Improving search over Electronic Health Records using UMLS-based query expansion through random walks.
David MartínezArantxa OtegiAitor SoroaEneko AgirrePublished in: J. Biomed. Informatics (2014)
Keyphrases
- improving search
- random walk
- electronic health records
- query expansion
- clinical data
- information retrieval systems
- retrieval effectiveness
- medical records
- clinical trials
- free text
- health care
- language model
- information retrieval
- medical data
- markov chain
- relevance feedback
- query terms
- retrieval model
- biomedical literature
- relevant documents
- domain experts
- domain specific
- domain knowledge
- association rules
- website