- Relational expressive power of constraint query languages
1998/01/01 by Michael Benedikt, Guozhu Dong, Leonid Libkin +1 · 1 citation
Computer Science · Mathematics · #Logic, Reasoning, and Knowledge #Advanced Database Systems and Queries #Semantic Web and Ontologies #Transitive closure #Relational calculus #Mathematics #Conjunctive query #Codd's theorem #Class (philosophy) #Semantics (computer science) #Query language #Domain (mathematical analysis) #Relational model #Relational database #Discrete mathematics #Computer science #Theoretical computer science #Programming language #Database #Artificial intelligence
- Universality of data retrieval languages
1979/01/01 by Alfred V. Aho, Jeffrey D. Ullman · 6 citations
Computer Science · Mathematics · #Advanced Database Systems and Queries #Data Management and Algorithms #Semantic Web and Ontologies #Relational algebra #Relational calculus #Computer science #Codd's theorem #Relational database #Query language #Conjunctive query #Relational model #Universality (dynamical systems) #Programming language #Algebra over a field #Information retrieval #Mathematics #Pure mathematics