686 search results - page 48 / 138 » Query Answering in Peer-to-Peer Data Exchange Systems |
248
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SIGMOD
2008
ACM
16 years 6 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...
196
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VLDB
2011
ACM
15 years 1 months ago
2011
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...
160
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VLDB
2007
ACM
16 years 11 days ago
2007
ACM
This paper reports our first set of results on managing uncertainty in data integration. We posit that data-integration systems need to handle uncertainty at three levels, and do...
143
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SDM
2007
SIAM
15 years 7 months ago
2007
SIAM
An increasing amount of data is produced in the form of text streams − these can be RSS news feeds, TV closed captions, emails, etc. We study the problem of answering keyword qu...
232
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IPAW
2010
15 years 4 months ago
2010
Data provenance graphs are form of metadata that can be used to establish a variety of properties of data products that undergo sequences of transformations, typically specified as...