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.
doi
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,
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.
[arxiv pre-print]
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.
doi
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.
doi
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.
doi
[arxiv pre-print]
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.
doi
[arxiv pre-print]
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.
[arxiv pre-print]
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.
doi
[arxiv pre-print]
Workshop
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 2nd International Workshop on ALgorithms for Indoor Architectures and Systems (ALIAS) ,
2022.
doi
[arxiv pre-print]
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.
doi
[arxiv pre-print]
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.
doi
[arxiv pre-print]
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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. doi
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. doi [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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
2023
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.
doi
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,
2023.
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.
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.
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.
[arxiv pre-print]
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.
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.
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.
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.
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.
2022
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.
doi
[arxiv pre-print]
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.
doi
[arxiv pre-print]
2021
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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
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.
doi
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.
doi
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.
doi
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
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.
doi
2004
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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.
url
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.
doi
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.
[arxiv pre-print]
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.
doi
[arxiv pre-print]
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.
doi
[arxiv pre-print]
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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.
doi
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. doi
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. doi [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. doi
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. doi
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. doi
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.
doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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. doi
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.