Schloss Dagstuhl - Leibniz-Zentrum für Informatik GmbH Schloss Dagstuhl - Leibniz-Zentrum für Informatik GmbH scholarly article en Marx, Maximilian; Krötzsch, Markus https://www.dagstuhl.de/lipics License: Creative Commons Attribution 4.0 license (CC BY 4.0)
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URN: urn:nbn:de:0030-drops-158876
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Tuple-Generating Dependencies Capture Complex Values

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Abstract

We formalise a variant of Datalog that allows complex values constructed by nesting elements of the input database in sets and tuples. We study its complexity and give a translation into sets of tuple-generating dependencies (TGDs) for which the standard chase terminates on any input database. We identify a fragment for which reasoning is tractable. As membership is undecidable for this fragment, we develop decidable sufficient conditions.

BibTeX - Entry

@InProceedings{marx_et_al:LIPIcs.ICDT.2022.13,
  author =	{Marx, Maximilian and Kr\"{o}tzsch, Markus},
  title =	{{Tuple-Generating Dependencies Capture Complex Values}},
  booktitle =	{25th International Conference on Database Theory (ICDT 2022)},
  pages =	{13:1--13:20},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-223-5},
  ISSN =	{1868-8969},
  year =	{2022},
  volume =	{220},
  editor =	{Olteanu, Dan and Vortmeier, Nils},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/opus/volltexte/2022/15887},
  URN =		{urn:nbn:de:0030-drops-158876},
  doi =		{10.4230/LIPIcs.ICDT.2022.13},
  annote =	{Keywords: terminating standard chase, existential rules, Datalog, complexity}
}

Keywords: terminating standard chase, existential rules, Datalog, complexity
Seminar: 25th International Conference on Database Theory (ICDT 2022)
Issue date: 2022
Date of publication: 19.03.2022
Supplementary Material: Audiovisual (Video of the Presentation): https://doi.org/10.5446/57489


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