Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/712
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dc.contributor.authorVAN DEN BUSSCHE, Jan-
dc.contributor.authorBiskup, Joachim-
dc.contributor.authorParedaens, Jan-
dc.contributor.authorSchwentick, Thomas-
dc.date.accessioned2005-04-11T15:06:28Z-
dc.date.available2005-04-11T15:06:28Z-
dc.date.issued2004-
dc.identifier.citationSIAM Journal on Computing, 33(5). p. 1052-1066-
dc.identifier.issn0097-5397-
dc.identifier.urihttp://hdl.handle.net/1942/712-
dc.description.abstractEnumerating all solutions of a relational algebra equation is a natural and powerful operation which, when added as a query language primitive to the nested relational algebra, yields a query language for nested relational databases, equivalent to the well-known powerset algebra. We study sparse equations, which are equations with at most polynomially many solutions. We look at their complexity and compare their expressive power with that of similar notions in the powerset algebra.-
dc.format.extent215703 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoen-
dc.publisherSIAM-
dc.titleSolving equations in the relational algebra-
dc.typeJournal Contribution-
dc.identifier.epage1066-
dc.identifier.issue5-
dc.identifier.spage1052-
dc.identifier.volume33-
local.bibliographicCitation.jcatA1-
local.type.refereedRefereed-
local.type.specifiedArticle-
dc.bibliographicCitation.oldjcatA1-
dc.identifier.doi10.1137/S0097539701390859-
dc.identifier.isi000223259500003-
item.accessRightsOpen Access-
item.fullcitationVAN DEN BUSSCHE, Jan; Biskup, Joachim; Paredaens, Jan & Schwentick, Thomas (2004) Solving equations in the relational algebra. In: SIAM Journal on Computing, 33(5). p. 1052-1066.-
item.fulltextWith Fulltext-
item.validationecoom 2005-
crisitem.journal.issn0097-5397-
crisitem.journal.eissn1095-7111-
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