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KI
1997
Springer
15 years 3 months ago
1997
Springer
One of the fundamental problems in the eld of mobile robotics is the estimation of the robot's position in the environment. Position probability grids have been proven to be a...
SIGMOD
1996
ACM
15 years 3 months ago
1996
ACM
This paper introduces bifocal sampling, a new technique for estimating the size of an equi-join of two relations. Bifocal sampling classi es tuples in each relation into two group...
PLDI
1990
ACM
15 years 3 months ago
1990
ACM
Languages such as Scheme and Smalltalk that provide continuations as first-class data objects present a challenge to efficient implementation. Allocating activation records in a h...
CIKM
2009
Springer
15 years 3 months ago
2009
Springer
The nDCG measure has proven to be a popular measure of retrieval effectiveness utilizing graded relevance judgments. However, a number of different instantiations of nDCG exist, d...
DEBS
2010
ACM
15 years 3 months ago
2010
ACM
Today’s organisations require techniques for automated transformation of the large data volumes they collect during their operations into operational knowledge. This requirement...