Searchers' selection of search keys: II. Controlled vocabulary or free-text searching.
Raya FidelPublished in: J. Am. Soc. Inf. Sci. (1991)
Keyphrases
- controlled vocabulary
- free text
- search strategies
- information extraction
- natural language processing
- national library of medicine
- metadata
- structured data
- semi structured
- string matching
- medical records
- journal articles
- information retrieval systems
- automatic indexing
- semantic technologies
- medical literature
- information retrieval
- gene ontology
- wordnet
- social media
- patient records
- relational databases
- natural language
- search engine
- machine learning
- medical subject headings