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Optimising mediator queries to distributed engineering systems
Uppsala University.
2004 (English)In: Database systems for advanced applications: 9th international conference, DASFAA 2004, Jeju Island, Korea, March 17-19, 2003 : proceedings / [ed] YoonJoon Lee, Berlin: Encyclopedia of Global Archaeology/Springer Verlag, 2004, p. 469-475Conference paper, Published paper (Refereed)
Abstract [en]

Data and computations of a CAD system have been wrapped by a mediator system using CORBA's IIOP Protocol. This allows ad hoc declarative mediator queries to be translated into optimised execution plans sending dynamic IIOP messages to a CAD server. Queries may call computational methods provided only by the CAD system. Dynamic query re-optimisation taking into account what data is currently materialised in the mediator substantially improves the performance compared to static optimisation, despite the added optimisation time. The approach provides both increased flexibility and efficiency compared to the conventional navigational use of CORBA-based CAD interfaces. Furthermore, CAD independences is provided since transparent queries and views can be defined over different CAD systems

Place, publisher, year, edition, pages
Berlin: Encyclopedia of Global Archaeology/Springer Verlag, 2004. p. 469-475
Series
Lecture Notes in Computer Science, ISSN 0302-9743 ; 2973
National Category
Other Mechanical Engineering
Research subject
Computer Aided Design
Identifiers
URN: urn:nbn:se:ltu:diva-26954DOI: 10.1007/978-3-540-24571-1_43Local ID: 03a09ab0-62b2-11dc-ac97-000ea68e967bISBN: 3-540-21047-4 (print)OAI: oai:DiVA.org:ltu-26954DiVA, id: diva2:1000135
Conference
International Conference on Database Systems for Advanced Applications : 17/03/2004 - 19/03/2004
Note
Validerad; 2004; 20070914 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Publisher's full texthttp://aitrc.kaist.ac.kr/~dasfaa04/

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Nyström, Mattias

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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