Integrating Query Context and User Context in an Information Retrieval Model Based on Expanded Language Modeling.
Rachid AknoucheOunas AsfariFadila BentayebOmar BoussaidPublished in: CD-ARES (2012)
Keyphrases
- language modeling
- user context
- relevance model
- information retrieval
- language model
- query expansion
- contextual information
- context aware
- retrieval model
- improvements in retrieval effectiveness
- context awareness
- user modeling
- relevance feedback
- personalized search
- n gram
- statistical language modeling
- context sensitive
- language modeling framework
- probabilistic model
- information retrieval systems
- vector space model
- retrieval effectiveness
- query terms
- document length
- document retrieval
- user interaction
- mobile users
- location information
- tf idf
- test collection
- mobile environments
- information extraction
- text classification
- search engine
- pseudo relevance feedback
- mobile devices
- query processing
- recommender systems
- digital libraries
- term frequency
- search queries
- vector space
- machine learning