Effects of Document Clustering in Modeling Wikipedia-style Term Descriptions.
Atsushi FujiiYuya FujiiTakenobu TokunagaPublished in: LREC (2012)
Keyphrases
- document clustering
- document representation
- document collections
- external knowledge
- cosine similarity
- clustering algorithm
- vector space model
- tf idf
- text mining
- negative matrix factorization
- topic detection
- clustering method
- text documents
- k means
- information retrieval
- document clusters
- document corpus
- artificial intelligence
- latent semantic indexing
- document retrieval
- query terms
- relevant documents
- language model
- natural language processing
- information extraction
- knowledge discovery
- tolerance rough set