3471 search results - page 520 / 695 » Data Stream Query Processing |
102
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ICWE
2004
Springer
15 years 5 months ago
2004
Springer
Abstract. This paper describes the new e-learning tool CHESt that allows students to search in a knowledge base for short (teaching) multimedia clips by using a semantic search eng...
ICDE
2010
IEEE
15 years 11 months ago
2010
IEEE
Estimation via sampling out of highly selective join queries is well known to be problematic, most notably in online aggregation. Without goal-directed sampling strategies, samples...
ICCV
2005
IEEE
16 years 1 months ago
2005
IEEE
We address the problem of detecting irregularities in visual data, e.g., detecting suspicious behaviors in video sequences, or identifying salient patterns in images. The term &qu...
115
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BMCBI
2008
14 years 12 months ago
2008
imately 20 million abstracts. Browsing such a huge repository to find relevant information as well as providing elearning service requires new generation of interfaces. Methods suc...
192
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ICDE
2006
IEEE
16 years 1 months ago
2006
IEEE
A burst is a large number of events occurring within a certain time window. As an unusual activity, it's a noteworthy phenomenon in many natural and social processes. Many da...