14642 search results - page 335 / 2929 » It's Time for a Change |
175
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FMSD
2007
15 years 6 months ago
2007
In the classical framework of formal languages, a refinement n is modeled by a substitution and an abstraction by an inverse substitution. These mechanisms have been widely studie...
190
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ECCV
2004
Springer
16 years 8 months ago
2004
Springer
Abstract. This paper presents a method for tracking multiple skincolored objects in images acquired by a possibly moving camera. The proposed method encompasses a collection of tec...
158
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IPMI
1999
Springer
16 years 7 months ago
1999
Springer
Abstract. We describe a method for computing a continuous time estimate of dynamic changes in tracer density using list mode PET data. The tracer density in each voxel is modeled a...
197
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KDD
2006
ACM
16 years 7 months ago
2006
ACM
Recent research has identified significant vulnerabilities in recommender systems. Shilling attacks, in which attackers introduce biased ratings in order to influence future recom...
144
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SDM
2009
SIAM
16 years 4 months ago
2009
SIAM
The discovery of events in time series can have important implications, such as identifying microlensing events in astronomical surveys, or changes in a patient’s electrocardiog...