2024
Mobility Data Science: Perspectives and Challenges.
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ACM Trans. Spatial Algorithms Syst., June, 2024
TrajRoute: Rethinking Routing with a Simple Trajectory-Based Approach - Forget the Maps and Traffic!
CoRR, 2024
Poly2Vec: Polymorphic Encoding of Geospatial Objects for Spatial Reasoning with Deep Neural Networks.
CoRR, 2024
Geo-Llama: Leveraging LLMs for Human Mobility Trajectory Generation with Spatiotemporal Constraints.
CoRR, 2024
Estimating mobility distributions from uncertain roadside sensor datasets.
Proceedings of the 25th IEEE International Conference on Mobile Data Management, 2024
TrajGPT: Controlled Synthetic Trajectory Generation Using a Multitask Transformer-Based Spatiotemporal Model.
Proceedings of the 32nd ACM International Conference on Advances in Geographic Information Systems, 2024
2023
HTF: Homogeneous Tree Framework for Differentially Private Release of Large Geospatial Datasets with Self-tuning Structure Height.
ACM Trans. Spatial Algorithms Syst., December, 2023
Towards Mobility Data Science (Vision Paper).
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CoRR, 2023
Time-variant road network-based bridgelets.
Proceedings of the 24th IEEE International Conference on Mobile Data Management, 2023
2022
Spatial Gems 2022 Workshop Report: The 4th ACM SIGSPATIAL International Workshop on Spatial Gems.
ACM SIGSPATIAL Special, November, 2022
Mobility Data Science (Dagstuhl Seminar 22021).
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Dagstuhl Reports, 2022
Reliable Geofence Activation with Sparse and Sporadic Location Measurements.
Proceedings of the 23rd IEEE International Conference on Mobile Data Management, 2022
Sensitivity Analysis of Personal Location Disclosure.
Proceedings of the 23rd IEEE International Conference on Mobile Data Management, 2022
Maximum entropy bridgelets for trajectory completion.
Proceedings of the 30th International Conference on Advances in Geographic Information Systems, 2022
The Brownian Bridge for Space-Time Interpolation.
Proceedings of the Spatial Gems, Volume 1, 2022
Speed Distribution from Normally Distributed Location Measurements.
Proceedings of the Spatial Gems, Volume 1, 2022
2021
Estimating Spread of Contact-Based Contagions in a Population Through Sub-Sampling.
Proc. VLDB Endow., 2021
Gaussian Process for Trajectories.
CoRR, 2021
HTF: Homogeneous Tree Framework for Differentially-Private Release of Location Data.
Proceedings of the SIGSPATIAL '21: 29th International Conference on Advances in Geographic Information Systems, 2021
Quantifying Intrinsic Value of Information of Trajectories.
Proceedings of the SIGSPATIAL '21: 29th International Conference on Advances in Geographic Information Systems, 2021
Brownian Bridge Interpolation for Human Mobility?
Proceedings of the SIGSPATIAL '21: 29th International Conference on Advances in Geographic Information Systems, 2021
2020
The 2nd ACM SIGSPATIAL International Workshop on Spatial Gems: Spatial Gems 2020 workshop report.
ACM SIGSPATIAL Special, 2020
Computing value of spatiotemporal information.
Commun. ACM, 2020
<i>DeepMotions</i>: A Deep Learning System for Path Prediction Using Similar Motions.
IEEE Access, 2020
SemEval-2020 Task 7: Assessing Humor in Edited News Headlines.
Proceedings of the Fourteenth Workshop on Semantic Evaluation, 2020
Noise Patterns in GPS Trajectories.
Proceedings of the 21st IEEE International Conference on Mobile Data Management, 2020
Spatial Privacy Pricing: The Interplay between Privacy, Utility and Price in Geo-Marketplaces.
Proceedings of the SIGSPATIAL '20: 28th International Conference on Advances in Geographic Information Systems, 2020
Location Accuracy Estimates for Signal Fingerprinting.
Proceedings of the SIGSPATIAL '20: 28th International Conference on Advances in Geographic Information Systems, 2020
Stimulating Creativity with FunLines: A Case Study of Humor Generation in Headlines.
Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics: System Demonstrations, 2020
2019
To Buy or Not to Buy: Computing Value of Spatiotemporal Information.
ACM Trans. Spatial Algorithms Syst., 2019
Spatial gems 2019 workshop report: The 1st ACM SIGSPATIAL International Workshop on Spatial Gems.
ACM SIGSPATIAL Special, 2019
Spatial gems: a new type of workshop at the SIGSPATIAL conference.
ACM SIGSPATIAL Special, 2019
"President Vows to Cut Hair": Dataset and Analysis of Creative Text Editing for Humorous Headlines.
Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, 2019
Land Use Inference from Mobility Traces.
Proceedings of the 3rd ACM SIGSPATIAL International Workshop on AI for Geographic Knowledge Discovery, 2019
An Interactive Map-based System for Visually Exploring and Cleaning GPS Traces.
Proceedings of the 27th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2019
Which One is Correct, The Map or The GPS Trace.
Proceedings of the 27th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2019
Understanding Context for Tasks and Activities.
Proceedings of the 2019 Conference on Human Information Interaction and Retrieval, 2019
Traffic Updates: Saying a Lot While Revealing a Little.
Proceedings of the Thirty-Third AAAI Conference on Artificial Intelligence, 2019
2018
What Will You Do for the Rest of the Day?: An Approach to Continuous Trajectory Prediction.
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2018
On the value of spatiotemporal information: principles and scenarios.
Proceedings of the 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2018
SimilarMove: Similarity-based Prediction for Moving Object Future Path.
Proceedings of the 2nd ACM SIGSPATIAL Workshop on Prediction of Human Mobility, 2018
2017
Urban Impulses: Evoked Responses From Local Event Stimuli.
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2017
Warming Up to Cold Start Personalization.
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2017
Curious true facts about people and location.
Proceedings of the 2017 IEEE International Conference on Pervasive Computing and Communications, 2017
Predicting taxi pickups in cities: which data sources should we use?
Proceedings of the Adjunct Proceedings of the 2017 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2017 ACM International Symposium on Wearable Computers, 2017
TweetCount: urban insights by counting tweets.
Proceedings of the Adjunct Proceedings of the 2017 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2017 ACM International Symposium on Wearable Computers, 2017
Filling the Blanks (hint: plural noun) for Mad Libs Humor.
Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing, 2017
Risk-Aware Planning: Methods and Case Study for Safer Driving Routes.
Proceedings of the Thirty-First AAAI Conference on Artificial Intelligence, 2017
2015
Placer++: Semantic place labels beyond the visit.
Proceedings of the 2015 IEEE International Conference on Pervasive Computing and Communications, 2015
EVHomeShifter: evaluating intelligent techniques for using electrical vehicle batteries to shift when homes draw energy from the grid.
Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing, 2015
Eyewitness: identifying local events via space-time signals in twitter feeds.
Proceedings of the 23rd SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2015
Navigation made personal: inferring driving preferences from GPS traces.
Proceedings of the 23rd SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2015
2014
6th ACM SIGSPATIAL International Workshop on Computational Transportation Science.
ACM SIGSPATIAL Special, 2014
Highlights from ACM SIGSPATIAL GIS 2013: the 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems: (Orlando, Florida, November 5-8, 2013).
ACM SIGSPATIAL Special, 2014
Transit tomography using probabilistic time geography: planning routes without a road map.
J. Locat. Based Serv., 2014
2013
From destination prediction to route prediction.
J. Locat. Based Serv., 2013
J. Locat. Based Serv., 2013
Learning Likely Locations.
Proceedings of the User Modeling, Adaptation, and Personalization, 2013
Days of Our Lives: Assessing Day Similarity from Location Traces.
Proceedings of the User Modeling, Adaptation, and Personalization, 2013
Nobody likes Mondays: foreground detection and behavioral patterns analysis in complex urban scenes.
Proceedings of the 4th ACM/IEEE international workshop on Analysis and retrieval of tracked events and motion in imagery stream, 2013
Crowdphysics: Planned and Opportunistic Crowdsourcing for Physical Tasks.
Proceedings of the Seventh International Conference on Weblogs and Social Media, 2013
Placer: semantic place labels from diary data.
Proceedings of the 2013 ACM International Joint Conference on Pervasive and Ubiquitous Computing, 2013
2012
EarlyOff: using house cooling rates to save energy.
Proceedings of the BuildSys '12 Proceedings of the Fourth ACM Workshop on Embedded Sensing Systems for Energy-Efficiency in Buildings, 2012
Some help on the way: opportunistic routing under uncertainty.
Proceedings of the 2012 ACM Conference on Ubiquitous Computing, 2012
ACM SIGSPATIAL GIS Cup 2012.
Proceedings of the SIGSPATIAL 2012 International Conference on Advances in Geographic Information Systems (formerly known as GIS), 2012
Trajectory-aware mobile search.
Proceedings of the CHI Conference on Human Factors in Computing Systems, 2012
Far Out: Predicting Long-Term Human Mobility.
Proceedings of the Twenty-Sixth AAAI Conference on Artificial Intelligence, 2012
2011
Ubiquitous Advertising: The Killer Application for the 21st Century.
IEEE Pervasive Comput., 2011
Learning Time-Based Presence Probabilities.
Proceedings of the Pervasive Computing - 9th International Conference, 2011
Keynote: What to do with 100 million GPS points.
Proceedings of the Ninth Annual IEEE International Conference on Pervasive Computing and Communications, 2011
Understanding the importance of location, time, and people in mobile local search behavior.
Proceedings of the 13th Conference on Human-Computer Interaction with Mobile Devices and Services, 2011
PreHeat: controlling home heating using occupancy prediction.
Proceedings of the UbiComp 2011: Ubiquitous Computing, 13th International Conference, 2011
Trajectory Preprocessing.
Proceedings of the Computing with Spatial Trajectories, 2011
Trajectory Analysis for Driving.
Proceedings of the Computing with Spatial Trajectories, 2011
2010
Where will they turn: predicting turn proportions at intersections.
Pers. Ubiquitous Comput., 2010
Exploring end user preferences for location obfuscation, location-based services, and the value of location.
Proceedings of the UbiComp 2010: Ubiquitous Computing, 12th International Conference, 2010
Detecting Road Intersections from GPS Traces.
Proceedings of the Geographic Information Science, 6th International Conference, 2010
Probabilistic modeling of traffic lanes from GPS traces.
Proceedings of the 18th ACM SIGSPATIAL International Symposium on Advances in Geographic Information Systems, 2010
2009
A survey of computational location privacy.
Pers. Ubiquitous Comput., 2009
Guest Editors' Introduction: Content Sharing.
IEEE Pervasive Comput., 2009
Realistic Driving Trips For Location Privacy.
Proceedings of the Pervasive Computing, 7th International Conference, 2009
Hidden Markov map matching through noise and sparseness.
Proceedings of the 17th ACM SIGSPATIAL International Symposium on Advances in Geographic Information Systems, 2009
From GPS traces to a routable road map.
Proceedings of the 17th ACM SIGSPATIAL International Symposium on Advances in Geographic Information Systems, 2009
2008
IEEE Pervasive Comput., 2008
Calibree: Calibration-Free Localization Using Relative Distance Estimations.
Proceedings of the Pervasive Computing, 2008
2007
UbiComp 2006 Workshops, Part 1.
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IEEE Pervasive Comput., 2007
UbiComp 2006 Workshops, Part 2.
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IEEE Pervasive Comput., 2007
Predestination: Where Do You Want to Go Today?
Computer, 2007
Driver Destination Models.
Proceedings of the User Modeling 2007, 11th International Conference, 2007
Inference Attacks on Location Tracks.
Proceedings of the Pervasive Computing, 2007
2006
Predestination: Inferring Destinations from Partial Trajectories.
Proceedings of the UbiComp 2006: Ubiquitous Computing, 2006
Trip Router with Individualized Preferences (TRIP): Incorporating Personalization into Route Planning.
Proceedings of the Proceedings, 2006
2005
Data Store Issues for Location-Based Services.
IEEE Data Eng. Bull., 2005
Computing location from ambient FM radio signals [commercial radio station signals].
Proceedings of the IEEE Wireless Communications and Networking Conference, 2005
Accuracy characterization for metropolitan-scale Wi-Fi localization.
Proceedings of the 3rd International Conference on Mobile Systems, 2005
Proceedings of the Location- and Context-Awareness, First International Workshop, 2005
2004
Location-Aware Computing Comes of Age.
Computer, 2004
LOCADIO: Inferring Motion and Location from Wi-Fi Signal Strengths.
Proceedings of the 1st Annual International Conference on Mobile and Ubiquitous Systems (MobiQuitous 2004), 2004
The NearMe Wireless Proximity Server.
Proceedings of the UbiComp 2004: Ubiquitous Computing: 6th International Conference, 2004
2003
RightSPOT: A Novel Sense of Location for a Smart Personal Object.
Proceedings of the UbiComp 2003: Ubiquitous Computing, 2003
2002
SmartMoveX on a Graph - An Inexpensive Active Badge Tracker.
Proceedings of the UbiComp 2002: Ubiquitous Computing, 4th International Conference, Göteborg, Sweden, September 29, 2002
2000
Ubiquitous computing and the role of geometry.
IEEE Wirel. Commun., 2000
EasyLiving: Technologies for Intelligent Environments.
Proceedings of the Handheld and Ubiquitous Computing, Second International Symposium, 2000
Object Recognition for an Intelligent Room.
Proceedings of the 2000 Conference on Computer Vision and Pattern Recognition (CVPR 2000), 2000
1999
Wallflower: Principles and Practice of Background Maintenance.
Proceedings of the International Conference on Computer Vision, 1999
Object Recognition with Color Cooccurrence Histograms.
Proceedings of the 1999 Conference on Computer Vision and Pattern Recognition (CVPR '99), 1999
1998
Video occupant detection for airbag deployment.
Proceedings of the Proceedings Fourth IEEE Workshop on Applications of Computer Vision, 1998
1997
Vector quantized binary features for visual pose measurement.
Proceedings of the 1997 IEEE International Conference on Robotics and Automation, 1997
Object detection with vector quantized binary features.
Proceedings of the 1997 Conference on Computer Vision and Pattern Recognition (CVPR '97), 1997
1996
Eigenfeatures for planar pose measurement of partially occluded objects.
Proceedings of the 1996 Conference on Computer Vision and Pattern Recognition (CVPR '96), 1996
1995
Texture Segmentation and Shape in the Same Image.
Proceedings of the Procedings of the Fifth International Conference on Computer Vision (ICCV 95), 1995
1992
Shape from periodic texture using the spectrogram.
Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition, 1992
1990
Local spatial frequency analysis of image texture.
Proceedings of the Third International Conference on Computer Vision, 1990