390 search results - page 57 / 78 » Approximate Query Answering in Locally Closed Databases |
PODS
2000
ACM
15 years 2 months ago
2000
ACM
In a variety of applications ranging from optimizing queries on alphanumeric attributes to providing approximate counts of documents containing several query terms, there is an in...
165
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ICDE
2004
IEEE
15 years 11 months ago
2004
IEEE
The past decade has seen a wealth of research on time series representations, because the manipulation, storage, and indexing of large volumes of raw time series data is impractic...
INTERNET
2007
14 years 9 months ago
2007
Replication and caching mechanisms are often employed to enhance the performance of Web applications. In this article, we present a qualitative and quantitative analysis of state-...
206
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GIS
2006
ACM
15 years 10 months ago
2006
ACM
If you were told that some object A was perfectly (or somewhat, or not at all) in some direction (e.g., west, above-right) of some reference object B, where in space would you loo...
DIALM
2003
ACM
15 years 3 months ago
2003
ACM
A common way of storing spatio-temporal information about mobile devices is in the form of a 3D (2D geography + time) trajectory. We argue that when cellular phones and Personal D...