7607 search results - page 230 / 1522 » Querying data provenance |
174
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CIDR
2003
15 years 8 months ago
2003
We present an architecture for a data sharing peer-to-peer system where the data is shared in the form of database relations. In general, peer-to-peer systems try to locate exactm...
173
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ICDE
2007
IEEE
16 years 28 days ago
2007
IEEE
Recently there is much need of discovering useful knowledge from massive log-data which are generated by Webbased information systems. Such log-data have multiple attributes about...
170
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WWW
2002
ACM
16 years 7 months ago
2002
ACM
Query expansion has long been suggested as an effective way to resolve the short query and word mismatching problems. A number of query expansion methods have been proposed in tra...
189
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ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
Many online or local data sources provide powerful querying mechanisms but limited ranking capabilities. For instance, PubMed allows users to submit highly expressive Boolean keywo...
164
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ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
— Complex ad hoc join queries over enterprise databases are commonly used by business data analysts to understand and analyze a variety of enterprise-wide processes. However, eff...