[PDF][PDF] Evaluation of dependency parsers on unbounded dependencies
Proceedings of the 23rd international conference on computational …, 2010•aclanthology.org
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
applied to grammarbased parsers and statistical phrase structure parsers but not to
dependency parsers. The evaluation shows that when combined with simple post-
processing heuristics, the parsers correctly recall unbounded dependencies roughly 50% of
the time, which is only slightly worse than two grammar-based parsers specifically designed …
capacity to recover unbounded dependencies in English, a type of evaluation that has been
applied to grammarbased parsers and statistical phrase structure parsers but not to
dependency parsers. The evaluation shows that when combined with simple post-
processing heuristics, the parsers correctly recall unbounded dependencies roughly 50% of
the time, which is only slightly worse than two grammar-based parsers specifically designed …
Abstract
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 applied to grammarbased parsers and statistical phrase structure parsers but not to dependency parsers. The evaluation shows that when combined with simple post-processing heuristics, the parsers correctly recall unbounded dependencies roughly 50% of the time, which is only slightly worse than two grammar-based parsers specifically designed to cope with such dependencies.
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