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ACL
2006
15 years 5 months ago
Highly Constrained Unification Grammars
Unification grammars are widely accepted as an expressive means for describing the structure of natural languages. In general, the recognition problem is undecidable for unificati...
Daniel Feinstein, Shuly Wintner
COLING
2000
15 years 5 months ago
Word Re-ordering and DP-based Search in Statistical Machine Translation
In this paper, we describe a search procedure for statistical machine translation (MT) based on dynmnic programming (DP). Starting from a DP-based solution to the traveling salesm...
Christoph Tillmann, Hermann Ney
AAAI
2010
15 years 4 months ago
Algorithms for Finding Approximate Formations in Games
Many computational problems in game theory, such as finding Nash equilibria, are algorithmically hard to solve. This limitation forces analysts to limit attention to restricted su...
Patrick R. Jordan, Michael P. Wellman
AOR
2006
99views more  AOR 2006»
15 years 4 months ago
On-line bin Packing with Two Item Sizes
The problem of on-line bin packing restricted to instances with only two item sizes (known in advance) has a well-known lower bound of 4/3 for its asymptotic competitive ratio. We...
Gregory Gutin, Tommy R. Jensen, Anders Yeo
IPL
2002
90views more  IPL 2002»
15 years 4 months ago
On the approximability of two tree drawing conventions
We consider two aesthetic criteria for the visualization of rooted trees: inclusion and tip-over. Finding the minimum area layout according to either of these two standards is an ...
Paolo Penna