Shared Task Proposal: Syntactic Paraphrase Ranking
Shared Task Proposal: Syntactic Paraphrase Ranking
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发表时间:
2012
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通讯作者:
Michael White
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作者:
Michael White
We describe a new shared task on syntactic paraphrase ranking that is intended to run in conjunction with the main surface realization shared task. Taking advantage of the human judgments collected to evaluate the surface realizations produced by competing systems, the task is to automatically rank these realizations---viewed as syntactic paraphrases---in a way that agrees with the human judgments as often as possible. The task is designed to appeal to developers of surface realization systems as well as machine translation evaluation metrics: for surface realization systems, the task sidesteps the thorny issue of converting inputs to a common representation; for MT evaluation metrics, the task provides a challenging framework for advancing automatic evaluation, as many of the paraphrases are expected to be of high quality, differing only in subtle syntactic choices.