Query Expansion based on Central Tendency and PRF for Monolingual Retrieval.
Rekha VaidyanathanSujoy DasNamita SrivastavaPublished in: Int. J. Inf. Retr. Res. (2016)
Keyphrases
- query expansion
- pseudo relevance feedback
- query translation
- information retrieval systems
- retrieval effectiveness
- information retrieval
- language model
- monolingual retrieval
- expansion terms
- text retrieval
- language modeling
- relevance feedback
- cross lingual
- retrieved documents
- original query
- retrieval model
- relevant documents
- query expansion methods
- query terms
- average precision
- search logs
- relevance model
- training set
- digital libraries