Supporting web query expansion efficiently using multi-granularity indexing and query processing.
Wen-Syan LiDivyakant AgrawalPublished in: Data Knowl. Eng. (2000)
Keyphrases
- query expansion
- multi granularity
- query disambiguation
- information retrieval systems
- information retrieval
- retrieval effectiveness
- dynamic integration
- text retrieval
- relevance feedback
- language model
- pseudo relevance feedback
- indexing and query processing
- multi user
- web applications
- retrieval model
- web documents
- relevant documents
- privacy protection
- web pages
- data mining
- query terms
- original query
- location aware
- automatic query expansion
- learning algorithm
- text categorization
- information sources
- user interface