Query Graphs, Implementing Trees, and Freely-Reorderable Outerjoins.
Arnon RosenthalCésar A. Galindo-LegariaPublished in: SIGMOD Conference (1990)
Keyphrases
- database
- query evaluation
- query processing
- flow graphs
- query formulation
- response time
- relevance feedback
- databases
- reachability queries
- decision trees
- result set
- graph matching
- query expansion
- user queries
- tree structure
- data sources
- data structure
- user interaction
- retrieval systems
- information retrieval systems
- graph theory
- graph mining
- graph model
- data model
- relational databases
- efficient processing
- information retrieval
- proximity graph