Enhancing Text Document Clustering Using Non-negative Matrix Factorization and WordNet.
Chul-Won KimSun ParkPublished in: J. Inform. and Commun. Convergence Engineering (2013)
Keyphrases
- wordnet
- document clustering
- text documents
- text clustering
- co occurrence
- natural language processing
- external knowledge
- text data
- semantic information
- semantic relations
- word sense disambiguation
- document representation
- news articles
- semantic relatedness
- text mining
- text analysis
- semantic features
- lexical database
- knowledge base
- tf idf
- semantic similarity
- text collections
- keywords
- vector space model
- recognizing textual entailment
- artificial intelligence
- clustering quality
- information extraction
- cosine similarity
- document similarity
- document collections
- knowledge discovery
- automatic summarization