Bibliographic coupling, common abstract stems and clustering: A comparison of two document-document similarity approaches in the context of science mapping.
Per AhlgrenBo JarnevingPublished in: Scientometrics (2008)
Keyphrases
- document similarity
- document clustering
- cosine similarity
- document representation
- clustering algorithm
- document collections
- k means
- text mining
- graph theory
- social annotations
- index terms
- relevance model
- contextual information
- distance measure
- digital libraries
- high level
- information retrieval
- retrieval systems
- latent dirichlet allocation
- information retrieval systems
- keywords
- search engine