A Knowledge-Based Approach for Answering Fuzzy Queries over Relational Databases.
Z. M. MaXiangfu MengPublished in: KES (2) (2008)
Keyphrases
- relational databases
- answering queries
- database
- query language
- flexible querying
- relational database management systems
- high level query language
- query processing
- fuzzy sets
- relational database systems
- fuzzy logic
- web search engines
- normal form
- null values
- imprecise data
- query evaluation
- fuzzy rules
- object oriented
- data model
- relational tables
- range queries
- response time
- sql queries
- imprecise information
- databases
- efficient processing
- query formulation
- xml databases
- relational model
- relational data
- query answering
- membership functions
- range aggregate queries
- fuzzy clustering
- multi criteria
- complex queries
- search engine
- data objects
- aggregate queries
- keyword search
- xml documents
- xml data
- database objects
- database systems
- information retrieval systems
- approximate answers
- retrieval systems
- data dependencies
- functional dependencies
- inverted index
- query logs