Limit Datalog: A declarative query language for data analysis

Motivated by applications in declarative data analysis, we study DatalogZ-an extension of Datalog with stratified negation and arithmetics over integers. Reasoning in this language is undecidable, so we present a fragment, called limit DatalogZ, that is powerful enough to naturally capture many impo...

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Những tác giả chính: Grau, BC, Horrocks, I, Kaminski, M, Kostylev, EV, Motik, B
Định dạng: Journal article
Ngôn ngữ:English
Được phát hành: Association for Computing Machinery 2020