Keyphrases
- mobile phone
- user profiles
- sensory data
- information filtering
- activity recognition
- user profiling
- user preferences
- user interests
- mobile devices
- sensor data
- mobile users
- recommender systems
- web mining
- collaborative filtering
- smart phones
- mobile technologies
- mobile phone users
- concept hierarchy
- mobile applications
- user model
- providing personalized
- personalized web search
- short messages
- attribute values
- computer vision
- information retrieval