An empirical study of query expansion and cluster-based retrieval in language modeling approach.
Seung-Hoon NaIn-Su KangJi-Eun RohJong-Hyeok LeePublished in: Inf. Process. Manag. (2007)
Keyphrases
- query expansion
- language modeling
- retrieval model
- language model
- information retrieval systems
- retrieval effectiveness
- information retrieval
- relevance feedback
- text retrieval
- ad hoc retrieval
- pseudo relevance feedback
- expansion terms
- expert finding
- cross lingual
- original query
- query terms
- relevant documents
- pseudo feedback
- document ranking
- term frequency
- term weighting
- document retrieval
- relevance model
- document level
- term dependencies
- sentence retrieval
- retrieved documents
- word segmentation
- average precision
- retrieval framework
- test collection
- n gram
- query specific
- image retrieval