Factored MDPs for detecting topics of user sessions.
Maryam TavakolUlf BrefeldPublished in: RecSys (2014)
Keyphrases
- factored mdps
- user sessions
- context specific
- markov decision processes
- state space
- website
- user behavior
- algebraic decision diagrams
- approximate dynamic programming
- web usage mining
- log data
- web pages
- web users
- information retrieval
- stochastic processes
- markov decision problems
- web server
- keywords
- search engine
- basis functions
- web logs
- policy iteration
- usage data
- user interaction
- markov chain
- planning under uncertainty
- information extraction