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Institutional Repository [SANDBOX]
Technical University of Crete
Technical University of Crete
EN
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EL
| URI: | http://purl.tuc.gr/dl/dias/CF93D4A3-48CE-4E5F-9895-4144605C8526 | ||
| Year | 2005 | ||
| Type of Item | Peer-Reviewed Journal Publication | ||
| License |
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| Bibliographic Citation | G. Cormode and M. Garofalakis, "Efficient strategies for continuous distributed tracking tasks", IEEE Data Engineering Bulletin, vol. 28, no. 1, pp. 33-39, March 2005. | ||
| Appears in Collections |
While traditional databases have focused on single query evaluation in a centralized setting, emerging applications require continuous tracking of queries on data that is widely distributed and constantly updated. We describe such scenarios, and describe the challenges involved in designing communication-efficient protocols for the tracking tasks we define. We outline some solutions to these problems, by abstracting a model of the communication system, defining the tracking tasks of interest, and building query-tracking schemes based on three guiding principles of minimizing global information, using summaries to capture whole data streams, and seeking stability of the protocols.
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