Keyphrases
- feature extraction
- location based social networks
- user preferences
- social networking
- personalized recommendation
- location based services
- collaborative recommendation
- recommendation algorithms
- spreading activation
- recommender systems
- user profiles
- user generated
- semantic information
- personalized services
- collaborative filtering
- semantic knowledge
- information filtering
- face recognition
- user interests
- social networks
- user behavior
- user profiling
- feature vectors
- mobile devices
- online social networks
- feature space
- wireless sensor networks
- personalized information