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ACL
2001
14 years 10 months ago
Joint and Conditional Estimation of Tagging and Parsing Models
This paper compares two different ways of estimating statistical language models. Many statistical NLP tagging and parsing models are estimated by maximizing the (joint) likelihoo...
Mark Johnson
ACL
2001
14 years 10 months ago
Methods for the Qualitative Evaluation of Lexical Association Measures
This paper presents methods for a qualitative, unbiased comparison of lexical association measures and the results we have obtained for adjective-noun pairs and preposition-noun-v...
Stefan Evert, Brigitte Krenn
ACL
2001
14 years 10 months ago
Resolving Ellipsis in Clarification
We offer a computational analysis of the resolution of ellipsis in certain cases of dialogue clarification. We show that this goes beyond standard techniques used in anaphora and ...
Jonathan Ginzburg, Robin Cooper
ACL
2001
14 years 10 months ago
Generation of VP Ellipsis: A Corpus-Based Approach
We present conditions under which verb phrases are elided based on a corpus of positive and negative examples. Factor that affect verb phrase ellipsis include: the distance betwee...
Daniel Hardt, Owen Rambow
ACL
2001
14 years 10 months ago
What is the Minimal Set of Fragments that Achieves Maximal Parse Accuracy?
We aim at finding the minimal set of fragments which achieves maximal parse accuracy in Data Oriented Parsing. Experiments with the Penn Wall Street Journal treebank show that cou...
Rens Bod