combining Boosting Ensembles Proceedings of International Joint Conference on Neural Networks, IJCNN 2008, Hong Kong, pp. 2291-2296, 2008.
2007
Core B Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Averaged Conservative Boosting: Introducing a New Method to Build Ensembles of Neural Networks Artificial Neural Networks - ICANN 2007. 17th International Conference, Porto, Portugal, September 9-13, 2007, Proceedings, Part I Lecture Notes in Computer Science, Vol. 4668, pp. 309-318, 2007.
Core B Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Stacking MF Networks to Combine the Outputs Provided by RBF Networks Artificial Neural Networks - ICANN 2007. 17th International Conference, Porto, Portugal, September 9-13, 2007, Proceedings, Part I Lecture Notes in Computer Science, Vol. 4668, pp. 450-459, 2007.
Core A Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Mixing Aveboost and Conserboost to Improve Boosting Methods Proceedings of International Joint Conference on Neural Networks, IJCNN 2007, Orlando, USA, pp. 672-677, 2007.
Core A Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Designing a Multilayer Feedforward Ensemble with the Weighted Conservative Boosting Algorithm Proceedings of International Joint Conference on Neural Networks, IJCNN 2007, Orlando, USA, pp. 684-689, 2007.
Core B Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Improving Adaptive Boosting with a Relaxed Equation to Update the Sampling Distribution Computational and Ambient Intelligence. Lecture Notes in Computer Science, Vol. 4507, pp. 119-126, 2007.
2006
Workshops Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. An Experimental Study on Training Radial Basis Functions by Gradient Descent Artificial Neural Networks in Pattern Recognition. Second IAPR Workshop, ANNPR 2006, Ulm, Germany, August 31-September 2, 2006. Proceedings Lecture Notes in Artificial Intelligence, Vol. 4087, pp. 81-92, 2006.
Workshops Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Combining MF Networks: A Comparison Among Statistical Methods and Stacked Generalization Artificial Neural Networks in Pattern Recognition. Second IAPR Workshop, ANNPR 2006, Ulm, Germany, August 31-September 2, 2006. Proceedings Lecture Notes in in Artificial Intelligence, Vol. 4087, pp. 210-220, 2006.
Core B Fernández-Redondo, M.; Torres-Sospedra, J. & Hernández-Espinosa, C. Improving the Expert Networks of a Modular Multi-Net System for Pattern Recognition Artificial Neural Networks - ICANN 2006. 16th International Conference, Athens, Greece, September 10-14, 2006. Proceedings, Part I Lecture Notes in Computer Science, Vol. 4131, pp. 293-302, 2006.
Others Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Improving Adaptive Boosting with k-Cross-Fold Validation Intelligent Computing. International Conference on Intelligent Computing, ICIC 2006, Kunming, China, August 16-19, 2006. Proceedings, Part I Lecture Notes in Computer Science, Vol. 4113, pp. 397-402, 2006.
Others Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. The Mixture of Neural Networks Adapted to Multilayer Feedforward Architecture Intelligent Computing. International Conference on Intelligent Computing, ICIC 2006, Kunming, China, August 16-19, 2006. Proceedings, Part I Lecture Notes in Computer Science, Vol. 4113, pp. 488-493, 2006.
Others Fernández-Redondo, M.; Torres-Sospedra, J. & Hernández-Espinosa, C. Gradient Descent and Radial Basis Functions Intelligent Computing. International Conference on Intelligent Computing, ICIC 2006, Kunming, China, August 16-19, 2006. Proceedings, Part I Lecture Notes in Computer Science, Vol. 4113, pp. 391-396, 2006.
Others Hernández-Espinosa, C.; Torres-Sospedra, J. & Fernández-Redondo, M. Improving the Combination Module with a Neural Network Intelligent Computing. International Conference on Intelligent Computing, ICIC 2006, Kunming, China, August 16-19, 2006. Proceedings, Part I Lecture Notes in Computer Science, Vol. 4113, pp. 146-155, 2006.
Core A Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Adaptive Boosting: Dividing the Learning Set to Increase the Diversity and Performance of the Ensemble Neural Information Processing. 13th International Conference, ICONIP 2006, Hong Kong, China, October 3-6, 2006, Proceedings, Part I Lecture Notes in Computer Science, Vol. 4232, pp. 688-697, 2006.
Core A Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Mixture of Neural Networks: Some Experiments with the Multilayer Feedforward Architecture Neural Information Processing. 13th International Conference, ICONIP 2006, Hong Kong, China, October 3-6, 2006, Proceedings, Part I Lecture Notes in Computer Science, Vol. 4232, pp. 616-625, 2006.
Core A Fernández-Redondo, M.; Torres-Sospedra, J. & Hernández-Espinosa, C. Training RBFs Networks: A Comparison among Supervised and not Supervised Algorithms Neural Information Processing. 13th International Conference, ICONIP 2006, Hong Kong, China, October 3-6, 2006, Proceedings, Part I Lecture Notes in Computer Science, Vol. 4232, pp. 477-486, 2006.
Core A Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Designing a Multilayer Feedforward Ensembles with Cross Validated Boosting Algorithm Proceedings of International Joint Conference on Neural Networks, IJCNN 2006, Vancouver, Canada, pp. 2257-2262, 2006.
Core A Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Designing a New Multilayer Feedforward Modular Network for Classification Problems Proceedings of International Joint Conference on Neural Networks, IJCNN 2006, Vancouver, Canada, pp. 2263-2268, 2006.
Core A Fernández-Redondo, M.; Torres-Sospedra, J. & Hernández-Espinosa, C. Training Radial Basis Functions by Gradient Descent Proceedings of International Joint Conference on Neural Networks, IJCNN 2006, Vancouver, Canada, pp. 1735-1741, 2006.
2005
Others Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Combinación de Conjuntos de Redes Multilayer Feedforward Actas del Simposio de Inteligencia Computacional, SICO2005, pp. 11-18, 2005.
Others Fernández-Redondo, M.; Torres-Sospedra, J. & Hernández-Espinosa, C. Combinación de Conjuntos de Redes Radial Basis Functions Actas del Simposio de Inteligencia Computacional, SICO2005, pp. 515-520, 2005.
Others Hernández-Espinosa, C.; Fernández-Redondo, M. & Torres-Sospedra, J. Nuevos experimentos sobre Conjuntos de RNAs. Actas del Simposio de Inteligencia Computacional, SICO2005, pp. 19-25, 2005.
Core B Torres-Sospedra, J.; Fernández-Redondo, M. & Hernández-Espinosa, C. Combination Methods for Ensembles of MF. Artificial Neural Networks: Formal Models and Their Applications - ICANN 2005, 15th International Conference, Warsaw, Poland, September 11-15, 2005, Proceedings, Part II Lecture Notes in Computer Science, Vol. 3697, pp. 133-138, 2005.
Core B Hernández-Espinosa, C.; Torres-Sospedra, J. & Fernández-Redondo, M. Combination Methods for Ensembles of RBFs. Artificial Neural Networks: Formal Models and Their Applications - ICANN 2005, 15th International Conference, Warsaw, Poland, September 11-15, 2005, Proceedings, Part II Lecture Notes in Computer Science, Vol. 3697, pp. 121-126, 2005.
Core B Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. New Results on Ensembles of Multilayer Feedforward. Artificial Neural Networks: Formal Models and Their Applications - ICANN 2005, 15th International Conference, Warsaw, Poland, September 11-15, 2005, Proceedings, Part II Lecture Notes in Computer Science, Vol. 3697, pp. 139-144, 2005.
Core A Torres-Sospedra, J.; Fernández-Redondo, M. & Hernández-Espinosa, C. A Research on Combination Methods for Ensembles of Multilayer Feedforward Proceedings of International Joint Conference on Neural Networks, IJCNN 2005, Montreal, Canada Lecture Notes in Computer Science Vol. 2, pp. 1125-1130, 2005.
Core A Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernandez-Redondo, M. A Comparison of Combination Methods for Ensembles of RBF Networks Proceedings of International Joint Conference on Neural Networks, IJCNN 2005, Montreal, Canada Lecture Notes in Computer Science Vol. 2, pp. 1137-1141, 2005.
Core A Hernández-Espinosa, C.; Torres-Sospedra, J. & Fernández-Redondo, M. New Experiments on Ensembles of Multilayer Feedforward for Classification Problems Proceedings of International Joint Conference on Neural Networks, IJCNN 2005, Montreal, Canada Lecture Notes in Computer Science Vol. 2, pp. 1120-1124, 2005.
Core B Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Ensembles of Multilayer Feedforward: Some New Results. Computational Intelligence and Bioinspired Systems, 8th International Work-Conference on Artificial Neural Networks, IWANN 2005, Vilanova i la Geltrú, Barcelona, Spain, June 8-10, 2005, Proceedings Lecture Notes in Computer Science, Vol. 3512, pp. 604-611, 2005.
Others Torres-Sospedra, J.; Fernández-Redondo, M. & Hernández-Espinosa, C. Combination Methods for Ensembles of Multilayer Feedforward Proceedings of 6th WSEAS International Conference on Neural Networks, pp. 146-151, 2005.
Others Hernández-Espinosa, C.; Torres-Sospedra, J. & Fernández-Redondo, M. Combination Methods for Ensembles of RBF Networks Proceedings of 6th WSEAS International Conference on Neural Networks, pp. 140-145, 2005.
Others Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Ensembles of Multilayer Feedforward: A New Comparison Proceedings of 6th WSEAS International Conference on Neural Networks, pp. 152-157, 2005.
2004
Core C Hernández-Espinosa, C.; Fernández-Redondo, M. & Torres-Sospedra, J. Experiments on Ensembles of Radial Basis Functions. Artificial Intelligence and Soft Computing - ICAISC 2004, 7th International Conference, Zakopane, Poland, June 7-11, 2004, Proceedings Lecture Notes in Computer Science, Vol. 3070, pp. 197-202, 2004.
Core C Fernández-Redondo, M.; Hernández-Espinosa, C.; Ortiz-Gómez, M. & Torres-Sospedra, J. Training Radial Basis Functions by Gradient Descent. Artificial Intelligence and Soft Computing - ICAISC 2004, 7th International Conference, Zakopane, Poland, June 7-11, 2004, Proceedings Lecture Notes in Computer Science, Vol. 3070, pp. 184-189, 2004.
Core A Fernández-Redondo, M.; Hernández-Espinosa, C. & Torres-Sospedra, J. Multilayer Feedforward Ensembles for Classification Problems. Neural Information Processing, 11th International Conference, ICONIP 2004, Calcutta, India, November 22-25, 2004, Proceedings Lecture Notes in Computer Science, Vol. 3316, pp. 744-749, 2004.
Core A Fernández-Redondo, M.; Hernández-Espinosa, C.; Ortiz-Gómez, M. & Torres-Sospedra, J. Some Experiments on Training Radial Basis Functions by Gradient Descent. Neural Information Processing: 11th International Conference, ICONIP 2004, Calcutta, India, November 22-25, 2004. Proceedings. Lecture Notes in Computer Science, Vol. 3316, pp. 428-433, 2004.
Core A Fernández-Redondo, M.; Hernández-Espinosa, C. & Torres-Sospedra, J. Hyperspectral Image Classification by Ensembles of Multilayer Feedforward Networks Proceedings of the International Joint Conference on Neural Networks, IJCNN 2004, Budapest, Hungary Vol. 2, pp. 1145 - 1149, 2004.
Core C Fernández-Redondo, M.; Hernández-Espinosa, C. & Torres-Sospedra, J. Classification by Multilayer Feedforward Ensembles. Advances in Neural Networks - ISNN 2004, International Symposium on Neural Networks, Dalian, China, August 19-21, 2004, Proceedings, Part I. Lecture Notes in Computer Science, Vol. 3173, pp. 852-857, 2004.
Core C Hernández-Espinosa, C.; Fernández-Redondo, M. & Torres-Sospedra, J. Some Experiments with Ensembles of Neural Networks for Classification of Hyperspectral Images. Advances in Neural Networks - ISNN 2004, International Symposium on Neural Networks, Dalian, China, August 19-21, 2004, Proceedings, Part I Lecture Notes in Computer Science, Vol. 3173, pp. 912-917, 2004.
Core C Hernández-Espinosa, C.; Fernández-Redondo, M. & Torres-Sospedra, J. Ensembles of RBFs Trained by Gradient Descent. Advances in Neural Networks - ISNN 2004, International Symposium on Neural Networks, Dalian, China, August 19-21, 2004, Proceedings, Part I Lecture Notes in Computer Science, Vol. 3173, pp. 223-228, 2004.
Core C Fernández-Redondo, M.; Hernández-Espinosa, C.; Ortiz-Gómez, M. & Torres-Sospedra, J. Gradient Descent Training of Radial Basis Functions. Advances in Neural Networks - ISNN 2004, International Symposium on Neural Networks, Dalian, China, August 19-21, 2004, Proceedings, Part I Lecture Notes in Computer Science, Vol. 3173, pp. 229-234, 2004.
Core B Hernández-Espinosa, C.; Fernández-Redondo, M. & Torres-Sospedra, J. Some Experiments on Ensembles of Neural Networks for Hyperspectral Image Classification. Knowledge-Based Intelligent Information and Engineering Systems, 8th International Conference, KES 2004, Wellington, New Zealand, September 20-25, 2004. Proceedings. Part I Lecture Notes in Computer Science, Vol. 3213, pp. 677-684, 2004.
Workshops Hernández-Espinosa, C.; Fernández-Redondo, M. & Torres-Sospedra, J. First Experiments on Ensembles of Radial Basis Functions. Multiple Classifier Systems. 5th International Workshop, MCS 2004, Cagliari, Italy, June 9-11, 2004. Proceedings Lecture Notes in Computer Science, Vol. 3077, pp. 253-262, 2004.
2026
Santamaria-Pedrón, J. C.; Reaño, C.; Torres-Sospedra, J.
Lightweight Convolutional Autoencoder for Unsupervised NLOS Identification in UWB Positioning
Proceedings of the 2026 IEEE International Instrumentation and Measurement Technology Conference (I2MTC),
2026.
Presented at I2MTC 2026.
Martín-Frechina, S.; Martinez, E.; Torres-Sospedra, J.
Advancing BLE Angle-of-Arrival Estimation with Deep Learning
Proceedings of the 2026 IEEE International Instrumentation and Measurement Technology Conference (I2MTC),
2026.
Presented at I2MTC 2026.
Bellavista-Parent, V.; Garcia-Lozano, M.; Perez-Navarro, A.; Torres-Sospedra, J.
Open Real-World Dataset and Evaluation of TOA Multilateration and RSRP Fingerprinting for 5G NR Indoor Localization
Proceedings of the 2026 IEEE International Instrumentation and Measurement Technology Conference (I2MTC),
2026.
Presented at I2MTC 2026.
Ramires, M.; Torres-Sospedra, J.; Navarro Camba, E.; Meneses, F.; Moreira, A.
Open challenges in BLE-based Direction-of-Arrival estimation
Proceedings of the IEEE International Conference on Communications: IoT & Sensor Networks (ICC 2026),
2026.
Presented at ICC 2026.
2025
Díaz Jiménez, D.; López Ruiz, J. L.; Torres-Sospedra, J.; Matey-Sanz, M.; Espinilla Estévez, M.
Smart Sensing Framework: A Custom Beacon Architecture for Mobile Data Logging
Proceedings of the 17th International Conference on Ubiquitous Computing & Ambient Intelligence (UCAmI 2025),
2025.
Presented at UCAMI 2025.
Matey-Sanz, M.; Claver, J. M.; Martinez, E.; Felici-Castell, S.; Montoliu, R.; Pérez-Navarro, A.; Perez, J. J.; Soriano, A.; Trilles, S.; Torres-Sospedra, J.
Fingerprinting with Fine Time Measurements: from RSS to RTT
Proceedings of the 17th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops,
2025.
Accpeted, to be presented at ICUMT 2025.
Serrano, T.; and Torres-Sospedra, J.
Enhanced Radio Map for Wi-Fi Fingerprinting Using PDR and Particle Filter
Proceedings of 2025 IEEE SENSORS,
2025.
Accpeted, to be presented at IEEE SENSORS 2025.
Ramires, M. Aranda, F. J., Torres-Sospedra, J., Moreira, A., Meneses, F.
Enhancing Direction-of-Arrival Estimation via Sliding Window and Filtering of Phase-Differences
Proceedings of the 2025 International Conference on Localization and GNSS (ICL-GNSS),
2025.
Quezada-Gaibor, D.; Matey-Sanz, M.; Huerta, J.; and Torres-Sospedra, J.;/span>
Modular Fingerprinting and Deep Learning: A New Training Approach
Proceedings of the 3rd International IEEE Applied Sensing Conference (APSCON),
2025.
APSCON2025 - Best Paper Award (Runner Up)
2024
Din, T. C.; Matey-Sanz, M.; Bautista; A.; Trilles, S.; and Torres-Sospedra, J.
Feasibility Analysis of Self-Oriented BLE Anchors Powered by NEMA Motors for DoA-based Indoor Positioning
Proceedings of the 16th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops(ICUMT),
2024.
Valero-Abundio, C.; Montoliu, R.; Martínez-García, M.; Sansano-Sansano, E.; Torres-Sospedra, J.; and Pérez-Navarro, A.
Error Bound Estimation for Fingerprinting-Based Indoor Positioning Systems Using Monte Carlo Simulations
Proceedings of the 16th International Congress on Ultra Modern Telecommunications and Control Systems (ICUMT),
2024.
Accepted in press!
Valero-Abundio, C.; Montoliu, R.; Martínez-García, M.; Sansano-Sansano, E.; Torres-Sospedra, J.; and Pérez-Navarro, A.
Using ellipses to improve the estimation of the error bound on indoor positioning problems
4th International Symposium on Sensing and Instrumentation in IoT Era (ISSI-IOT),
2024.
ISSI-IOT2024 - Best Student Paper Award
Royet, L.; Torres-Sospedra, J.; Montoliu, R.; and Pérez-Navarro, A.
Analysis of the origin of differences in position among different fingerprinting datasets
4th International Symposium on Sensing and Instrumentation in IoT Era (ISSI-IOT),
2024.
Torres-Sospedra, J.; Silva, I.; Pendão, C.; Meneses, F.; and Moreira, A.
Hyperparameterless k-NN for Wi-Fi Fingerprinting
2024 International Conference on Localization and GNSS (ICL-GNSS),
2024.
2023
Kumar, R.; Torres-Sospedra, J.; Chaurasiya, V.K.;
Datasets for Indoor Positioning with Single-AP Wi-Fi Fingerprinting
Proceedings of the 2023 International Conference on Localization and GNSS (ICL-GNSS), WIPHAL 2023 Work-in-Progress in Hardware and Software for Location Computation 2023 ,
2023.
2022
Montoliu, R.; Perez-Navarro, A.; Torres-Sospedra, J.;
Efficient tuning of kNN hyperparameters for indoor positioning with N-TBEA
Proceedings of the Twelfth International Conference on Indoor Positioning and Indoor Navigation,
2022.
Bravenec, T.; Torres-Sospedra, J.; Gould, M.; Fryza, T.;
Exploration of User Privacy in 802.11 Probe Requests with MAC Address Randomization Using Temporal Pattern Analysis
Proceedings of the 17th International Conference on Location Based Services (LBS),
2022.
Klus, Lucie; Quezada-Gaibor, D.; Torres-Sospedra, J.; Lohan, E.S.; Granell, C. and Nurmi J.;
Towards Accelerated Localization Performance Across Indoor Positioning Datasets
Proceedings of the 2022 International Conference on Localization and GNSS (ICL-GNSS) ,
2022.
Quezada-Gaibor, D.; Torres-Sospedra, J.; Nurmi, J.; Koucheryavy, Y.; Huerta, J.;
Lightweight Hybrid CNN-ELM Model for Multi-building and Multi-floor Classification
Proceedings of the 2022 International Conference on Localization and GNSS (ICL-GNSS) ,
2022.
Torres-Sospedra, J.; Aernouts, M.; Moreira, A.; Berkvens, R.;
LoRaWAN Fingerprinting with K-Means: the Relevance of Clusters Visual
Inspection
in ICL-GNSS 2022 WiP Proceedings co-located with 12th International
Conference on Localization and GNSS (2022),
2022.
link
2021
Pascacio, P.; Casteleyn, S.; Torres-Sospedra, J.
Smartphone Distance Estimation Based on RSSI-Fuzzy Classification Approach
Proceedings of the 2021 International Conference on Localization and GNSS (ICL-GNSS),
2021.
2020
Quezada-Gaibor, D.; Klus, Lucie; Torres-Sospedra, J.; Lohan, E.S.; Nurmi J. and Huerta, J.
Improving DBSCAN for Indoor Positioning Using Wi-Fi Radio Maps in Wearable and IoT Devices
Proceedings of the Twelfth International Congress on Ultra Modern Telecommunications and Control Systems (ICUMT),
2020.
ICUMT - Best Student Paper Award
Klus, Lucie; Quezada-Gaibor, D.; Torres-Sospedra, J.; Lohan, E.S.; Granell, C. and Nurmi J.
RSS Fingerprinting Dataset Size Reduction Using Feature-Wise Adaptive k-Means Clustering
Proceedings of the Twelfth International Congress on Ultra Modern Telecommunications and Control Systems (ICUMT),
2020.
Torres-Sospedra, J.; Quezada-Gaibor, D.; Mendoza-Silva, G. M.; Nurmi, J.; Koucheryavy, Y. and Huerta, J.
New Cluster Selection and Fine-grained Search for k-Means Clustering and Wi-Fi Fingerprinting
Proceedings of the Tenth International Conference on Localization and GNSS (ICL-GNSS),
2020.
Holcer, S.; Torres-Sospedra, J.; Gould, M. and Remolar, I.
Privacy in Indoor Positioning Systems: A Systematic Review
Proceedings of the Tenth International Conference on Localization and GNSS (ICL-GNSS),
2020.
Karmacharya, A.; Mendoza Silva, G. M. and Torres-Sospedra, J.
Sensor Fusion and Well Condition Triangle Approach for BLE-based Indoor Positioning
WiP Proceedings of the Tenth International Conference on Localization and GNSS (ICL-GNSS),
2020.
link
Abdlamajud Qafisheh, M. W.; Martín Furones, A. and Torres-Sospedra, J.
Support Vector Regression Machine Learning Tool to Predict GNSS Clock Corrections in Real-Time PPP Technique
WiP Proceedings of the Tenth International Conference on Localization and GNSS (ICL-GNSS),
2020.
link
2019
Jiménez-Ruiz, A. R.; Seco, F.; and Torres-Sospedra, J.
Tools for smartphone multi-sensor data registration and GT mapping for positioning applications
Proceedings of the Tenth International Conference on Indoor Positioning and Indoor Navigation,
2019.
Li, K.-L.; Zlatanova, S.; Torres-Sospedra, J.; Perez-Navarro, A.; Laoudias, C.; and Moreira, A.
Survey on Indoor Map Standards and Formats
Proceedings of the Tenth International Conference on Indoor Positioning and Indoor Navigation,
2019.
Rojo, J.; Mendoza-Silva, G. M.; Ristow, G.; Laiapea, J.; Parrello, G.; Simó, A.; Stupin, L.; Minican, D.; Farrés, M.; Corvalán, C.; Unger, F.; Marín-López, S.; Soteras, I.; Castejón-Bravo, D.; and Torres-Sospedra, J.
Machine Learning applied to Wi-Fi fingerprinting: The experiences of the Ubiqum Challenge
Proceedings of the Tenth International Conference on Indoor Positioning and Indoor Navigation,
2019.
Torres-Sospedra, J.; Moreira, A.; Mendoza-Silva, G. M.; Nicolau, M. J.; Matey-Sanz, M.; Silva, I.; Huerta, J.; and Pendão, C.
Exploiting Different Combinations of Complementary Sensor's data for Fingerprint-based Indoor Positioning in Industrial Environments
Proceedings of the Tenth International Conference on Indoor Positioning and Indoor Navigation,
2019.
Palinggi, D. A.; Ramos, F.; Torres-Sospedra, J.; Trilles, S.; and Huerta, J.
Using Weather Condition and Advanced Machine Learning Methods to Predict Soccer Outcome
Accepted Short Papers and Posters from the 22nd AGILE Conference on Geo-information Science. Cyprus University of Technology 17-20 June 2019, Limassol, Cyprus. ISBN 978-90-816960-9-8, Publisher: Stichting AGILE,
2019.
link
2018
Torres-Sospedra, J.; Richter, P.; Mendoza-Silva, G.M.; Lohan, E.S.; and Huerta, J.
Characterising the Alteration in the AP Distribution with the RSS Distance and the Position Estimates
Proceedings of the Ninth International Conference on Indoor Positioning and Indoor Navigation,
2018.
Perez-Navarro, A.; Montoliu, R.; Torres-Sospedra, J.; and Conesa, J.
Magnetic field as a characterization of wide and narrow spaces in a real challenging scenario using Dynamic Time Warping
Proceedings of the Ninth International Conference on Indoor Positioning and Indoor Navigation,
2018.
Montoliu, R.; Belmonte, O.; Sansano, E.; and Torres-Sospedra, J.
A new methodology for long-term maintenance of WiFi fingerprinting radio maps
Proceedings of the Ninth International Conference on Indoor Positioning and Indoor Navigation,
2018.
Mendoza-Silva, G. M.; Torres-Sospedra, J.; & Huerta, J.
Locations Selection for Periodic Radio Map Update in WiFi Fingerprinting
Proceedings of the Fourteenth Conference on Location Based Services,
2018.
2017
Santa, F.;, Henriques, R.;, Torres-Sospedra, J.; and Pebesma, E.
Spatio–temporal point patterns analysis of geolocated tweets to characterise urban dynamics
Spatial Statistics 2017 - One World: One Health,
2017. [Abstract]
Montoliu, R.;, Sansano, E.;, Torres-Sospedra, J.; and Belmonte, O.
IndoorLoc Platform: A Public Repository for Comparing and Evaluating Indoor Positioning Systems
Proceedings of the Eighth International Conference on Indoor Positioning and Indoor Navigation,
2017. [Candidate IPIN 2017 best paper]
Sansano, E.;, Montoliu, R.; and Torres-Sospedra, J.
A Novel Methodology to Estimate a Measurement of the Inherent Difficulty of an Indoor Localization Radio Map
Proceedings of the Eighth International Conference on Indoor Positioning and Indoor Navigation,
2017.
Moreira, A.; Silva, I.; Meneses, F.; Nicolau, M.J.; Pendão, C.; Torres-Sospedra, J.
Multiple simultaneous Wi-Fi measurements in fingerprinting indoor positioning
Proceedings of the Eighth International Conference on Indoor Positioning and Indoor Navigation,
2017.
Mendoza-Silva, G.M.;, Torres-Sospedra, J.; and Huerta, J.
A More Realistic Error Distance Calculation for WiFi
Indoor Positioning Systems Accuracy Evaluation
Proceedings of the Eighth International Conference on Indoor Positioning and Indoor Navigation,
2017.
2016
Mendoza-Silva, G. M.; Rodriguez-Pupo, L. E.; Torres-Sospedra, J.; Huerta, J.
Solutions for signal mapping campaigns of Wi-Fi networks
Proceedings of the VII Jornadas Ibéricas de Infraestructuras de Datos Espaciales,
2016.
Mendoza-Silva, G. M.; Torres-Sospedra, J.; Huerta, J.; Montoliu, R.; Benitez, F.; & Belmonte, O.
Situation Goodness Method for Weighted Centroid-based Wi-Fi APs Localization
Proceedings of the Thirdteenth Conference on Location Based Services,
2016.
Montoliu, R., Torres-Sospedra, J.; & Belmonte, O. Magnetic Field based Indoor Positioning Using the Bag of Words Paradigm Proceedings of the Seventh International Conference on Indoor Positioning and Indoor Navigation, 2016.
Torres-Sospedra, J.; Mendoza-Silva, G. M.; Montoliu, R.; Belmonte, O.; Benitez, F.; & Huerta, J. Ensembles of Indoor Positioning Systems Based on Fingerprinting: Simplifying Parameter Selection and Obtaining Robust Systems Proceedings of the Seventh International Conference on Indoor Positioning and Indoor Navigation, 2016.
Torres-Sospedra, J.; Belmonte, O.; Montoliu, R.; Trilles, S. & Calia, A., How feasible is WiFi fingerprint-based indoor positioning for in-home monitoring? Proceedings of the 12th International Conference on Intelligent Environment, 2016.
2015
Potortì, F.; Barsocchi, P.; Girolami, M.; Torres-Sospedra, J. & Montoliu, R. Evaluating Indoor Localization Solutions in Large Environments Through Competitive Benchmarking: The EvAAL-ETRI Competition Proceedings of the Sixth Conference on Indoor Positioning and Indoor Navigation, 2015.
Torres-Sospedra, J.; Rambla, D.; Montoliu, R.; Belmonte, O. & Huerta, J. UJIIndoorLoc-Mag: A New Database for Magnetic Field-Based Localization Problems Proceedings of the Sixth Conference on Indoor Positioning and Indoor Navigation, 2015.
2014
Garcia-Martí, I.; Torres-Sospedra, J.; Rodriguez-Pupo, L. E. & Huerta, J. A comparative study on VGI and professional noise data In proceedings of the 17th AGILE Conference on Geographic Information Science, 2014.
Torres-Sospedra, J.; Montoliu, R.; Martínez-Usó, A.; Avariento, J. P.; Arnau, T. J.; Benedito-Bordonau, M. & Huerta, J. UJIIndoorLoc: A New Multi-building and Multi-floor Database for WLAN Fingerprint-based Indoor Localization Problems Proceedings of the Fifth Conference on Indoor Positioning and Indoor Navigation, pp. 261-270, 2014.
2012
Nebot, P.; Torres-Sospedra, J. & Recatala, G. Using Neural Networks for Maintenance Tasks in Agriculture: Precise Weed Detection Proceedings of the International Conference of Agricultural Engineering CIGR-Ageng 2012, 2012.
2011
A Case Study on Agriture: Distributed HLA-Based Architecture for Agricultural Robotics Nebot, P.; Torres-Sospedra, J. & Martínez, R. Proceedings of the International Symposium on Distributed Computing and Artificial Intelligence. Advances in Intelligent and Soft Computing, Vol. 91, pp. 353-360, 2011.
Torres-Sospedra, J. & Nebot, P. Visual Outdoor Path Planner for Orange Groves Based on Ensembles of Neural Networks Proceedings of the 8th International Conference on Informatics in Control, Automation and Robotics, Vol. 2, pp. 223-228, 2011.
2006
Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Improving Adaptive Boosting with k-Cross-Fold Validation Intelligent Computing. International Conference on Intelligent Computing, ICIC 2006, Kunming, China, August 16-19, 2006. Proceedings, Part I Lecture Notes in Computer Science, Vol. 4113, pp. 397-402, 2006.
Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. The Mixture of Neural Networks Adapted to Multilayer Feedforward Architecture Intelligent Computing. International Conference on Intelligent Computing, ICIC 2006, Kunming, China, August 16-19, 2006. Proceedings, Part I Lecture Notes in Computer Science, Vol. 4113, pp. 488-493, 2006.
Fernández-Redondo, M.; Torres-Sospedra, J. & Hernández-Espinosa, C. Gradient Descent and Radial Basis Functions Intelligent Computing. International Conference on Intelligent Computing, ICIC 2006, Kunming, China, August 16-19, 2006. Proceedings, Part I Lecture Notes in Computer Science, Vol. 4113, pp. 391-396, 2006.
Hernández-Espinosa, C.; Torres-Sospedra, J. & Fernández-Redondo, M. Improving the Combination Module with a Neural Network Intelligent Computing. International Conference on Intelligent Computing, ICIC 2006, Kunming, China, August 16-19, 2006. Proceedings, Part I Lecture Notes in Computer Science, Vol. 4113, pp. 146-155, 2006.
2005
Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Combinación de Conjuntos de Redes Multilayer Feedforward Actas del Simposio de Inteligencia Computacional, SICO2005, pp. 11-18, 2005.
Fernández-Redondo, M.; Torres-Sospedra, J. & Hernández-Espinosa, C. Combinación de Conjuntos de Redes Radial Basis Functions Actas del Simposio de Inteligencia Computacional, SICO2005, pp. 515-520, 2005.
Hernández-Espinosa, C.; Fernández-Redondo, M. & Torres-Sospedra, J. Nuevos experimentos sobre Conjuntos de RNAs. Actas del Simposio de Inteligencia Computacional, SICO2005, pp. 19-25, 2005.
Torres-Sospedra, J.; Fernández-Redondo, M. & Hernández-Espinosa, C. Combination Methods for Ensembles of Multilayer Feedforward Proceedings of 6th WSEAS International Conference on Neural Networks, pp. 146-151, 2005.
Hernández-Espinosa, C.; Torres-Sospedra, J. & Fernández-Redondo, M. Combination Methods for Ensembles of RBF Networks Proceedings of 6th WSEAS International Conference on Neural Networks, pp. 140-145, 2005.
Torres-Sospedra, J.; Hernández-Espinosa, C. & Fernández-Redondo, M. Ensembles of Multilayer Feedforward: A New Comparison Proceedings of 6th WSEAS International Conference on Neural Networks, pp. 152-157, 2005.