2652 search results - page 279 / 531 » When Information Improves Information Security |
166
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VLDB
2005
ACM
16 years 6 days ago
2005
ACM
Cost-based query optimizers need to estimate the selectivity of conjunctive predicates when comparing alternative query execution plans. To this end, advanced optimizers use multi...
203
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BMCBI
2007
15 years 6 months ago
2007
Background: In the analysis of networks we frequently require the statistical significance of some network statistic, such as measures of similarity for the properties of interact...
278
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ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
There has been a great deal of work in recent years on processing and optimizing queries against XML data. Typically in these previous works, schema information is not considered,...
178
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JCDL
2005
ACM
16 years 9 days ago
2005
ACM
As an increasing number of digital library projects embrace the harvesting of item-level descriptive metadata, issues of description granularity and concerns about potential loss ...
177
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SIGIR
2005
ACM
16 years 9 days ago
2005
ACM
We describe a task-based evaluation to determine whether multi-document summaries measurably improve user performance when using online news browsing systems for directed research...