نتایج جستجو برای: disjunctive graph

تعداد نتایج: 200651  

Journal: :ACM Transactions on Database Systems 2016

Journal: :Theory and Practice of Logic Programming 2015

1998
Oliver M. Duschka Michael R. Genesereth

We examine the query planning problem in information integration systems in the presence of sources that contain disjunctive information. We show that datalog, the language of choice for representing query plans in information integration systems, is not sufficiently expressive in this case. We prove that disjunctive datalog with inequality is sufficiently expressive, and present a construction...

Journal: :Journal of Experimental Child Psychology 1969

Journal: :Discrete Applied Mathematics 2015

Journal: :Artificial Intelligence 2012

Journal: :Artificial Intelligence for Engineering Design, Analysis and Manufacturing 1997

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