A formal concept analysis and semantic query expansion cooperation to refine health outcomes of interest.
Olivier C. CuréHenri MaurerNigam H. ShahPaea LePenduPublished in: BMC Medical Informatics Decis. Mak. (2015)
Keyphrases
- query expansion
- formal concept analysis
- concept lattice
- retrieval effectiveness
- formal concepts
- information retrieval systems
- galois lattices
- information retrieval
- language model
- automatic query expansion
- pseudo relevance feedback
- text retrieval
- relevant documents
- query terms
- retrieval model
- relevance feedback
- original query
- semantic information
- relevance model
- itemsets
- semantic network
- knowledge discovery
- hierarchical structure
- retrieved documents
- nearest neighbor
- semantic similarity
- text categorization
- rough set theory
- high dimensional
- natural language
- biomedical information retrieval
- search engine