1832 search results - page 132 / 367 » Querying RDF Data Using A Multigraph-based Approach |
257
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
A windowed query operator breaks a data stream into possibly overlapping subsets of data and computes results over each. Many stream systems can evaluate window aggregate queries....
286
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
A major problem in detecting events in streams of data is that the data can be imprecise (e.g. RFID data). However, current state-ofthe-art event detection systems such as Cayuga ...
157
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CIKM
2009
Springer
16 years 29 days ago
2009
Springer
Despite the widespread use of BM25, there have been few studies examining its effectiveness on a document description over single and multiple field combinations. We determine t...
170
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CIMCA
2005
IEEE
16 years 3 hour ago
2005
IEEE
This paper describes the system “Fibered Guard”, which is a hybrid intelligent web access management approach for the prevention of Denial of Service (DoS) and Distributed Deni...
299
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ICDE
2006
IEEE
16 years 7 months ago
2006
IEEE
Streaming XPath evaluation algorithms must record a potentially exponential number of pattern matches when both predicates and descendant axes are present in queries, and the XML ...