A Study on Query Expansion Based on Topic Distributions of Retrieved Documents.
Midori SerizawaIchiro KobayashiPublished in: CICLing (2) (2013)
Keyphrases
- query expansion
- retrieved documents
- pseudo relevance feedback
- information retrieval systems
- retrieval effectiveness
- relevant documents
- language model
- relevance feedback
- automatic query expansion
- original query
- query specific
- expansion terms
- information retrieval
- document ranking
- query terms
- text retrieval
- language modeling
- user queries
- short queries
- post retrieval
- relevance model
- query translation
- average precision
- retrieval systems
- retrieval model
- meta search
- test collection
- initial query
- natural language processing
- probabilistic model
- digital libraries