Using hybrid methods and 'core documents' for the representation of clusters and topics: the astronomy dataset.
Wolfgang GlänzelBart ThijsPublished in: Scientometrics (2017)
Keyphrases
- document clusters
- document clustering
- information retrieval
- document set
- text documents
- document collections
- relevant documents
- web documents
- database
- information retrieval systems
- keyphrases
- metadata
- topic modeling
- keywords
- newspaper articles
- clustering algorithm
- high dimensional datasets
- relevance assessments
- text corpora
- synthetic datasets
- document classification
- related documents
- test collection
- xml documents
- data points
- semantic space
- topic detection
- related topics
- latent topics
- document retrieval
- topic discovery
- image representation
- topic hierarchy
- scientific literature
- news articles
- query terms
- retrieval systems
- digital libraries