Machine Learning
An Efficient k-Means Clustering Algorithm: Analysis and Implementation
IEEE Transactions on Pattern Analysis and Machine Intelligence
Recognizing User Context via Wearable Sensors
ISWC '00 Proceedings of the 4th IEEE International Symposium on Wearable Computers
Shoes as a Platform for Vision
ISWC '03 Proceedings of the 7th IEEE International Symposium on Wearable Computers
Shoes as a Platform for Vision
ISWC '03 Proceedings of the 7th IEEE International Symposium on Wearable Computers
Labeling images with a computer game
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
VOR base stations for indoor 802.11 positioning
Proceedings of the 10th annual international conference on Mobile computing and networking
Accuracy characterization for metropolitan-scale Wi-Fi localization
Proceedings of the 3rd international conference on Mobile systems, applications, and services
PinPoint: An Asynchronous Time-Based Location Determination System
Proceedings of the 4th international conference on Mobile systems, applications and services
Indoor Localization Using Camera Phones
WMCSA '06 Proceedings of the Seventh IEEE Workshop on Mobile Computing Systems & Applications
The cricket indoor location system
The cricket indoor location system
Building a sensor network of mobile phones
Proceedings of the 6th international conference on Information processing in sensor networks
Micro-Blog: sharing and querying content through mobile phones and social participation
Proceedings of the 6th international conference on Mobile systems, applications, and services
Advancing wireless link signatures for location distinction
Proceedings of the 14th ACM international conference on Mobile computing and networking
AAMPL: accelerometer augmented mobile phone localization
Proceedings of the first ACM international workshop on Mobile entity localization and tracking in GPS-less environments
Nericell: rich monitoring of road and traffic conditions using mobile smartphones
Proceedings of the 6th ACM conference on Embedded network sensor systems
Proceedings of the 6th ACM conference on Embedded network sensor systems
A framework of energy efficient mobile sensing for automatic user state recognition
Proceedings of the 7th international conference on Mobile systems, applications, and services
EnTracked: energy-efficient robust position tracking for mobile devices
Proceedings of the 7th international conference on Mobile systems, applications, and services
Activity recognition from accelerometer data
IAAI'05 Proceedings of the 17th conference on Innovative applications of artificial intelligence - Volume 3
Tracking people in indoor environments
ICOST'07 Proceedings of the 5th international conference on Smart homes and health telematics
Place-Its: a study of location-based reminders on mobile phones
UbiComp'05 Proceedings of the 7th international conference on Ubiquitous Computing
Practical metropolitan-scale positioning for GSM phones
UbiComp'06 Proceedings of the 8th international conference on Ubiquitous Computing
VUPoints: collaborative sensing and video recording through mobile phones
ACM SIGCOMM Computer Communication Review
Darwin phones: the evolution of sensing and inference on mobile phones
Proceedings of the 8th international conference on Mobile systems, applications, and services
CrowdSearch: exploiting crowds for accurate real-time image search on mobile phones
Proceedings of the 8th international conference on Mobile systems, applications, and services
Growing an organic indoor location system
Proceedings of the 8th international conference on Mobile systems, applications, and services
Energy-accuracy trade-off for continuous mobile device location
Proceedings of the 8th international conference on Mobile systems, applications, and services
MoVi: mobile phone based video highlights via collaborative sensing
Proceedings of the 8th international conference on Mobile systems, applications, and services
Towards mobile phone localization without war-driving
INFOCOM'10 Proceedings of the 29th conference on Information communications
Towards cooperative localization of wearable sensors using accelerometers and cameras
INFOCOM'10 Proceedings of the 29th conference on Information communications
Highlights: event coverage in mobile social networks
ACM SIGMOBILE Mobile Computing and Communications Review
Did you see Bob?: human localization using mobile phones
Proceedings of the sixteenth annual international conference on Mobile computing and networking
Indoor localization without the pain
Proceedings of the sixteenth annual international conference on Mobile computing and networking
A survey of mobile phone sensing
IEEE Communications Magazine
Empirical evaluation of signal-strength fingerprint positioning in wireless LANs
Proceedings of the 13th ACM international conference on Modeling, analysis, and simulation of wireless and mobile systems
SensLoc: sensing everyday places and paths using less energy
Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems
eShare: a capacitor-driven energy storage and sharing network for long-term operation
Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems
Building book inventories using smartphones
Proceedings of the international conference on Multimedia
TagSense: a smartphone-based approach to automatic image tagging
MobiSys '11 Proceedings of the 9th international conference on Mobile systems, applications, and services
FindingMiMo: tracing a missing mobile phone using daily observations
MobiSys '11 Proceedings of the 9th international conference on Mobile systems, applications, and services
AccuLoc: practical localization of performance measurements in 3G networks
MobiSys '11 Proceedings of the 9th international conference on Mobile systems, applications, and services
Review: From wireless sensor networks towards cyber physical systems
Pervasive and Mobile Computing
Tapping into the Vibe of the city using VibN, a continuous sensing application for smartphones
Proceedings of 1st international symposium on From digital footprints to social and community intelligence
Seeker-assisted human navigation using smart phones
Proceedings of 1st international symposium on From digital footprints to social and community intelligence
Interactive 3D modeling of indoor environments with a consumer depth camera
Proceedings of the 13th international conference on Ubiquitous computing
Employing user feedback for semantic location services
Proceedings of the 13th international conference on Ubiquitous computing
SiFi: exploiting VoIP silence for WiFi energy savings insmart phones
Proceedings of the 13th international conference on Ubiquitous computing
MobiCom '11 Proceedings of the 17th annual international conference on Mobile computing and networking
A survey on privacy in mobile participatory sensing applications
Journal of Systems and Software
Mystate: sharing social and contextual information through touch interactions with tagged objects
Proceedings of the 13th International Conference on Human Computer Interaction with Mobile Devices and Services
SENST*: approaches for reducing the energy consumption of smartphone-based context recognition
CONTEXT'11 Proceedings of the 7th international and interdisciplinary conference on Modeling and using context
Mobility prediction-based smartphone energy optimization for everyday location monitoring
Proceedings of the 9th ACM Conference on Embedded Networked Sensor Systems
PBN: towards practical activity recognition using smartphone-based body sensor networks
Proceedings of the 9th ACM Conference on Embedded Networked Sensor Systems
BeepBeep: A high-accuracy acoustic-based system for ranging and localization using COTS devices
ACM Transactions on Embedded Computing Systems (TECS)
Proceedings of the Twelfth Workshop on Mobile Computing Systems & Applications
Augmenting mobile localization with activities and common sense knowledge
AmI'11 Proceedings of the Second international conference on Ambient Intelligence
Achieving long-term operation with a capacitor-driven energy storage and sharing network
ACM Transactions on Sensor Networks (TOSN)
EV-Loc: integrating electronic and visual signals for accurate localization
Proceedings of the thirteenth ACM international symposium on Mobile Ad Hoc Networking and Computing
ACE: exploiting correlation for energy-efficient and continuous context sensing
Proceedings of the 10th international conference on Mobile systems, applications, and services
CoMon: cooperative ambience monitoring platform with continuity and benefit awareness
Proceedings of the 10th international conference on Mobile systems, applications, and services
You are facing the Mona Lisa: spot localization using PHY layer information
Proceedings of the 10th international conference on Mobile systems, applications, and services
No need to war-drive: unsupervised indoor localization
Proceedings of the 10th international conference on Mobile systems, applications, and services
Tapprints: your finger taps have fingerprints
Proceedings of the 10th international conference on Mobile systems, applications, and services
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
VISION: cloud-powered sight for all: showing the cloud what you see
Proceedings of the third ACM workshop on Mobile cloud computing and services
Geo-fencing: geographical-fencing based energy-aware proactive framework for mobile devices
Proceedings of the 2012 IEEE 20th International Workshop on Quality of Service
Locating in fingerprint space: wireless indoor localization with little human intervention
Proceedings of the 18th annual international conference on Mobile computing and networking
Zee: zero-effort crowdsourcing for indoor localization
Proceedings of the 18th annual international conference on Mobile computing and networking
Push the limit of WiFi based localization for smartphones
Proceedings of the 18th annual international conference on Mobile computing and networking
Automatically characterizing places with opportunistic crowdsensing using smartphones
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
Obtaining in-context measurements of cellular network performance
Proceedings of the 2012 ACM conference on Internet measurement conference
Towards a semi-automatic personal digital diary: detecting daily activities from smartphone sensors
Proceedings of the 5th International Conference on PErvasive Technologies Related to Assistive Environments
Cloud-enabled privacy-preserving collaborative learning for mobile sensing
Proceedings of the 10th ACM Conference on Embedded Network Sensor Systems
IODetector: a generic service for indoor outdoor detection
Proceedings of the 10th ACM Conference on Embedded Network Sensor Systems
Low cost crowd counting using audio tones
Proceedings of the 10th ACM Conference on Embedded Network Sensor Systems
RoomSense: an indoor positioning system for smartphones using active sound probing
Proceedings of the 4th Augmented Human International Conference
Spartacus: spatially-aware interaction for mobile devices through energy-efficient audio sensing
Proceeding of the 11th annual international conference on Mobile systems, applications, and services
NuActiv: recognizing unseen new activities using semantic attribute-based learning
Proceeding of the 11th annual international conference on Mobile systems, applications, and services
Auditeur: a mobile-cloud service platform for acoustic event detection on smartphones
Proceeding of the 11th annual international conference on Mobile systems, applications, and services
Energy characterization and optimization of image sensing toward continuous mobile vision
Proceeding of the 11th annual international conference on Mobile systems, applications, and services
Guoguo: enabling fine-grained indoor localization via smartphone
Proceeding of the 11th annual international conference on Mobile systems, applications, and services
Intelligent search in social communities of smartphone users
Distributed and Parallel Databases
A survey on smartphone-based systems for opportunistic user context recognition
ACM Computing Surveys (CSUR)
Walkie-Markie: indoor pathway mapping made easy
nsdi'13 Proceedings of the 10th USENIX conference on Networked Systems Design and Implementation
Proceedings of the 2013 ACM international joint conference on Pervasive and ubiquitous computing
Crowd++: unsupervised speaker count with smartphones
Proceedings of the 2013 ACM international joint conference on Pervasive and ubiquitous computing
If you see something, swipe towards it: crowdsourced event localization using smartphones
Proceedings of the 2013 ACM international joint conference on Pervasive and ubiquitous computing
Understanding the coverage and scalability of place-centric crowdsensing
Proceedings of the 2013 ACM international joint conference on Pervasive and ubiquitous computing
Inferring social contextual behavior from bluetooth traces
Proceedings of the 2013 ACM conference on Pervasive and ubiquitous computing adjunct publication
Understanding customer malling behavior in an urban shopping mall using smartphones
Proceedings of the 2013 ACM conference on Pervasive and ubiquitous computing adjunct publication
From the internet of things to embedded intelligence
World Wide Web
A Multisensor Architecture Providing Location-based Services for Smartphones
Mobile Networks and Applications
Social-Loc: improving indoor localization with social sensing
Proceedings of the 11th ACM Conference on Embedded Networked Sensor Systems
Proceedings of the 11th ACM Conference on Embedded Networked Sensor Systems
A user-centric mobility sensing system for transportation activity surveys
Proceedings of the 11th ACM Conference on Embedded Networked Sensor Systems
Ambient sound-based proximity detection with smartphones
Proceedings of the 11th ACM Conference on Embedded Networked Sensor Systems
Reduce the Number of Sensors: Sensing Acoustic Emissions to Estimate Appliance Energy Usage
Proceedings of the 5th ACM Workshop on Embedded Systems For Energy-Efficient Buildings
From RSSI to CSI: Indoor localization via channel response
ACM Computing Surveys (CSUR)
Local business ambience characterization through mobile audio sensing
Proceedings of the 23rd international conference on World wide web
Personalized behavior pattern recognition and unusual event detection for mobile users
Mobile Information Systems
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A growing number of mobile computing applications are centered around the user's location. The notion of location is broad, ranging from physical coordinates (latitude/longitude) to logical labels (like Starbucks, McDonalds). While extensive research has been performed in physical localization, there have been few attempts in recognizing logical locations. This paper argues that the increasing number of sensors on mobile phones presents new opportunities for logical localization. We postulate that ambient sound, light, and color in a place convey a photo-acoustic signature that can be sensed by the phone's camera and microphone. In-built accelerometers in some phones may also be useful in inferring broad classes of user-motion, often dictated by the nature of the place. By combining these optical, acoustic, and motion attributes, it may be feasible to construct an identifiable fingerprint for logical localization. Hence, users in adjacent stores can be separated logically, even when their physical positions are extremely close. We propose SurroundSense, a mobile phone based system that explores logical localization via ambience fingerprinting. Evaluation results from 51 different stores show that SurroundSense can achieve an average accuracy of 87% when all sensing modalities are employed. We believe this is an encouraging result, opening new possibilities in indoor localization.