Optimizing the region algebra is PSPACE-complete

DOI10.1016/J.IPL.2010.05.006zbMath1234.68134OpenAlexW2170148220MaRDI QIDQ765502

Frank Neven, Wouter Gelade

Publication date: 19 March 2012

Published in: Information Processing Letters (Search for Journal in Brave)

Full work available at URL: http://hdl.handle.net/1942/10916

zbMATH Keywords

computational complexitydatabasesregion algebra

Mathematics Subject Classification ID

Database theory (68P15) Computational difficulty of problems (lower bounds, completeness, difficulty of approximation, etc.) (68Q17)

Cites Work

• Algebras for querying text regions: Expressive power and optimization
• Attribute grammars for unranked trees as a query language for structured documents
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