517 search results - page 45 / 104 » Evaluating XPath Queries on XML Data Streams |
105
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BTW
2001
Springer
15 years 5 months ago
2001
Springer
Abstract. We propose a scaleable multi-user benchmark called XMach-1 (XML Data Management benchmark) for evaluating the performance of XML data management systems. It is based on a...
120
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ICDE
2006
IEEE
15 years 6 months ago
2006
IEEE
The window query model is widely used in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In this dissertation, ...
178
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SIGMOD
2005
ACM
16 years 22 days ago
2005
ACM
Window queries are proving essential to data-stream processing. In this paper, we present an approach for evaluating sliding-window aggregate queries that reduces both space and c...
206
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ICDE
2007
IEEE
16 years 1 months ago
2007
IEEE
Estimating the selectivity of queries is a crucial problem in database systems. Virtually all database systems rely on the use of selectivity estimates to choose amongst the many ...
125
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PODS
2002
ACM
16 years 21 days ago
2002
ACM
We consider conjunctive queries with arithmetic comparisons over multiple continuous data streams. We specify an algorithm for determining whether or not a query can be evaluated ...