FastGraph Enhanced: High Accuracy Automatic Indoor Navigation and Mapping

IEEE Transactions on Mobile Computing

2021 | journal-article

Beyond Euclidean Distance for Error Measurement in Pedestrian Indoor Location

IEEE Transactions on Instrumentation and Measurement

2021 | journal-article

The IPIN 2019 Indoor Localisation Competition—Description and Results

IEEE Access

2020 | journal-article

Evaluation of Low-Cost Sensors for Weather and Carbon Dioxide Monitoring in Internet of Things Context

IoT

2020 | journal-article

A survey of enabling technologies for network localization, tracking, and navigation

IEEE Communications Surveys and Tutorials

2018 | journal-article

Fast Graph - Organic 3D Graph for Unsupervised Location and Mapping

IPIN 2018 - 9th International Conference on Indoor Positioning and Indoor Navigation

2018 | conference-paper

Off-Line Evaluation of Mobile-Centric Indoor Positioning Systems: The Experiences from the 2017 IPIN Competition

Sem título

2018 | journal-article

Analysis of Sources of Large Positioning Errors in Deterministic Fingerprinting

Sensors

2017 | journal-article

A Behaviour Monitoring System (BMS) for Ambient Assisted Living

Sem título

2017 | journal-article

A behaviour monitoring system (BMS) for ambient assisted living

Sensors (Switzerland)

2017 | journal-article

A realistic evaluation of indoor positioning systems based on Wi-Fi fingerprinting: The 2015 EvAAL-ETRI competition

Journal of Ambient Intelligence and Smart Environments

2017 | journal-article

Data Quality Issues in Environmental Sensing with Smartphones

Sensornets: Proceedings of the 6th International Conference on Sensor Networks

2017 | journal-article

Data quality issues in environmental sensing with smartphones

SENSORNETS 2017 - Proceedings of the 6th International Conference on Sensor Networks

2017 | conference-paper

Multiple simultaneous Wi-Fi measurements in fingerprinting indoor positioning

2017 International Conference on Indoor Positioning and Indoor Navigation, IPIN 2017

2017 | conference-paper

The Smartphone-Based Offline Indoor Location Competition at IPIN 2016: Analysis and Future Work

Sensors (Basel, Switzerland)

2017 | journal-article

The smartphone-based offline indoor location competition at IPIN 2016: Analysis and future work

Sensors (Switzerland)

2017 | journal-article

Evaluation of medium access and a positioning system in wireless underground sensor networks

IFIP Wireless Days

2016 | conference-paper

Indoor tracking from multidimensional sensor data

2016 International Conference on Indoor Positioning and Indoor Navigation, IPIN 2016

2016 | conference-paper

Human Mobility Patterns at the Smallest Scales

Communications in Computational Physics

2015 | journal-article

Localization in underground tunnels

Indoor Wayfinding and Navigation

2015 | book

MyHealth: A cross-domain platform for healthcare

Proceedings of the ACM Symposium on Applied Computing

2015 | conference-paper

On the Impact of Overlapping Access Points in Detecting Node Encounters

2015 | other

On the Scalability of Constructive Interference in Low-Power Wireless Networks

Wireless Sensor Networks (Ewsn 2015)

2015 | book-chapter

On the impact of overlapping access points in detecting node encounters

Proceedings of the 2015 14th Annual Mediterranean Ad Hoc Networking Workshop, MED-HOC-NET 2015

2015 | conference-paper

On the scalability of constructive interference in low-power wireless networks

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

2015 | book

Where@UM - Dependable organic radio maps

2015 International Conference on Indoor Positioning and Indoor Navigation, IPIN 2015

2015 | conference-paper

Wi-Fi fingerprinting in the real world - RTLS@UM at the EvAAL competition

2015 International Conference on Indoor Positioning and Indoor Navigation, IPIN 2015

2015 | conference-paper

Analyzing Temporal Scale Behaviour of Connectivity Properties of Node Encounters

Procedia Computer Science

2014 | journal-article

Analyzing temporal scale behaviour of connectivity properties of node encounters

Procedia Computer Science

2014 | conference-paper

Analyzing the quality of crowd sensed WiFi data

2014 Ieee International Conference on Pervasive Computing and Communications Workshops (Percom Workshops)

2014 | journal-article

Energy Consumption in Personal Mobile Devices Sensing Applications

2014 7th Ifip Wireless and Mobile Networking Conference (Wmnc)

2014 | journal-article

Fast SNN-Based Clustering Approach for Large Geospatial Data Sets

Connecting a Digital Europe Through Location and Place

2014 | journal-article

From human mobility to renewable energies: Big data analysis to approach worldwide multiscale phenomena

European Physical Journal: Special Topics

2014 | journal-article

Impact of Ping-Pong Events on Connectivity Properties of Node Encounters

2014 7th Ifip Wireless and Mobile Networking Conference (Wmnc)

2014 | journal-article

Impact of ping-pong events on connectivity properties of node encounters

2014 7th IFIP Wireless and Mobile Networking Conference, WMNC 2014

2014 | conference-paper

Integrating Public Transportation Data: Creation and Editing of GTFS Data

New Perspectives in Information Systems and Technologies, Vol 2

2014 | book-chapter

Wi-Fi fingerprint similarity in collaborative radio maps for indoor positioning

2014 | other

Human Movement Analysis Using Heterogeneous Data Sources

International Journal of Agricultural and Environmental Information Systems

2013 | journal-article

Human movement analysis using heterogeneous data sources

International Journal of Agricultural and Environmental Information Systems

2013 | journal-article

Indoor Positioning and Navigation. Part III: Navigation Systems

Journal of Location Based Services

2013 | journal-article

Removing useless APs and fingerprints from WiFi indoor positioning radio maps

2013 International Conference on Indoor Positioning and Indoor Navigation, IPIN 2013

2013 | conference-paper

Combining similarity functions and majority rules for multi-building, multi-floor, WiFi Positioning

2012 International Conference on Indoor Positioning and Indoor Navigation (Ipin)

2012 | journal-article

Combining similarity functions and majority rules for multi-building, multi-floor, WiFi Positioning

2012 International Conference on Indoor Positioning and Indoor Navigation (Ipin)

2012 | journal-article

Combining similarity functions and majority rules for multi-building, multi-floor, WiFi positioning

2012 International Conference on Indoor Positioning and Indoor Navigation, IPIN 2012 - Conference Proceedings

2012 | conference-paper

Dealing with Multiple Source Spatio-temporal Data in Urban Dynamics Analysis

2012 | other

Dealing with multiple source spatio-temporal data in urban dynamics analysis

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

2012 | book

EDITORIAL, Indoor Positioning and Navigation Part I: Fingerprinting

Journal of Location Based Services

2012 | journal-article

EDITORIAL, Indoor Positioning and Navigation Part II: WSN and Magnetic-Based Systems

Journal of Location Based Services

2012 | journal-article

Editorial

Journal of Location Based Services

2012 | journal-article

Engaging participants for collaborative sensing of human mobility

UbiComp'12 - Proceedings of the 2012 ACM Conference on Ubiquitous Computing

2012 | conference-paper

Evaluation of Bluetooth Technology as a Sensor of Urban Mobility

Information Systems and Technologies, Vols 1 and 2

2012 | book

Evaluation of Bluetooth Technology as a Sensor of Urban Mobility

Information Systems and Technologies

2012 | journal-article

Human mobility analysis by collaborative radio landscape observation

2012 | other

Large scale movement analysis from WiFi based location data

2012 International Conference on Indoor Positioning and Indoor Navigation, IPIN 2012 - Conference Proceedings

2012 | conference-paper

Large scale movement analysis from WiFi based location data

2012 International Conference on Indoor Positioning and Indoor Navigation (Ipin)

2012 | journal-article

Large scale movement analysis from WiFi based location data

2012 International Conference on Indoor Positioning and Indoor Navigation (Ipin)

2012 | journal-article

Multi-technology RF fingerprinting with leaky-feeder in underground tunnels

2012 International Conference on Indoor Positioning and Indoor Navigation, IPIN 2012 - Conference Proceedings

2012 | conference-paper

Performance and limits of KNN-based positioning methods for GSM networks over leaky feeder in underground tunnels

Journal of Location Based Services

2012 | journal-article

Requirements and metrics for location and tracking for ambient assisted living

2012 International Conference on Indoor Positioning and Indoor Navigation, IPIN 2012 - Conference Proceedings

2012 | conference-paper

Social Interactions Around Public Transportation

Information Systems and Technologies, Vols 1 and 2

2012 | book

Social Interactions Around Public Transportation

Information Systems and Technologies

2012 | journal-article

Social interactions around public transportation

Iberian Conference on Information Systems and Technologies, CISTI

2012 | conference-paper

Evaluating location fingerprinting methods for underground GSM networks deployed over Leaky Feeder

2011 International Conference on Indoor Positioning and Indoor Navigation, IPIN 2011

2011 | conference-paper

Groups and frequent visitors shaping the space dynamics

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

2011 | book

Towards a spatio-temporal information system for moving objects

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

2011 | book

Anomaly detection in university campus WiFi zones

2010 8th IEEE International Conference on Pervasive Computing and Communications Workshops, PERCOM Workshops 2010

2010 | conference-paper

Challenges on real-time monitoring of patients through the Internet

Proceedings of the 5th Iberian Conference on Information Systems and Technologies, CISTI 2010

2010 | conference-paper

GUESS: On the prediction of mobile users' movement in space

Movement-Aware Applications for Sustainable Mobility: Technologies and Approaches

2010 | book

Mapeamento Automático de Redes WiFi com base em Assinaturas Rádio

Actas da 10ª Conferência sobre Redes de Computadores

2010 | journal-article

Navigation based on symbolic space models

2010 International Conference on Indoor Positioning and Indoor Navigation, IPIN 2010 - Conference Proceedings

2010 | conference-paper

Spatial neighbors for topological spatial relations: The case of a circular spatially extended point

Lecture Notes in Electrical Engineering

2010 | book

Symbolic space modeling based on WiFi network data analysis

INSS 2010 - 7th International Conference on Networked Sensing Systems

2010 | conference-paper

The Impact of Data Quality in the Context of Pedestrian Movement Analysis

Geospatial Thinking

2010 | journal-article

The impact of data quality in the context of pedestrian movement analysis

Lecture Notes in Geoinformation and Cartography

2010 | conference-paper

Topological spatial relations for circular spatially extended points: An overview

Lecture Notes in Electrical Engineering

2010 | book

Building a personal symbolic space model from GSM CellID positioning data

Lecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering

2009 | book

Conceptual Neighborhood Graphs for Topological Spatial Relations

World Congress on Engineering 2009, Vols I and Ii

2009 | journal-article

Conceptual Neighborhood Graphs for Topological Spatial Relations

World Congress on Engineering 2009, Vols I and Ii

2009 | journal-article

How a Circular Spatially Extended Point is Topological Related with a Line?

World Congress on Engineering 2009, Vols I and Ii

2009 | journal-article

How a Circular Spatially Extended Point is Topological Related with a Line?

World Congress on Engineering 2009, Vols I and Ii

2009 | journal-article

Technology enablers for context-aware healthcare applications

Mobile Health Solutions for Biomedical Applications

2009 | book

Topological relationships between a Circular Spatially Extended Point and a Line: Spatial relations and their conceptual neighborhoods

IAENG International Journal of Computer Science

2009 | journal-article

Concave hull: a Jt-Nearest neighbours approach for the computation of the region occupied by a set of points

GRAPP 2007 - 2nd International Conference on Computer Graphics Theory and Applications, Proceedings

2007 | conference-paper

Decision Trees in the Identification of Space Models

Mediterranean Journal of Computers and Network - Special Issue on Mobile and Ubiquitous Systems

2007 | journal-article

Using GSM CellID positioning for place discovering

2006 Pervasive Health Conference and Workshops, PervasiveHealth

2007 | conference-paper

Integrated context management for multi-domain pervasive environments

CEUR Workshop Proceedings

2005 | conference-paper

A flexible location-context representation

IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC

2004 | conference-paper

The AROUND architecture for dynamic location-based services

Mobile Networks & Applications

2003 | journal-article

Acesso remoto ao Correio Electrónico da Internet

2002 | manual

An open architecture for developing mobile location-based applications over the Internet

IEEE Symposium on Computers and Communications - Proceedings

2001 | conference-paper

How do I design a location-dependent application?

Optoelectronic and Wireless Data Management, Processing, Storage, and Retrieval

2001 | book-chapter

How do I design a location-dependent application?

Proceedings of SPIE - The International Society for Optical Engineering

2001 | conference-paper

Alguns aspectos que condicionam o desempenho dos sistemas de transmissão

1999 | manual

Técnicas de modulação

1999 | manual

The Infrared Phisical Layer og the IEEE 802.11 Standard for Wireless Local Area Netwoks

Communications Magazine

1998 | journal-article

The infrared physical layer of the IEEE 802.11 standard for wireless local area networks

Ieee Communications Magazine

1998 | journal-article

Contribuições da Universidade de Aveiro para a especificação da Rede de Area Local Não-cablada IEEE 802.11

Electrónica e Telecomunicações

1997 | journal-article

Optical interference produced by artificial light

Wireless Networks

1997 | journal-article

Experimental results of a pulse position modulation infrared transceiver

IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC

1996 | conference-paper

Experimental results of a pulse position modulation infrared transceiver

Pimrc'96 - the Seventh Ieee International Symposium on Personal, Indoor and Mobile Radio Communications, Proceedings, Vols 1-3

1996 | journal-article

Perfomance of Infrared Transmission Systems Under Ambient Light Interference

IEE Proceedings J- Optoelectronics

1996 | journal-article

Performance of infrared transmission systems under ambient light interference

Iee Proceedings-Optoelectronics

1996 | journal-article

Reducing the effects of artificial light interference in wireless infrared transmission systems

IEE Colloquium (Digest)

1996 | journal-article

Characterisation and modelling of artificial light interference in optical wireless communication systems

IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC

1995 | conference-paper

Modulation methods for wireless infrared transmission systems - Performance under ambient light noise and interference

Wireless Data Transmission

1995 | book-chapter