IEEE Spectrum
Accuracy characterization for metropolitan-scale Wi-Fi localization
Proceedings of the 3rd international conference on Mobile systems, applications, and services
AITVS: Advanced Interactive Traffic Visualization System
ICDE '06 Proceedings of the 22nd International Conference on Data Engineering
Are GSM Phones THE Solution for Localization?
WMCSA '06 Proceedings of the Seventh IEEE Workshop on Mobile Computing Systems & Applications
The CarTel mobile sensor computing system
Proceedings of the 4th international conference on Embedded networked sensor systems
Context-for-wireless: context-sensitive energy-efficient wireless data transfer
Proceedings of the 5th international conference on Mobile systems, applications and services
Surface street traffic estimation
Proceedings of the 5th international conference on Mobile systems, applications and services
IPSN '08 Proceedings of the 7th international conference on Information processing in sensor networks
Virtual trip lines for distributed privacy-preserving traffic monitoring
Proceedings of the 6th international conference on Mobile systems, applications, and services
The pothole patrol: using a mobile sensor network for road surface monitoring
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
Security and Cooperation in Wireless Networks: Thwarting Malicious and Selfish Behavior in the Age of Ubiquitous Computing
A location-based management system for enterprise wireless LANs
NSDI'07 Proceedings of the 4th USENIX conference on Networked systems design & implementation
Accurate GSM indoor localization
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
Audio classification based on MPEG-7 spectral basis representations
IEEE Transactions on Circuits and Systems for Video Technology
Proceedings of the 6th ACM conference on Embedded network sensor systems
Nericell: using mobile smartphones for rich monitoring of road and traffic conditions
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
StarTrack: a framework for enabling track-based applications
Proceedings of the 7th international conference on Mobile systems, applications, and services
A Sensor Network System for Measuring Traffic in Short-Term Construction Work Zones
DCOSS '09 Proceedings of the 5th IEEE International Conference on Distributed Computing in Sensor Systems
Demo abstract: A Trusted Platform based framework for participatory sensing
IPSN '09 Proceedings of the 2009 International Conference on Information Processing in Sensor Networks
SurroundSense: mobile phone localization via ambience fingerprinting
Proceedings of the 15th annual international conference on Mobile computing and networking
VTrack: accurate, energy-aware road traffic delay estimation using mobile phones
Proceedings of the 7th ACM Conference on Embedded Networked Sensor Systems
Using mobile phones to determine transportation modes
ACM Transactions on Sensor Networks (TOSN)
Opportunistic sensing: security challenges for the new paradigm
COMSNETS'09 Proceedings of the First international conference on COMmunication Systems And NETworks
I am a sensor, and I approve this message
Proceedings of the Eleventh Workshop on Mobile Computing Systems & Applications
A survey of urban vehicular sensing platforms
Computer Networks: The International Journal of Computer and Telecommunications Networking
INSS'09 Proceedings of the 6th international conference on Networked sensing systems
Preserving privacy in participatory sensing systems
Computer Communications
Darwin phones: the evolution of sensing and inference on mobile phones
Proceedings of the 8th international conference on Mobile systems, applications, and services
PRISM: platform for remote sensing using smartphones
Proceedings of the 8th international conference on Mobile systems, applications, and services
ParkNet: drive-by sensing of road-side parking statistics
Proceedings of the 8th international conference on Mobile systems, applications, and services
Proceedings of the 8th international conference on Mobile systems, applications, and services
Energy-delay tradeoffs in smartphone applications
Proceedings of the 8th international conference on Mobile systems, applications, and services
Energy-efficient rate-adaptive GPS-based positioning for smartphones
Proceedings of the 8th international conference on Mobile systems, applications, and services
Improving energy efficiency of location sensing on smartphones
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
Road traffic estimation using in-situ acoustic sensing
Proceedings of the ACM SIGCOMM 2010 conference
Challenges in ubiquitous context recognition with personal mobile devices
Proceedings of the 4th ACM International Workshop on Context-Awareness for Self-Managing Systems
Opportunistic collaboration in participatory sensing environments
Proceedings of the fifth ACM international workshop on Mobility in the evolving internet architecture
Did you see Bob?: human localization using mobile phones
Proceedings of the sixteenth annual international conference on Mobile computing and networking
Privacy vulnerability of published anonymous mobility traces
Proceedings of the sixteenth annual international conference on Mobile computing and networking
Directional antenna diversity for mobile devices: characterizations and solutions
Proceedings of the sixteenth annual international conference on Mobile computing and networking
AutoWitness: locating and tracking stolen property while tolerating GPS and radio outages
Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems
The Jigsaw continuous sensing engine for mobile phone applications
Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems
Measuring mobile phone energy consumption for 802.11 wireless networking
Pervasive and Mobile Computing
Monitoring geo-social activities through micro-blogging sites
DASFAA'10 Proceedings of the 15th international conference on Database systems for advanced applications
Integrating participatory sensing in application development practices
Proceedings of the FSE/SDP workshop on Future of software engineering research
Extracting social and community intelligence from digital footprints: an emerging research area
UIC'10 Proceedings of the 7th international conference on Ubiquitous intelligence and computing
AnonySense: A system for anonymous opportunistic sensing
Pervasive and Mobile Computing
Fast, accurate event classification on resource-lean embedded sensors
EWSN'11 Proceedings of the 8th European conference on Wireless sensor networks
Improving wireless network performance using sensor hints
Proceedings of the 8th USENIX conference on Networked systems design and implementation
WreckWatch: Automatic Traffic Accident Detection and Notification with Smartphones
Mobile Networks and Applications
Short paper: PEPSI---privacy-enhanced participatory sensing infrastructure
Proceedings of the fourth ACM conference on Wireless network security
A technology-assisted scavenger hunt for introducing K-12 students to sensor networks
Proceedings of the 16th annual joint conference on Innovation and technology in computer science education
TagSense: a smartphone-based approach to automatic image tagging
MobiSys '11 Proceedings of the 9th international conference on Mobile systems, applications, and services
Avoiding the rush hours: WiFi energy management via traffic isolation
MobiSys '11 Proceedings of the 9th international conference on Mobile systems, applications, and services
Energy-efficient positioning for smartphones using Cell-ID sequence matching
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
HartFi: an energy-efficient localization system
Proceedings of the 2nd ACM SIGCOMM workshop on Green networking
Anonygator: privacy and integrity preserving data aggregation
Proceedings of the ACM/IFIP/USENIX 11th International Conference on Middleware
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
Quality control for real-time ubiquitous crowdsourcing
Proceedings of the 2nd international workshop on Ubiquitous crowdsouring
Deliberation for intuition: a framework for energy-efficient trip detection on cellular phones
Proceedings of the 13th international conference on Ubiquitous computing
A survey on privacy in mobile participatory sensing applications
Journal of Systems and Software
A privacy-aware framework for participatory sensing
ACM SIGKDD Explorations Newsletter
Distributed road surface condition monitoring using mobile phones
UIC'11 Proceedings of the 8th international conference on Ubiquitous intelligence and computing
FINDERS: a featherlight information network with delay-endurable RFID support
IEEE/ACM Transactions on Networking (TON)
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
Designing a secure storage repository for sharing scientific datasets using public clouds
Proceedings of the second international workshop on Data intensive computing in the clouds
Discovery of user behavior patterns from geo-tagged micro-blogs
Proceedings of the 4th International Conference on Uniquitous Information Management and Communication
Crowd (soft) control: moving beyond the opportunistic
Proceedings of the Twelfth Workshop on Mobile Computing Systems & Applications
Pervasive'10 Proceedings of the 8th international conference on Pervasive Computing
Location based information storage and dissemination in vehicular ad hoc networks
ADBIS'09 Proceedings of the 13th East European conference on Advances in Databases and Information Systems
Preserving query privacy in urban sensing systems
ICDCN'12 Proceedings of the 13th international conference on Distributed Computing and Networking
Ikarus: large-scale participatory sensing at high altitudes
Proceedings of the 12th Workshop on Mobile Computing Systems and Applications
MECA: mobile edge capture and analysis middleware for social sensing applications
Proceedings of the 21st international conference companion on World Wide Web
AutoWitness: Locating and tracking stolen property while tolerating GPS and radio outages
ACM Transactions on Sensor Networks (TOSN)
Medusa: a programming framework for crowd-sensing applications
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
Crowdsourcing to smartphones: incentive mechanism design for mobile phone sensing
Proceedings of the 18th annual international conference on Mobile computing and networking
Personalized driving behavior monitoring and analysis for emerging hybrid vehicles
Pervasive'12 Proceedings of the 10th international conference on Pervasive Computing
Proceedings of the 4th ACM/IEEE International Conference on Information and Communication Technologies and Development
Improving energy efficiency of personal sensing applications with heterogeneous multi-processors
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
Exploring user preferences for privacy interfaces in mobile sensing applications
Proceedings of the 11th International Conference on Mobile and Ubiquitous Multimedia
Citywide mobile internet access using dense urban WiFi coverage
Proceedings of the first workshop on Urban networking
Designing an integrated driver assistance system using image sensors
Journal of Intelligent Manufacturing
GeoCrowd: enabling query answering with spatial crowdsourcing
Proceedings of the 20th International Conference on Advances in Geographic Information Systems
Cloud-enabled privacy-preserving collaborative learning for mobile sensing
Proceedings of the 10th ACM Conference on Embedded Network Sensor Systems
Kyun queue: a sensor network system to monitor road traffic queues
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
Tracking unmodified smartphones using wi-fi monitors
Proceedings of the 10th ACM Conference on Embedded Network Sensor Systems
TrafficPulse: a mobile GISystem for transportation
Proceedings of the First ACM SIGSPATIAL International Workshop on Mobile Geographic Information Systems
Using mobile phone sensors to detect driving behavior
Proceedings of the 3rd ACM Symposium on Computing for Development
Real-Time Vehicular Traffic Violation Detection in Traffic Monitoring Stream
WI-IAT '12 Proceedings of the The 2012 IEEE/WIC/ACM International Joint Conferences on Web Intelligence and Intelligent Agent Technology - Volume 03
Sensing vehicle dynamics for determining driver phone use
Proceeding of the 11th annual international conference on Mobile systems, applications, and services
Participatory sensing based traffic condition monitoring using horn detection
Proceedings of the 28th Annual ACM Symposium on Applied Computing
Towards a generic framework for trustworthy spatial crowdsourcing
Proceedings of the 12th International ACM Workshop on Data Engineering for Wireless and Mobile Acess
Fast, Accurate Event Classification on Resource-Lean Embedded Sensors
ACM Transactions on Autonomous and Adaptive Systems (TAAS)
Estimating heart rate variation during walking with smartphone
Proceedings of the 2013 ACM international joint conference on Pervasive and ubiquitous computing
Scalable Data Processing for Community Sensing Applications
Mobile Networks and Applications
SocialWeaver: collaborative inference of human conversation networks using smartphones
Proceedings of the 11th ACM Conference on Embedded Networked Sensor Systems
ISNN'13 Proceedings of the 10th international conference on Advances in Neural Networks - Volume Part I
Dejavu: an accurate energy-efficient outdoor localization system
Proceedings of the 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
GeoTruCrowd: trustworthy query answering with spatial crowdsourcing
Proceedings of the 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Maximizing the number of worker's self-selected tasks in spatial crowdsourcing
Proceedings of the 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Privacy vulnerability of published anonymous mobility traces
IEEE/ACM Transactions on Networking (TON)
Processing crowd sourced sensor data: from data acquisition to application
Proceedings of the Sixth ACM SIGSPATIAL International Workshop on Computational Transportation Science
Proceedings of International Conference on Advances in Mobile Computing & Multimedia
Information fusion based learning for frugal traffic state sensing
IJCAI'13 Proceedings of the Twenty-Third international joint conference on Artificial Intelligence
A mobile crowdsensing system enhanced by cloud-based social networking services
Proceedings of the First International Workshop on Middleware for Cloud-enabled Sensing
An intelligent driver location system for smart parking
Expert Systems with Applications: An International Journal
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We consider the problem of monitoring road and traffic conditions in a city. Prior work in this area has required the deployment of dedicated sensors on vehicles and/or on the roadside, or the tracking of mobile phones by service providers. Furthermore, prior work has largely focused on the developed world, with its relatively simple traffic flow patterns. In fact, traffic flow in cities of the developing regions, which comprise much of the world, tends to be much more complex owing to varied road conditions (e.g., potholed roads), chaotic traffic (e.g., a lot of braking and honking), and a heterogeneous mix of vehicles (2-wheelers, 3-wheelers, cars, buses, etc.). To monitor road and traffic conditions in such a setting, we present Nericell, a system that performs rich sensing by piggybacking on smartphones that users carry with them in normal course. In this paper, we focus specifically on the sensing component, which uses the accelerometer, microphone, GSM radio, and/or GPS sensors in these phones to detect potholes, bumps, braking, and honking. Nericell addresses several challenges including virtually reorienting the accelerometer on a phone that is at an arbitrary orientation, and performing honk detection and localization in an energy efficient manner. We also touch upon the idea of triggered sensing, where dissimilar sensors are used in tandem to conserve energy. We evaluate the effectiveness of the sensing functions in Nericell based on experiments conducted on the roads of Bangalore, with promising results.