Improving Retrieval Effectiveness by Using Key Terms in Top Retrieved Documents.
Lingpeng YangDong-Hong JiGuodong ZhouNie YuPublished in: ECIR (2005)
Keyphrases
- retrieval effectiveness
- retrieved documents
- query terms
- expansion terms
- pseudo relevance feedback
- query expansion
- information retrieval systems
- relevant documents
- original query
- information retrieval
- retrieval model
- automatic query expansion
- test collection
- search terms
- average precision
- term weights
- retrieval systems
- document retrieval
- language model
- user queries
- term frequency
- co occurrence
- relevance feedback
- post retrieval
- relevance model
- document ranking
- term weighting
- ranked list
- query specific
- document collections
- short queries
- relevance judgments
- query difficulty
- relevance scores
- result list
- database systems