552 search results - page 63 / 111 » Efficient Algorithms for Processing XPath Queries |
188
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GIS
2007
ACM
16 years 27 days ago
2007
ACM
Continuous spatial queries posted within an environment of moving objects produce as their results a time-varying set of objects. In the most ambitious case both queries and data ...
SIGIR
2010
ACM
15 years 17 hour ago
2010
ACM
We present a novel approach to query reformulation which combines syntactic and semantic information by means of generalized Levenshtein distance algorithms where the substitution...
203
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SIGMOD
2008
ACM
15 years 12 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 ...
EDBT
2002
ACM
15 years 12 months ago
2002
ACM
Abstract. This work addresses the problem of querying moving objects databases. which capture the inherent uncertainty associated with the location of moving point objects. We addr...
176
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SIGMOD
2007
ACM
15 years 12 months ago
2007
ACM
Content-based dissemination of XML data using the publishsubscribe paradigm is an effective means to deliver relevant data to interested data consumers. To meet the performance ch...