Contextual information retrieval using a graph model of a sentence and rough sets.
Zbigniew M. WójcikPublished in: Appl. Artif. Intell. (1987)
Keyphrases
- rough sets
- graph model
- information retrieval
- vector space model
- rough set theory
- language model
- fuzzy sets
- decision rules
- dominance relation
- contextual information
- information retrieval systems
- rough sets theory
- document collections
- bipartite graph
- information extraction
- search engine
- granular computing
- retrieval model
- data mining
- natural language
- data analysis
- test collection
- query expansion
- text mining
- neural network
- fuzzy logic
- weighted graph
- continuous valued attributes
- data structure
- approximation spaces
- association rules
- knowledge discovery
- semantic similarity
- relevance feedback
- document retrieval
- relevant documents