Mining dependency relations for query expansion in passage retrieval.
Renxu SunChai-Huat OngTat-Seng ChuaPublished in: SIGIR (2006)
Keyphrases
- query expansion
- passage retrieval
- dependency relations
- language model
- pseudo relevance feedback
- information retrieval systems
- document retrieval
- question answering
- information retrieval
- retrieval model
- document ranking
- retrieval effectiveness
- language modeling
- relevant documents
- relevance model
- text retrieval
- ad hoc retrieval
- relevance feedback
- short queries
- sentence retrieval
- data mining
- audio visual
- text mining
- semantic relations
- query terms
- image understanding
- retrieved documents
- semantic relatedness
- artificial intelligence