610 search results - page 74 / 122 » Efficient Query Evaluation on Probabilistic Databases |
125
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DASFAA
2009
IEEE
15 years 4 months ago
2009
IEEE
We investigate the expressiveness of existing XML keyword search semantics and propose Meaningful Connected Network (MCN) as a new semantics to capture meaningful relationships of ...
124
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EDBT
2010
ACM
15 years 5 months ago
2010
ACM
The creation of a generic and modular query optimization and processing infrastructure can provide significant benefits to XML data management. Key pieces of such an infrastructur...
123
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SIGMOD
2004
ACM
16 years 24 days ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
249
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ICDE
2003
IEEE
16 years 2 months ago
2003
IEEE
This paper presents SPEX, a streamed and progressive evaluation of regular path expressions with XPath-like qualifiers against XML streams. SPEX proceeds as follows. An expression...
195
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ICDE
2007
IEEE
16 years 2 months ago
2007
IEEE
Skyline computation has many applications including multi-criteria decision making. In this paper, we study the problem of selecting k skyline points so that the number of points,...