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192
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Many algorithms have been proposed to approximate holistic aggregates, such as quantiles and heavy hitters, over data streams. However, little work has been done to explore what t...
209
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CVPR
2011
IEEE
14 years 10 months ago
2011
IEEE
Catheter tracking has become more and more important in recent interventional applications. It provides real time guidance for the physicians and can be used as motion compensated...
177
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AAAI
2004
15 years 8 months ago
2004
This paper considers online stochastic optimization problems where time constraints severely limit the number of offline optimizations which can be performed at decision time and/...
193
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WEBDB
2004
Springer
16 years 19 hour ago
2004
Springer
XML and semi-structured data is usually modeled using graph structures. Structural summaries, which have been proposed to speedup XML query processing have graph forms as well. Th...
161
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VLDB
1997
ACM
15 years 10 months ago
1997
ACM
In this paper we describe novel techniques that make it possible to build an industrial-strength tool for automating the choice of indexes in the physical design of a SQL database...