KISTI at CLEF eHealth 2017 Patient-Centered Information Retrieval Task-1: Improving Medical Document Retrieval with Query Expansion.
Heung-Seon OhYuchul JungPublished in: CLEF (Working Notes) (2017)
Keyphrases
- query expansion
- document retrieval
- language model
- pseudo relevance feedback
- information retrieval
- document ranking
- relevance feedback
- relevant documents
- passage retrieval
- retrieval model
- query terms
- text retrieval
- retrieval effectiveness
- language modeling
- information retrieval systems
- blind feedback
- cross language
- spreading activation
- relevance model
- document collections
- retrieved documents
- expansion terms
- ad hoc retrieval
- keywords
- database systems
- information extraction
- query translation
- document level
- retrieval process
- information seeking
- test collection
- automatic query expansion