An Extension of Datalog for Graph Queries.
Mirjana MazuranEdoardo SerraCarlo ZanioloPublished in: SEBD (2012)
Keyphrases
- query language
- query evaluation
- deductive databases
- expressive power
- database
- datalog queries
- database query languages
- graph theory
- query processing
- relational algebra
- relational calculus
- graph model
- database queries
- relational query languages
- data model
- answering queries
- query answering
- random walk
- web search engines
- structured data
- response time
- retrieval systems
- probabilistic databases
- tree patterns
- graph representation
- range queries
- graph structure
- conjunctive queries
- query containment
- query graph
- language model
- user queries
- reachability queries
- containment of conjunctive queries
- logic programming