Variable Precision Concepts and Its Applications for Query Expansion.
Fei HaoShengtong ZhongPublished in: ICIC (2) (2009)
Keyphrases
- query expansion
- variable precision
- knowledge structures
- decision table
- retrieval effectiveness
- information retrieval systems
- information retrieval
- text retrieval
- relevance feedback
- rough sets
- pseudo relevance feedback
- language model
- automatic query expansion
- reduction method
- original query
- relevant documents
- query terms
- decision trees
- retrieval model
- set valued
- interactive query expansion
- retrieved documents
- rough set theory
- knowledge representation
- attribute reduction
- dominance relation
- knowledge base
- feature selection
- machine learning
- data sets