2514 search results - page 123 / 503 » On the Computation of Approximations of Database Queries |
203
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
We consider the problem of approximating sliding window joins over data streams in a data stream processing system with limited resources. In our model, we deal with resource cons...
201
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WINE
2007
Springer
16 years 16 days ago
2007
Springer
A context in sponsored search is additional information about a query, such as the user’s age, gender or location, that can change an advertisement’s relevance or an advertise...
264
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ICDE
2005
IEEE
16 years 7 months ago
2005
IEEE
Resource Description Framework (RDF) is a rapidly expanding web standard. RDF databases attempt to track the massive amounts of web data and services available. In this paper, we ...
170
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ICPR
2002
IEEE
16 years 7 months ago
2002
IEEE
GraphGrep is an application-independent method for querying graphs, finding all the occurrences of a subgraph in a database of graphs. The interface to GraphGrep is a regular expr...
258
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ICDE
2005
IEEE
16 years 7 months ago
2005
IEEE
We consider the problem of efficiently computing the skyline against the most recent N elements in a data stream seen so far. Specifically, we study the n-of-N skyline queries; th...