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Dynamic Query Processing in DIOM.

Ling Liu, Calton Pu: Dynamic Query Processing in DIOM. IEEE Data Eng. Bull. 20(3): 30-37(1997)
@article{DBLP:journals/debu/LiuP97,
  author    = {Ling Liu and
               Calton Pu},
  title     = {Dynamic Query Processing in DIOM},
  journal   = {IEEE Data Eng. Bull.},
  volume    = {20},
  number    = {3},
  year      = {1997},
  pages     = {30-37},
  ee        = {db/journals/debu/LiuP97.html},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}
BibTeX

Abstract

In an open environment such as the Internet, query responsiveness involves both the capability of responding to a query within a reasonable time frame and the capability of dynamically incorporating the new information sources and the up to date information of existing data sources into the answer of a query. In this paper we present the dynamic distributed query processing framework, developed in the DIOM project, to demonstrate the feasibility and the benefit of improving responsiveness of querying across heterogeneous information sources, without relying on an integrated global view schema pre-defined over all the participating information sources. Then we discuss several issues with respect to improving query responsiveness in the context of DIOM, including how the information consumers' queries are dynamically processed and linked to the relevant information sources, and how the query scheduling framework scales up in an environment where information sources accessible to users are constantly and rapidly changing, in their content, numbers, identity, and connectivity.

Copyright © 1997 by The Institute of Electrical and Electronic Engineers, Inc. (IEEE). Abstract used with permission.

ACM SIGMOD Anthology

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Data Engineering Bulletin September 1997: Improving Query Responsiveness (Michael Franklin, ed.)
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References

[1]
Laurent Amsaleg, Michael J. Franklin, Anthony Tomasic, Tolga Urhan: Scrambling Query Plans to Cope With Unexpected Delays. PDIS 1996: 208-219 BibTeX
[2]
Laura M. Haas, Donald Kossmann, Edward L. Wimmers, Jun Yang: Optimizing Queries Across Diverse Data Sources. VLDB 1997: 276-285 BibTeX
[3]
Joseph M. Hellerstein, Peter J. Haas, Helen J. Wang: Online Aggregation. SIGMOD Conference 1997: 171-182 BibTeX
[4]
...
[5]
Ling Liu, Calton Pu: An Adaptive Object-Oriented Approach to Integration and Access of Heterogeneous Information Sources. Distributed and Parallel Databases 5(2): 167-205(1997) BibTeX
[6]
Ling Liu, Calton Pu: A Dynamic Query Scheduling Framework for Distributed and Evolving Information Systems. ICDCS 1997: 0- BibTeX
[7]
...
[8]
Yannis Papakonstantinou, Serge Abiteboul, Hector Garcia-Molina: Object Fusion in Mediator Systems. VLDB 1996: 413-424 BibTeX

Referenced by

  1. Ling Liu, Calton Pu, Wei Tang, David Buttler, John Biggs, Tong Zhou, Paul Benninghoff, Wei Han, Fenghua Yu: CQ: A Personalized Update Monitoring Toolkit. SIGMOD Conference 1998: 547-549
BibTeX
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