Optimization of Query Expansion Source in Formal Concept Analysis.
Chang WangYajun DuPeiying ZhangPublished in: J. Convergence Inf. Technol. (2010)
Keyphrases
- query expansion
- formal concept analysis
- concept lattice
- information retrieval systems
- information retrieval
- formal concepts
- galois lattices
- relevance feedback
- retrieval effectiveness
- pseudo relevance feedback
- language model
- relevant documents
- text retrieval
- hierarchical structure
- interactive query expansion
- query terms
- original query
- automatic query expansion
- retrieval model
- biomedical information retrieval
- retrieved documents
- data mining
- document collections
- itemsets
- association rules
- relevance model
- data sets
- association rule mining
- data points
- feature space
- web pages