983 search results - page 137 / 197 » Continuous Queries in Oracle |
ICDT
2005
ACM
15 years 3 months ago
2005
ACM
We propose and investigate from the algorithmic standpoint a novel form of fuzzy query called approximately dominating representatives or ADRs. The ADRs of a multidimensional point...
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DEXAW
2004
IEEE
15 years 1 months ago
2004
IEEE
Many applications refer to moving objects or phenomena and require spatio-temporal modelling and specific analysis. Unlike conventional data where attributes are simple values (nu...
BNCOD
2008
14 years 11 months ago
2008
Abstract. Accurate selectivity estimations are essential for query optimization decisions where they are typically derived from various kinds of histograms which condense value dis...
FOIS
2008
14 years 11 months ago
2008
Many geographic terms, such as "river" and "lake", are vague, with no clear boundaries of application. In particular, the spatial extent of such features is oft...
BDA
2006
14 years 11 months ago
2006
We consider a publish/subscribe system for digital libraries which continuously evaluates queries over a large repository containing document descriptions. The subscriptions, the ...