Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/11077
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dc.contributor.authorGILLIS, Joris-
dc.contributor.authorVAN DEN BUSSCHE, Jan-
dc.date.accessioned2010-08-09T09:00:43Z-
dc.date.availableNO_RESTRICTION-
dc.date.available2010-08-09T09:00:43Z-
dc.date.issued2010-
dc.identifier.citationDe Raedt, Luc (Ed.) Inductive Logic Programming: vol. 1. p. 25-33.-
dc.identifier.isbn9783642138393-
dc.identifier.issn0302-9743-
dc.identifier.urihttp://hdl.handle.net/1942/11077-
dc.description.abstractWe consider the induction of relational algebra expressions from examples consisting of a relational database and an output relation. This problem fits perfectly in the ILP context but has not been investigated in specific detail. We discuss the importance of negation (difference, complementation, universal quantification), propose a new heuristic to take complementation into account, and propose the use of cylindrical set algebra as a more flexible form for searching expressions. We present some modest experimental results which nevertheless show that our approach allows the induction of typical relational database queries involving universal quantification, such as Codd's relational division operator.-
dc.description.sponsorshipFWO Flanders-
dc.language.isoen-
dc.publisherSpringer-
dc.relation.ispartofseriesLecture Notes in Computer Science-
dc.subject.otherinduction machine learning database query-
dc.titleInduction of Relational Algebra Expressions-
dc.typeProceedings Paper-
dc.bibliographicCitation.bvolume1-
local.bibliographicCitation.authorsDe Raedt, Luc-
local.bibliographicCitation.conferencename19th International Conference on Inductive Logic Programming-
local.bibliographicCitation.conferenceplaceLeuven July 2-4 2010-
dc.identifier.epage33-
dc.identifier.spage25-
local.bibliographicCitation.jcatC1-
local.type.refereedRefereed-
local.type.specifiedProceedings Paper-
local.relation.ispartofseriesnr5989-
dc.bibliographicCitation.oldjcatC1-
dc.identifier.doi10.1007/978-3-642-13840-9_4-
dc.identifier.isi000286783400004-
local.bibliographicCitation.btitleInductive Logic Programming-
item.accessRightsOpen Access-
item.fullcitationGILLIS, Joris & VAN DEN BUSSCHE, Jan (2010) Induction of Relational Algebra Expressions. In: De Raedt, Luc (Ed.) Inductive Logic Programming: vol. 1. p. 25-33..-
item.contributorGILLIS, Joris-
item.contributorVAN DEN BUSSCHE, Jan-
item.fulltextWith Fulltext-
item.validationecoom 2012-
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