672 search results - page 92 / 135 » Almost Optimal Dispersers |
STOC
2001
ACM
16 years 4 days ago
2001
ACM
Histograms are typically used to approximate data distributions. Histograms and related synopsis structures have been successful in a wide variety of popular database applications...
187
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VLDB
2002
ACM
16 years 2 days ago
2002
ACM
Abstract. Several alternatives to manage large XML document collections exist, ranging from file systems over relational or other database systems to specifically tailored XML base...
180
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VLDB
2007
ACM
16 years 2 days ago
2007
ACM
Estimating the cardinality (i.e. number of distinct elements) of an arbitrary set expression defined over multiple distributed streams is one of the most fundamental queries of in...
114
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ALT
2005
Springer
15 years 8 months ago
2005
Springer
This paper shows how universal learning can be achieved with expert advice. To this aim, we specify an experts algorithm with the following characteristics: (a) it uses only feedba...
ICCD
2000
IEEE
15 years 8 months ago
2000
IEEE
We present a local clocking mechanism based on a tunable delay line which calibrates itself from a low frequency global clock. After initial tuning, the local clock remains calibr...