Cohort Discovery with Unified Medical Language System Query Expansion.
Robert J. FawcettAhmad S. HalwaniKyle R. HansenVikas V. PatilKelli M. RasmussenDaphne FriedmanAndrew PostPublished in: AMIA (2021)
Keyphrases
- query expansion
- information retrieval systems
- retrieval effectiveness
- information retrieval
- language modeling
- language model
- text retrieval
- automatic query expansion
- retrieval model
- pseudo relevance feedback
- natural language
- relevance feedback
- ad hoc retrieval
- original query
- query expansion methods
- ranked retrieval
- improving search
- relevant documents
- machine learning
- training set
- knowledge discovery
- vocabulary mismatch
- query disambiguation
- web corpora
- probabilistic model
- trec genomics track
- retrieved documents
- context dependent
- document retrieval