627 search results - page 30 / 126 » Efficient Top-k Query Evaluation on Probabilistic Data |
161
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EDBT
2002
ACM
16 years 6 months ago
2002
ACM
Abstract. We present a simple query language for XML, which supports hierarchical, Boolean-connected query patterns. The interpretation of a query is founded on cost-based query tr...
199
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EDBT
2010
ACM
15 years 8 months ago
2010
ACM
The availability of indoor positioning renders it possible to deploy location-based services in indoor spaces. Many such services will benefit from the efficient support for k n...
180
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CIKM
2009
Springer
15 years 10 months ago
2009
Springer
The ability to deal with uncertain information is becoming increasingly important for modern database applications. Whereas a conventional (certain) object is usually represented ...
257
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ICDE
2008
IEEE
16 years 7 months 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...
276
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ICDE
2006
IEEE
16 years 7 months ago
2006
IEEE
The detection of duplicate tuples, corresponding to the same real-world entity, is an important task in data integration and cleaning. While many techniques exist to identify such...