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Distributed Structural and Value XML Filtering

Many XML filtering systems have emerged in recent years identifying XML data that structurally match XPath queries in an efficient way. However, apart from structural matching, it is considered equally important to deal with valuebased predicates. In this paper, we propose methods to combine both structural and value XML filtering in a distributed environment based on distributed hash tables. Structural matching is performed using automata, while we study different methods for evaluating value-based predicates. As a result, our algorithms scale in both the size of the query set and the number of the predicates per query. We perform an experimental evaluation and demonstrate the strengths and weaknesses of the proposed methods in both a controlled environment of a cluster and on a real testbed provided by the PlanetLab network.

Iris Miliaraki, Manolis Koubarakis, "Distributed Structural and Value XML Filtering ", 4th ACM International Conference on Distributed Event-Based Systems (DEBS 2010), Cambridge, United Kingdom, July 12-15, 2010
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4th ACM International Conference on Distributed Event-Based Systems, Cambridge, United Kingdom, July 12-15
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