421 search results - page 71 / 85 » A Reflective Symmetry Descriptor |
MOBIHOC
2002
ACM
14 years 7 months ago
2002
ACM
We examine two aspects concerning the influence of unidirectional links on routing performance in multihop wireless networks. In the first part of the paper, we evaluate the benef...
WSDM
2010
ACM
14 years 5 months ago
2010
ACM
Sponsored search is a multi-billion dollar business that generates most of the revenue for search engines. Predicting the probability that users click on ads is crucial to sponsor...
WSDM
2010
ACM
14 years 5 months ago
2010
ACM
This article describes an application of the partially observable Markov (POM) model to the analysis of a large scale commercial web search log. Mathematically, POM is a variant o...
EDBT
2010
ACM
14 years 2 months ago
2010
ACM
When selecting alternatives from large amounts of data, trade-offs play a vital role in everyday decision making. In databases this is primarily reflected by the top-k retrieval p...
FDG
2009
ACM
14 years 2 months ago
2009
ACM
Physical play familiar from sports activities is a favorite pastime across all cultures and has been attributed with many social, mental and physical health benefits. However, the...