An Effective Term-Ranking Function for Query Expansion Based on Information Foraging Assessment.
Ilyes KhennakHabiba DriasHadia MosteghanemiPublished in: MIKE (2014)
Keyphrases
- query expansion
- ranking scheme
- ranking functions
- query terms
- pseudo feedback
- retrieval effectiveness
- pseudo relevance feedback
- information retrieval
- information retrieval systems
- information foraging
- document retrieval
- relevance model
- relevance feedback
- language modeling
- learning to rank
- language model
- text retrieval
- relevant documents
- web search engines
- real valued
- ranking algorithm
- retrieval model
- original query
- ad hoc retrieval
- term frequency
- relevance judgments
- retrieved documents
- document collections
- query dependent
- web search
- training set
- digital libraries