199 search results - page 6 / 40 » Join queries on uncertain data: Semantics and efficient proc... |
103
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PVLDB
2008
14 years 9 months ago
2008
Uncertainty pervades many domains in our lives. Current real-life applications, e.g., location tracking using GPS devices or cell phones, multimedia feature extraction, and sensor...
164
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ICDE
2002
IEEE
15 years 10 months ago
2002
IEEE
We examine the problem of processing temporal joins in the presence of indexing schemes. Previous work on temporal joins has concentrated on non-indexed relations which were fully...
147
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SIGMOD
2008
ACM
15 years 9 months ago
2008
ACM
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...
186
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
Mediator-based data integration systems resolve exploratory queries by joining data elements across sources. In the presence of uncertainties, such multiple expansions can quickly ...
101
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WWW
2010
ACM
15 years 4 months ago
2010
ACM
The Semantic Web community, until now, has used traditional database systems for the storage and querying of RDF data. The SPARQL query language also closely follows SQL syntax. A...