Introduction to statistical pattern recognition (2nd ed.)
Introduction to statistical pattern recognition (2nd ed.)
A system architecture for context-aware mobile computing
A system architecture for context-aware mobile computing
Cyberguide: a mobile context-aware tour guide
Wireless Networks - Special issue: mobile computing and networking: selected papers from MobiCom '96
A User-Centered Location Model
Personal and Ubiquitous Computing
X-means: Extending K-means with Efficient Estimation of the Number of Clusters
ICML '00 Proceedings of the Seventeenth International Conference on Machine Learning
On k-Median clustering in high dimensions
SODA '06 Proceedings of the seventeenth annual ACM-SIAM symposium on Discrete algorithm
CarTel: a distributed mobile sensor computing system
Proceedings of the 4th international conference on Embedded networked sensor systems
Anonymous Usage of Location-Based Services Through Spatial and Temporal Cloaking
Proceedings of the 1st international conference on Mobile systems, applications and services
MobiSteer: using steerable beam directional antenna for vehicular network access
Proceedings of the 5th international conference on Mobile systems, applications and services
SmokeScreen: flexible privacy controls for presence-sharing
Proceedings of the 5th international conference on Mobile systems, applications and services
COMBINE: leveraging the power of wireless peers through collaborative downloading
Proceedings of the 5th international conference on Mobile systems, applications and services
A Practical Shortest Path Algorithm with Linear Expected Time
SIAM Journal on Computing
From awareness to repartee: sharing location within social groups
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Supporting location-aware services for mobile users with the whereabouts diary
Proceedings of the 1st international conference on MOBILe Wireless MiddleWARE, Operating Systems, and Applications
The BlueGame project: ad-hoc multilayer mobile game with social dimension
CoNEXT '07 Proceedings of the 2007 ACM CoNEXT conference
Virtual trip lines for distributed privacy-preserving traffic monitoring
Proceedings of the 6th international conference on Mobile systems, applications, and services
N-smarts: networked suite of mobile atmospheric real-time sensors
Proceedings of the second ACM SIGCOMM workshop on Networked systems for developing regions
BreadCrumbs: forecasting mobile connectivity
Proceedings of the 14th ACM international conference on Mobile computing and networking
Media sharing based on colocation prediction in urban transport
Proceedings of the 14th ACM international conference on Mobile computing and networking
Nericell: rich monitoring of road and traffic conditions using mobile smartphones
Proceedings of the 6th ACM conference on Embedded network sensor systems
Place lab: device positioning using radio beacons in the wild
PERVASIVE'05 Proceedings of the Third international conference on Pervasive Computing
Accurate GSM indoor localization
UbiComp'05 Proceedings of the 7th international conference on Ubiquitous Computing
Picking pockets on the lawn: the development of tactics and strategies in a mobile game
UbiComp'05 Proceedings of the 7th international conference on Ubiquitous Computing
Predestination: inferring destinations from partial trajectories
UbiComp'06 Proceedings of the 8th international conference on Ubiquitous Computing
WhereStore: location-based data storage for mobile devices interacting with the cloud
Proceedings of the 1st ACM Workshop on Mobile Cloud Computing & Services: Social Networks and Beyond
Improving energy efficiency of location sensing on smartphones
Proceedings of the 8th international conference on Mobile systems, applications, and services
Bartendr: a practical approach to energy-aware cellular data scheduling
Proceedings of the sixteenth annual international conference on Mobile computing and networking
Did you see Bob?: human localization using mobile phones
Proceedings of the sixteenth annual international conference on Mobile computing and networking
SensLoc: sensing everyday places and paths using less energy
Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems
StarTrack next generation: a scalable infrastructure for track-based applications
OSDI'10 Proceedings of the 9th USENIX conference on Operating systems design and implementation
Energy-efficient positioning for smartphones using Cell-ID sequence matching
MobiSys '11 Proceedings of the 9th international conference on Mobile systems, applications, and services
Energy-efficient trajectory tracking for mobile devices
MobiSys '11 Proceedings of the 9th international conference on Mobile systems, applications, and services
High-performance composite event monitoring system supporting large numbers of queries and sources
Proceedings of the 5th ACM international conference on Distributed event-based system
Journal of Systems and Software
Extracting patterns from location history
Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Sixth sense transport: challenges in supporting flexible time travel
Proceedings of the Twelfth Workshop on Mobile Computing Systems & Applications
How long to wait?: predicting bus arrival time with mobile phone based participatory sensing
Proceedings of the 10th international conference on Mobile systems, applications, and services
A proposal for managing multiple trails in educational environments
Proceedings of the 18th Brazilian symposium on Multimedia and the web
Proceedings of the 20th International Conference on Advances in Geographic Information Systems
IODetector: a generic service for indoor outdoor detection
Proceedings of the 10th ACM Conference on Embedded Network Sensor Systems
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Mobile devices are increasingly equipped with hardware and software services allowing them to determine their locations, but support for building location-aware applications remains rudimentary. This paper proposes tracks of location coordinates as a high-level abstraction for a new class of mobile applications including ride sharing, location-based collaboration, and health monitoring. Each track is a sequence of entries recording a person's time, location, and application-specific data. StarTrack provides applications with a comprehensive set of operations for recording, comparing, clustering and querying tracks. StarTrack can efficiently operate on thousands of tracks.