995 search results - page 117 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
145
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EDBT
2006
ACM
16 years 3 months ago
2006
ACM
In this paper we present a novel approach for estimating the selectivity of XML twig queries. Such a technique is useful for approximate query answering as well as for determining...
159
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SIGMOD
2012
ACM
13 years 5 months ago
2012
ACM
In this demo, we will present Tiresias, the first how-to query engine. How-to queries represent fundamental data analysis questions of the form: “How should the input change in...
152
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CORR
2011
Springer
14 years 10 months ago
2011
Springer
—With the rise of XML as a standard for representing business data, XML data warehousing appears as a suitable solution for decision-support applications. In this context, it is ...
127
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SEBD
2007
15 years 4 months ago
2007
We consider the problem of query containment over an object data model derived from F-logic. F-logic has generated considerable interest commercially, in the academia, and within ...
208
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SIGMOD
2006
ACM
16 years 3 months ago
2006
ACM
Data streaming systems are becoming essential for monitoring applications such as financial analysis and network intrusion detection. These systems often have to process many simi...