Explaining collaborative filtering recommendations
CSCW '00 Proceedings of the 2000 ACM conference on Computer supported cooperative work
Understanding and Using Context
Personal and Ubiquitous Computing
User needs for location-aware mobile services
Personal and Ubiquitous Computing
IEEE Pervasive Computing
Gather customer's real usage on mobile phones
Proceedings of the 7th international conference on Human computer interaction with mobile devices & services
MyExperience: a system for in situ tracing and capturing of user feedback on mobile phones
Proceedings of the 5th international conference on Mobile systems, applications and services
How people use the web on mobile devices
Proceedings of the 17th international conference on World Wide Web
Understanding mobile information needs
Proceedings of the 10th international conference on Human computer interaction with mobile devices and services
Contextual patterns in mobile service usage
Personal and Ubiquitous Computing
AppAware: which mobile applications are hot?
Proceedings of the 12th international conference on Human computer interaction with mobile devices and services
Experiments in the wild: public evaluation of off-screen visualizations in the Android market
Proceedings of the 6th Nordic Conference on Human-Computer Interaction: Extending Boundaries
Empowerment through seamfulness: smart phones in everyday life
Personal and Ubiquitous Computing
Further into the wild: running worldwide trials of mobile systems
Pervasive'10 Proceedings of the 8th international conference on Pervasive Computing
Hit it!: an apparatus for upscaling mobile HCI studies
CHI '12 Extended Abstracts on Human Factors in Computing Systems
Couch mobility: the cell phone's most important feature at home is mobility
CHI '12 Extended Abstracts on Human Factors in Computing Systems
How to be a successful app developer: lessons from the simulation of an app ecosystem
Proceedings of the 14th annual conference on Genetic and evolutionary computation
TFMAP: optimizing MAP for top-n context-aware recommendation
SIGIR '12 Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval
Understanding and prediction of mobile application usage for smart phones
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
Understanding tablet use: a multi-method exploration
MobileHCI '12 Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services
MobileHCI '12 Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services
Back to the app: the costs of mobile application interruptions
MobileHCI '12 Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services
Climbing the app wall: enabling mobile app discovery through context-aware recommendations
Proceedings of the 21st ACM international conference on Information and knowledge management
Too much information!: user attitudes towards smartphone sharing
Proceedings of the 7th Nordic Conference on Human-Computer Interaction: Making Sense Through Design
MoCCha: a mobile campus app for analyzing user behavior in the field
Proceedings of the 7th Nordic Conference on Human-Computer Interaction: Making Sense Through Design
Proceedings of the 2013 international conference on Intelligent user interfaces
ProtectMyPrivacy: detecting and mitigating privacy leaks on iOS devices using crowdsourcing
Proceeding of the 11th annual international conference on Mobile systems, applications, and services
iPhone in vivo: video analysis of mobile device use
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Categorised ethical guidelines for large scale mobile HCI
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Insights into layout patterns of mobile user interfaces by an automatic analysis of android apps
Proceedings of the 5th ACM SIGCHI symposium on Engineering interactive computing systems
A study on icon arrangement by smartphone users
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Back-of-device authentication on smartphones
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Investigating self-reporting behavior in long-term studies
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
End-user creation of social apps by utilizing web-based social components and visual app composition
Proceedings of the 22nd international conference on World Wide Web companion
Oh app, where art thou?: on app launching habits of smartphone users
Proceedings of the 15th international conference on Human-computer interaction with mobile devices and services
Upright or sideways?: analysis of smartphone postures in the wild
Proceedings of the 15th international conference on Human-computer interaction with mobile devices and services
Smartphone use does not have to be rude: making phones a collaborative presence in meetings
Proceedings of the 15th international conference on Human-computer interaction with mobile devices and services
Understanding user behavior at scale in a mobile video chat application
Proceedings of the 2013 ACM international joint conference on Pervasive and ubiquitous computing
Practical prediction and prefetch for faster access to applications on mobile phones
Proceedings of the 2013 ACM international joint conference on Pervasive and ubiquitous computing
Proceedings of the 2013 International Symposium on Wearable Computers
A novel mobile device user interface with integrated social networking services
International Journal of Human-Computer Studies
"Little brothers watching you": raising awareness of data leaks on smartphones
Proceedings of the Ninth Symposium on Usable Privacy and Security
On mining mobile apps usage behavior for predicting apps usage in smartphones
Proceedings of the 22nd ACM international conference on Conference on information & knowledge management
Understanding the process of learning touch-screen mobile applications
Proceedings of the 31st ACM international conference on Design of communication
Targeted and depth-first exploration for systematic testing of android apps
Proceedings of the 2013 ACM SIGPLAN international conference on Object oriented programming systems languages & applications
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While applications for mobile devices have become extremely important in the last few years, little public information exists on mobile application usage behavior. We describe a large-scale deployment-based research study that logged detailed application usage information from over 4,100 users of Android-powered mobile devices. We present two types of results from analyzing this data: basic descriptive statistics and contextual descriptive statistics. In the case of the former, we find that the average session with an application lasts less than a minute, even though users spend almost an hour a day using their phones. Our contextual findings include those related to time of day and location. For instance, we show that news applications are most popular in the morning and games are at night, but communication applications dominate through most of the day. We also find that despite the variety of apps available, communication applications are almost always the first used upon a device's waking from sleep. In addition, we discuss the notion of a virtual application sensor, which we used to collect the data.