A Comparative Analysis of Methods for Pruning Decision Trees
IEEE Transactions on Pattern Analysis and Machine Intelligence
Exploiting generative models in discriminative classifiers
Proceedings of the 1998 conference on Advances in neural information processing systems II
IEEE Transactions on Pattern Analysis and Machine Intelligence
Wearable Sensor Badge and Sensor Jacket for Context Awareness
ISWC '99 Proceedings of the 3rd IEEE International Symposium on Wearable Computers
Context Awareness by Analyzing Accelerometer Data
ISWC '00 Proceedings of the 4th IEEE International Symposium on Wearable Computers
Pattern Classification (2nd Edition)
Pattern Classification (2nd Edition)
Trading off Prediction Accuracy and Power Consumption for Context-Aware Wearable Computing
ISWC '05 Proceedings of the Ninth IEEE International Symposium on Wearable Computers
Analyzing features for activity recognition
Proceedings of the 2005 joint conference on Smart objects and ambient intelligence: innovative context-aware services: usages and technologies
SATIRE: a software architecture for smart AtTIRE
Proceedings of the 4th international conference on Mobile systems, applications and services
Data Mining: Practical Machine Learning Tools and Techniques, Second Edition (Morgan Kaufmann Series in Data Management Systems)
Learning and inferring transportation routines
Artificial Intelligence
Activity sensing in the wild: a field trial of ubifit garden
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Activity recognition system for mobile phones using the MotionBand device
Proceedings of the 1st international conference on MOBILe Wireless MiddleWARE, Operating Systems, and Applications
Context-aware Battery Management for Mobile Phones
PERCOM '08 Proceedings of the 2008 Sixth Annual IEEE International Conference on Pervasive Computing and Communications
Peopletones: a system for the detection and notification of buddy proximity on mobile phones
Proceedings of the 6th international conference on Mobile systems, applications, and services
Micro-Blog: sharing and querying content through mobile phones and social participation
Proceedings of the 6th international conference on Mobile systems, applications, and services
Flowers or a robot army?: encouraging awareness & activity with personal, mobile displays
UbiComp '08 Proceedings of the 10th international conference on Ubiquitous computing
Understanding mobility based on GPS data
UbiComp '08 Proceedings of the 10th international conference on Ubiquitous computing
Seeing our signals: combining location traces and web-based models for personal discovery
Proceedings of the 9th workshop on Mobile computing systems and applications
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
BALANCE: towards a usable pervasive wellness application with accurate activity inference
Proceedings of the 10th workshop on Mobile Computing Systems and Applications
UbiGreen: investigating a mobile tool for tracking and supporting green transportation habits
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the 7th international conference on Mobile systems, applications, and services
A hybrid discriminative/generative approach for modeling human activities
IJCAI'05 Proceedings of the 19th international joint conference on Artificial intelligence
Users and batteries: interactions and adaptive energy management in mobile systems
UbiComp '07 Proceedings of the 9th international conference on Ubiquitous computing
CenceMe: injecting sensing presence into social networking applications
EuroSSC'07 Proceedings of the 2nd European conference on Smart sensing and context
A practical approach to recognizing physical activities
PERVASIVE'06 Proceedings of the 4th international conference on Pervasive Computing
Place lab: device positioning using radio beacons in the wild
PERVASIVE'05 Proceedings of the Third international conference on Pervasive Computing
Mobile context inference using low-cost sensors
LoCA'05 Proceedings of the First international conference on Location- and Context-Awareness
Mobility detection using everyday GSM traces
UbiComp'06 Proceedings of the 8th international conference on Ubiquitous Computing
Practical metropolitan-scale positioning for GSM phones
UbiComp'06 Proceedings of the 8th international conference on Ubiquitous Computing
User activity understanding from mobile phone sensors
Proceedings of the 12th ACM international conference adjunct papers on Ubiquitous computing - Adjunct
AutoWitness: locating and tracking stolen property while tolerating GPS and radio outages
Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems
Cooperative transit tracking using smart-phones
Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems
Proceedings of the 2nd Augmented Human International Conference
Accurate, low-energy trajectory mapping for mobile devices
Proceedings of the 8th USENIX conference on Networked systems design and implementation
Understanding human-smartphone concerns: a study of battery life
Pervasive'11 Proceedings of the 9th international conference on Pervasive computing
Privacy-aware mobile location-based systems
Proceedings of the 1st international workshop on Mobile location-based service
Bayesian nonparametric modeling of user activities
Proceedings of the 2011 international workshop on Trajectory data mining and analysis
Demo: Automatically generating interesting events with LifeJoin
Proceedings of the 9th ACM Conference on Embedded Networked Sensor Systems
Transportation mode detection using mobile phones and GIS information
Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Code in the air: simplifying sensing and coordination tasks on smartphones
Proceedings of the Twelfth Workshop on Mobile Computing Systems & Applications
TapLogger: inferring user inputs on smartphone touchscreens using on-board motion sensors
Proceedings of the fifth ACM conference on Security and Privacy in Wireless and Mobile Networks
An effective coreset compression algorithm for large scale sensor networks
Proceedings of the 11th international conference on Information Processing in Sensor Networks
Fast track article: Balancing behavioral privacy and information utility in sensory data flows
Pervasive and Mobile Computing
AutoWitness: Locating and tracking stolen property while tolerating GPS and radio outages
ACM Transactions on Sensor Networks (TOSN)
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
Capturing transitions between users' semantically meaningful places using mobile devices
Proceedings of the 1st ACM workshop on Mobile systems for computational social science
Centinela: A human activity recognition system based on acceleration and vital sign data
Pervasive and Mobile Computing
Manage and query generic moving objects in SECONDO
Proceedings of the VLDB Endowment
Online pose classification and walking speed estimation using handheld devices
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
Understanding how trace segmentation impacts transportation mode detection
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
Surrounding context and episode awareness using dynamic Bluetooth data
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
UbiMI: ubiquitous mobile instrumentation
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
Active citizenship: a system to inform about problems to the local entities
Proceedings of the 13th International Conference on Interacción Persona-Ordenador
Model-based context privacy for personal data streams
Proceedings of the 2012 ACM conference on Computer and communications security
Proceedings of the Third International Workshop on Sensing Applications on Mobile Phones
Proceedings of the Third International Workshop on Sensing Applications on Mobile Phones
Obtaining in-context measurements of cellular network performance
Proceedings of the 2012 ACM conference on Internet measurement conference
GMOBench: a benchmark for generic moving objects
Proceedings of the 20th International Conference on Advances in Geographic Information Systems
A generic data model for moving objects
Geoinformatica
Teaching cyber-physical systems to computer scientists via modeling and verification
Proceeding of the 44th ACM technical symposium on Computer science education
Lessons Learned from Large-Scale User Studies: Using Android Market as a Source of Data
International Journal of Mobile Human Computer Interaction
CrowdAtlas: self-updating maps for cloud and personal use
Proceeding of the 11th annual international conference on Mobile systems, applications, and services
Proceedings of the fourth international conference on Future energy systems
Classifying social actions with a single accelerometer
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
Proceedings of the 2013 ACM conference on Pervasive and ubiquitous computing adjunct publication
ParkSense: a smartphone based sensing system for on-street parking
Proceedings of the 19th annual international conference on Mobile computing & networking
On the applicability of mobility metrics for user movement pattern recognition in MANETs
Proceedings of the 11th ACM international symposium on Mobility management and wireless access
Proceedings of the 2013 ACM SIGPLAN international conference on Object oriented programming systems languages & applications
Accelerometer-based transportation mode detection on smartphones
Proceedings of the 11th ACM Conference on Embedded Networked Sensor Systems
CoSense: a collaborative sensing platform for mobile devices
Proceedings of the 11th ACM Conference on Embedded Networked Sensor Systems
MoveSafe: a framework for transportation mode-based targeted alerting in disaster response
Proceedings of the Second ACM SIGSPATIAL International Workshop on Crowdsourced and Volunteered Geographic Information
Web-based enrichment of bike sensor data for automatic geo-annotation
Proceedings of the Second ACM SIGSPATIAL International Workshop on Crowdsourced and Volunteered Geographic Information
Feature engineering for semantic place prediction
Pervasive and Mobile Computing
ipShield: a framework for enforcing context-aware privacy
NSDI'14 Proceedings of the 11th USENIX Conference on Networked Systems Design and Implementation
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As mobile phones advance in functionality and capability, they are being used for more than just communication. Increasingly, these devices are being employed as instruments for introspection into habits and situations of individuals and communities. Many of the applications enabled by this new use of mobile phones rely on contextual information. The focus of this work is on one dimension of context, the transportation mode of an individual when outside. We create a convenient (no specific position and orientation setting) classification system that uses a mobile phone with a built-in GPS receiver and an accelerometer. The transportation modes identified include whether an individual is stationary, walking, running, biking, or in motorized transport. The overall classification system consists of a decision tree followed by a first-order discrete Hidden Markov Model and achieves an accuracy level of 93.6% when tested on a dataset obtained from sixteen individuals.