Topics in dynamic research communities: An exploratory study for the field of information retrieval.
Erjia YanYing DingStasa MilojevicCassidy R. SugimotoPublished in: J. Informetrics (2012)
Keyphrases
- information retrieval
- dynamic environments
- social networks
- information retrieval systems
- search engine
- text mining
- query expansion
- library and information science
- topic models
- topic modeling
- information access
- document retrieval
- scientific literature
- vector space model
- tf idf
- knowledge sharing
- test collection
- social scientists
- document collections
- open distributed systems