5350 search results - page 213 / 1070 » Space and time in eco-ontologies |
163
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ACL
2010
15 years 4 months ago
2010
Incremental parsing techniques such as shift-reduce have gained popularity thanks to their efficiency, but there remains a major problem: the search is greedy and only explores a ...
138
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SIAMNUM
2010
15 years 1 months ago
2010
In this paper, we propose a uniaxial perfectly matched layer (PML) method for solving the time-harmonic scattering problems in two-layered media. The exterior region of the scatter...
174
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FOCS
2006
IEEE
16 years 19 days ago
2006
IEEE
Given an n-element set U and a family of subsets S ⊆ 2U we show how to count the number of k-partitions S1 ∪ · · · ∪ Sk = U into subsets Si ∈ S in time 2nnO(1). The only...
187
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TIP
2010
15 years 1 months ago
2010
We propose algorithms for tracking the boundary contour of a deforming object from an image sequence, when the nonaffine (local) deformation over consecutive frames is large and th...
180
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
A query optimizer compares alternative plans in its search space to find the best plan for a given query. Depending on the search space and the enumeration algorithm, optimizers v...