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A data stream language and system designed for power and extensibility

Published: 06 November 2006 Publication History

Abstract

By providing an integrated and optimized support for user-defined aggregates (UDAs), data stream management systems (DSMS) can achieve superior power and generality while preserving compatibility with current SQL standards. This is demonstrated by the Stream Mill system that, through is Expressive Stream Language (ESL), efficiently supports a wide range of applications - including very advanced ones such as data stream mining, streaming XML processing, time-series queries, and RFID event processing. ESL supports physical and logical windows (with optional slides and tumbles) on both built-in aggregates and UDAs, using a simple framework that applies uniformly to both aggregate functions written in an external procedural languages and those natively written in ESL. The constructs introduced in ESL extend the power and generality of DSMS, and are conducive to UDA-specific optimization and efficient execution as demonstrated by several experiments.

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    cover image ACM Conferences
    CIKM '06: Proceedings of the 15th ACM international conference on Information and knowledge management
    November 2006
    916 pages
    ISBN:1595934332
    DOI:10.1145/1183614
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Published: 06 November 2006

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    1. data stream
    2. data stream management system
    3. query language

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    CIKM06: Conference on Information and Knowledge Management
    November 6 - 11, 2006
    Virginia, Arlington, USA

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