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COLING
2010
13 years 4 months ago
Evaluation of Dependency Parsers on Unbounded Dependencies
We evaluate two dependency parsers, MSTParser and MaltParser, with respect to their capacity to recover unbounded dependencies in English, a type of evaluation that has been appli...
Joakim Nivre, Laura Rimell, Ryan T. McDonald, Carl...
COLING
2010
13 years 4 months ago
Enhancing Morphological Alignment for Translating Highly Inflected Languages
We propose an unsupervised approach utilizing only raw corpora to enhance morphological alignment involving highly inflected languages. Our method focuses on closed-class morpheme...
Minh-Thang Luong, Min-Yen Kan
SIAMDM
2011
13 years 4 months ago
Root Polytopes and Growth Series of Root Lattices
The convex hull of the roots of a classical root lattice is called a root polytope. We determine explicit unimodular triangulations of the boundaries of the root polytopes associat...
Federico Ardila, Matthias Beck, Serkan Hosten, Jul...
ICASSP
2011
IEEE
13 years 1 months ago
Sparse spectral factorization: Unicity and reconstruction algorithms
Spectral factorization is a classical tool in signal processing and communications. It also plays a critical role in X-ray crystallography, in the context of phase retrieval. In t...
Yue M. Lu, Martin Vetterli
ICASSP
2011
IEEE
13 years 29 days ago
Signal recovery in shift-invariant spaces from partial frequency data
This paper studies conditions under which a signal can be reconstructed from partial frequency content. We focus on signals in shiftinvariant spaces generated by multiple generato...
Volker Pohl, Yonina C. Eldar