Keyphrases
- information science
- scientific literature
- medical subject headings
- scientific articles
- journal articles
- text mining
- computer science
- social sciences
- national library of medicine
- biomedical literature
- digital libraries
- metadata
- web based learning
- homeland security
- physical sciences
- machine learning
- information retrieval
- medical literature
- google scholar
- graduate school
- controlled vocabulary
- emergency response
- graduate students
- information integration
- information extraction
- search engine