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Tractability of quantified temporal constraints to the max
Technical University of Dresden, Germany.
University of Basque Country, Spain; Basque Fdn Science, Spain.
Linköping University, Department of Computer and Information Science, Software and Systems. Linköping University, The Institute of Technology.
2014 (English)In: International journal of algebra and computation, ISSN 0218-1967, Vol. 24, no 8, 1141-1156 p.Article in journal (Refereed) Published
Abstract [en]

A temporal constraint language is a set of relations that are first-order definable over (Q; less than). We show that several temporal constraint languages whose constraint satisfaction problem is maximally tractable are also maximally tractable for the more expressive quantified constraint satisfaction problem. These constraint languages are defined in terms of preservation under certain binary polymorphisms. We also present syntactic characterizations of the relations in these languages.

Place, publisher, year, edition, pages
World Scientific Publishing , 2014. Vol. 24, no 8, 1141-1156 p.
Keyword [en]
Highly set-transitive structures; constraint satisfaction problems; temporal constraint languages; max-closed constraints; quantified constraint satisfaction
National Category
Computer and Information Science
Identifiers
URN: urn:nbn:se:liu:diva-114258DOI: 10.1142/S0218196714500507ISI: 000348199500004OAI: oai:DiVA.org:liu-114258DiVA: diva2:788596
Note

Funding Agencies|European Research Council Under the European Community [257039]; Swedish Research Council (VR) [621-2012-3239]; Spanish project [TIN2013-46181-C2-2-R]; Basque project [GIU12/26]; Basque grant [UFI11/45]

Available from: 2015-02-16 Created: 2015-02-16 Last updated: 2017-12-04

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Wrona, Michal

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