Knowledge-Preserving Certain Answers for SQL-like Queries.
Etienne ToussaintPaolo GuagliardoLeonid LibkinPublished in: KR (2020)
Keyphrases
- query language
- database queries
- database
- domain knowledge
- query processing
- knowledge base
- relational database systems
- query evaluation
- relational databases
- recursive queries
- relational database management systems
- knowledge management
- user queries
- databases
- complex queries
- natural language questions
- sql queries
- cd rom
- relational algebra
- range queries
- data types
- web search engines
- data sources
- data model
- correct answers
- answer questions
- execution plan
- database systems
- sql statements
- information retrieval