Using Semantic Classes as Document Keywords.
Rubén IzquierdoArmando SuárezGerman RigauPublished in: NLDB (2011)
Keyphrases
- keywords
- semantic classes
- keyword extraction
- semantic knowledge
- text documents
- retrieved documents
- semantic information
- relevant documents
- web documents
- search engine
- named entities
- user queries
- text processing
- information retrieval systems
- document retrieval
- information retrieval
- text mining
- part of speech
- document classification
- artificial intelligence
- web pages
- retrieval systems
- retrieval effectiveness
- keyword search
- document clustering
- multimedia
- tf idf
- information sources
- knowledge representation
- co occurrence
- data mining
- knowledge based systems
- document collections