Query modification in object-oriented database federations

Mark W.W. Vermeer, Peter M.G. Apers

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Abstract

We discuss the modification of queries against an integrated view in a federation of object-oriented databases. We present a generalisation of existing algorithms for simple global query processing that works for arbitrarily defined integration classes. We then extend this algorithm to deal with object-oriented features such as queries involving path expressions and nesting. We show how properties of the OO-style of modelling relationships through object references can be exploited to reduce the number of subqueries necessary to evaluate such queries
Original languageEnglish
Title of host publicationProceedings of the Second IFCIS International Conference on Cooperative Information Systems (CoopIS 1997)
Place of PublicationWashington, DC, USA
PublisherIEEE Computer Society
Pages193-202
Number of pages10
ISBN (Print)0-8186-7946-8
DOIs
Publication statusPublished - Jun 1997
EventSecond IFCIS International Conference on Cooperative Information Systems, COOPIS 1997 - Charleston, SC, USA
Duration: 24 Jun 199727 Jun 1997

Conference

ConferenceSecond IFCIS International Conference on Cooperative Information Systems, COOPIS 1997
Period24/06/9727/06/97
OtherJune 24-27, 1997

Keywords

  • METIS-119902
  • EWI-7349
  • DB-DFDB: DISTRIBUTED OR FEDERATED DATABASES
  • IR-19379

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