1487 search results - page 103 / 298 » Representing and Querying Data Transformations |
131
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VLDB
2005
ACM
15 years 7 months ago
2005
ACM
Developing cost models for query optimization is significantly harder for XML queries than for traditional relational queries. The reason is that XML query operators are much mor...
214
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SIGMOD
2007
ACM
16 years 1 months ago
2007
ACM
Translating data and data access operations between applications and databases is a longstanding data management problem. We present a novel approach to this problem, in which the...
147
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DEXA
2006
Springer
15 years 5 months ago
2006
Springer
Abstract. Finding all occurrences of a twig pattern in an XML document is a core operation for XML query processing. The emergence of XML as a common mark-up language for data inte...
136
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ICDE
2009
IEEE
14 years 11 months ago
2009
IEEE
Many real world applications such as sensor networks and other monitoring applications naturally generate probabilistic streams that are highly correlated in both time and space. ...
251
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DLOG
2011
14 years 5 months ago
2011
In this paper we present a formal framework and tool supporting the user in the task of formulating a precise query – which best captures their information needs – even in the ...