Bibliometric perspectives on medical innovation using the medical subject Headings of PubMed.
Loet LeydesdorffDaniele RotoloIsmael RàfolsPublished in: J. Assoc. Inf. Sci. Technol. (2012)
Keyphrases
- medical subject headings
- biomedical literature
- national library of medicine
- medical literature
- text mining
- automatic extraction
- protein protein interactions
- metadata
- knowledge management
- information retrieval
- semantic relationships
- data mining
- clustering algorithm
- information extraction
- text documents
- document clustering