2228 search results - page 112 / 446 » On Database Theory and XML |
216
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DASFAA
2008
IEEE
15 years 8 months ago
2008
IEEE
An important issue arising from XML query relaxation is how to efficiently search the top-k best answers from a large number of XML data sources, while minimizing the searching cos...
130
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ICDT
1990
ACM
15 years 10 months ago
1990
ACM
Ordinary logical implication is not enough for answering queries in a logic database, since especially negative information is only implicitly represented in the database state. M...
162
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BTW
2005
Springer
15 years 11 months ago
2005
Springer
: XML has emerged as the industry standard for representing and exchanging data and is already predominant in several applications today. Business, analytic and structered data wil...
273
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ICDE
2006
IEEE
16 years 7 months ago
2006
IEEE
We present ACXESS (Access Control for XML with Enhanced Security Specifications), a system for specifying and enforcing enhanced security constraints on XML via virtual "secu...
153
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DASFAA
2009
IEEE
16 years 1 months ago
2009
IEEE
Current streaming applications have stringent requirements on query response time and memory consumption because of the large (possibly unbounded) size of data they handle. Further...