6974 search results - page 245 / 1395 » Querying Semi-Structured Data |
170
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ICDM
2007
IEEE
16 years 28 days ago
2007
IEEE
Data security is a critical issue for many organizations. Sensitive data must be protected from both inside and outside attackers. Access control policies and related mechanisms h...
233
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ICDE
2009
IEEE
15 years 4 months ago
2009
IEEE
There is much effort to develop comprehensive support for the storage and querying of XML data in database management systems. The major developers have extended their systems to h...
184
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SODA
2000
ACM
15 years 8 months ago
2000
ACM
Most research in algorithms for geometric query problems has focused on their worstcase performance. However, when information on the query distribution is available, the alternat...
225
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ALENEX
2008
15 years 7 months ago
2008
We present the algorithmic core of a full text data base that allows fast Boolean queries, phrase queries, and document reporting using less space than the input text. The system ...
156
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GI
2010
Springer
15 years 5 months ago
2010
Springer
: Information needs like searching scientific literature that involve high recall rates are difficult to satisfy with ad hoc keyword search. We propose to state queries implicitl...