716 search results - page 55 / 144 » Optimizing Queries in Extended Relational Databases |
169
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ICDE
2008
IEEE
16 years 19 days ago
2008
IEEE
We study the problem of computing query results with confidence values in ULDBs: relational databases with uncertainty and lineage. ULDBs, which subsume probabilistic databases, o...
170
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ICDE
2007
IEEE
16 years 19 days ago
2007
IEEE
Skyline query processing has been investigated extensively in recent years, mostly for only one query reference point. An example of a single-source skyline query is to find hotel...
113
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PODS
2010
ACM
15 years 4 months ago
2010
ACM
Differential privacy is a robust privacy standard that has been successfully applied to a range of data analysis tasks. But despite much recent work, optimal strategies for answe...
CIKM
2004
Springer
15 years 4 months ago
2004
Springer
We study the representation, derivation and utilization of a special kind of constraints in multidatabase systems. A major challenge is when component database schemas are schemat...
183
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SIGMOD
2006
ACM
15 years 11 months ago
2006
ACM
Text is ubiquitous and, not surprisingly, many important applications rely on textual data for a variety of tasks. As a notable example, information extraction applications derive...