Concept-Based Relevance Models for Medical and Semantic Information Retrieval.
Chunye WangRamakrishna AkellaPublished in: CIKM (2015)
Keyphrases
- relevance model
- information retrieval
- language model
- vector space model
- language modeling
- ad hoc retrieval
- query expansion
- semantic information
- document retrieval
- semantic similarity
- pseudo relevance feedback
- context dependent
- information retrieval systems
- document ranking
- topic detection and tracking
- retrieval model
- relevance feedback
- retrieval effectiveness
- test collection
- document collections
- high level
- tf idf
- natural language
- search engine
- relevant documents
- information extraction
- domain knowledge
- low level features
- wordnet
- keywords
- machine translation
- text categorization
- probabilistic model