2546 search results - page 324 / 510 » Managing long-running queries |
193
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IDEAS
2010
IEEE
15 years 4 months ago
2010
IEEE
Abstract. We consider the class of applications that manage time series (TS) and propose a data model and a query language that let these applications manipulate TS data sets at a ...
176
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GIS
2009
ACM
15 years 4 months ago
2009
ACM
We propose a location-based query anonymization technique, LBS (k,T)-anonymization, that ensures anonymity of user's query in a specific time window against what we call know...
339
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ICDE
2002
IEEE
16 years 8 months ago
2002
IEEE
Internet search engines have popularized the keywordbased search paradigm. While traditional database management systems offer powerful query languages, they do not allow keyword-...
261
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
The key of overlapping structures or concurrent markup hierarchies in XML encodings of documents is that markup in one hierarchy is not necessarily well-formed with respect to the...
176
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PODS
2008
ACM
16 years 6 months ago
2008
ACM
A survey of effective characterizations of tree logics. If L is a logic, then an effective characterization for L is an algorithm, which inputs a tree automaton and replies if the...