5356 search results - page 331 / 1072 » Adventures in time and space |
161
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GIS
2010
ACM
15 years 1 months ago
2010
ACM
One cannot deny that space and time are important to us. We perceive our world with respect to where and when we do things. We advocate geoblogging as a tool to capture such exper...
213
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SCL
2011
14 years 9 months ago
2011
The fact that the heat equation is controllable to zero in any bounded domain of the euclidean space, any time T > 0 and from any open subset of the boundary is well known. On ...
213
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SIGMOD
2012
ACM
13 years 9 months ago
2012
ACM
Query substitution is an important problem in information retrieval. Much work focuses on how to find substitutes for any given query. In this paper, we study how to efficiently ...
214
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SODA
2012
ACM
13 years 9 months ago
2012
ACM
The problem of approximating convex bodies by polytopes is an important and well studied problem. Given a convex body K in Rd , the objective is to minimize the number of vertices...
202
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IPMI
2005
Springer
16 years 7 months ago
2005
Springer
The blood oxygen level-dependent (BOLD) signal in response to brief periods of stimulus can be detected using event-related functional magnetic resonance imaging (ER-fMRI). In this...