Theoretical Computer Science · 2004 · 1.2K citations · 28 references
ComputingComputer ScienceInformation SystemsDatabasesKnowledge RepresentationSemanticsData ExchangeData IntegrationData ModelingDatabase ManagementQuery ProcessingRelational Data ModelData Exchange ProtocolsData Exchange StandardsQuery AnsweringSemantic Data InteroperabilitySemantic Question Answering
28
Maurizio Lenzerini · 2002 · 2.5K citations
The complexity of satisfiability problems
Thomas J. Schaefer · 1978 · 1.8K citations · Full text
Answering queries using views: A survey
Alon Halevy · The VLDB Journal · 2001 · 1.5K citations
Optimal implementation of conjunctive queries in relational data bases
Ashok K. Chandra, Philip M. Merlin · 1977 · 1.2K citations · Full text
The complexity of relational query languages (Extended Abstract)
Moshe Y. Vardi · 1982 · 1.2K citations
Computing, Computer Science, Algebra +16