Building an Ontology Based on Hub Words for Information Retrieval.
Sang Ok KooSoo Yeon LimSang-Jo LeePublished in: Web Intelligence (2003)
Keyphrases
- information retrieval
- text mining
- text documents
- n gram
- document collections
- information retrieval systems
- query expansion
- search engine
- measuring semantic similarity
- tf idf
- language model
- management system
- spoken document retrieval
- keywords
- test collection
- retrieval systems
- document retrieval
- learning to rank
- vector space model
- linguistic information
- related words