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» Distinctness Analysis on Natural Landmark Descriptors
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FSR
2005
Springer
97views Robotics» more  FSR 2005»
13 years 10 months ago
Distinctness Analysis on Natural Landmark Descriptors
Kai-Ming Kiang, Richard Willgoss, Alan Blair
ATAL
2009
Springer
13 years 12 months ago
SarsaLandmark: an algorithm for learning in POMDPs with landmarks
Reinforcement learning algorithms that use eligibility traces, such as Sarsa(λ), have been empirically shown to be effective in learning good estimated-state-based policies in pa...
Michael R. James, Satinder P. Singh
WWW
2004
ACM
14 years 6 months ago
FADA: find all distinct answers
The wealth of information available on the web makes it an attractive resource for seeking quick answers. While web-based question answering becomes an emerging topic in recent ye...
Hui Yang, Tat-Seng Chua
ICDT
2009
ACM
147views Database» more  ICDT 2009»
14 years 6 months ago
The average-case complexity of counting distinct elements
We continue the study of approximating the number of distinct elements in a data stream of length n to within a (1? ) factor. It is known that if the stream may consist of arbitra...
David P. Woodruff
IMC
2003
ACM
13 years 10 months ago
Virtual landmarks for the internet
Internet coordinate schemes have been proposed as a method for estimating minimum round trip time between hosts without direct measurement. In such a scheme, each host is assigned...
Liying Tang, Mark Crovella