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130
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COMPGEOM
2009
ACM
15 years 9 months ago
2009
ACM
We study the complexity of the visibility map of terrains whose triangles are fat, not too steep and have roughly the same size. It is known that the complexity of the visibility ...
139
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STOC
1993
ACM
15 years 8 months ago
1993
ACM
Let B be a set of n arbitrary possibly intersecting convex obstacles in Rd. It is shown that any two points which can be connected by a path avoiding the obstacles can also be c...
149
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ACL
2008
15 years 6 months ago
2008
Current re-ranking algorithms for machine translation rely on log-linear models, which have the potential problem of underfitting the training data. We present BoostedMERT, a nove...
120
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ENTCS
2008
15 years 4 months ago
2008
In [24] the authors studied the expressiveness of persistence in the asynchronous -calculus (A) wrt weak barbed congruence. The study is incomplete because it ignores the issue of...
161
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JACM
2006
15 years 4 months ago
2006
Suffix trees and suffix arrays are widely used and largely interchangeable index structures on strings and sequences. Practitioners prefer suffix arrays due to their simplicity an...