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LINGUIST List 18.3686

Mon Dec 10 2007

Diss: Comp Ling: Kakkonen: 'Framework and Resources for Natural Lan...'

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        1.    Tuomo Kakkonen, Framework and Resources for Natural Language Parser Evaluation


Message 1: Framework and Resources for Natural Language Parser Evaluation
Date: 10-Dec-2007
From: Tuomo Kakkonen <tuomo.kakkonencs.joensuu.fi>
Subject: Framework and Resources for Natural Language Parser Evaluation
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Institution: University of Joensuu
Program: Department of Computer Science
Dissertation Status: Completed
Degree Date: 2007

Author: Tuomo Kakkonen

Dissertation Title: Framework and Resources for Natural Language Parser Evaluation

Dissertation URL: http://cs.joensuu.fi/~tkakkone/research.html

Linguistic Field(s): Computational Linguistics

Subject Language(s): English (eng)
                            Finnish (fin)

Dissertation Director:
Erkki Sutinen
Stefan Werner

Dissertation Abstract:

Because of the wide variety of contemporary practices used in the automatic
syntactic parsing of natural languages, it has become necessary to analyze
and evaluate the strengths and weaknesses of different approaches. This
research is all the more necessary because there are currently no genre-
and domain-independent parsers that are able to analyze unrestricted text
with 100% preciseness (I use this term to refer to the correctness of
analyses assigned by a parser). All these factors create a need for methods
and resources that can be used to evaluate and compare parsing systems.
This research describes: (1) A theoretical analysis of current achievements
in parsing and parser evaluation. (2) A framework (called FEPa) that can be
used to carry out practical parser evaluations and comparisons. (3) A set
of new evaluation resources: FiEval is a Finnish treebank under
construction, and MGTS and RobSet are parser evaluation resources in
English. (4) The results of experiments in which the developed evaluation
framework and the two resources for English were used for evaluating a set
of selected parsers.





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