Improvements on Query Term Expansion and Ranking Formula.
Kenji SatohSusumu AkamineAkitoshi OkumuraPublished in: TREC (1995)
Keyphrases
- verbose queries
- query terms
- ranked list
- retrieval model
- co occurrence
- language model
- relevance scores
- cross language information retrieval
- retrieval effectiveness
- relevance ranking
- retrieved documents
- information retrieval systems
- document retrieval
- result set
- query expansion
- query logs
- user queries
- ranking algorithm
- web search
- information retrieval
- ranking functions
- learning to rank
- test collection
- search queries
- query translation
- relevant documents
- document collections
- language modeling
- query topic
- search engine
- learning algorithm
- ad hoc information retrieval
- current search engines
- machine learning
- pseudo relevance feedback
- term frequency
- user feedback
- text retrieval
- multimedia