Computing Locally Coherent Discourses

Computing Locally Coherent Discourses
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DOI:
10.3115/1218955.1219006
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发表时间:
2004-07
期刊:
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影响因子:
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通讯作者:
Ernst Althaus;Nikiforos Karamanis;Alexander Koller
Ernst Althaus;Nikiforos Karamanis;Alexander Koller
中科院分区:
其他
文献类型:
--
作者:
Ernst Althaus;Nikiforos Karamanis;Alexander Koller

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我们提出了第一个算法,该算法将句子的最优排序计算为局部连贯的语篇。该算法在文献中的各种一致性度量上运行得非常有效。我们还证明了语篇排序问题是NP-完全的,不能被近似。
We present the first algorithm that computes optimal orderings of sentences into a locally coherent discourse. The algorithm runs very efficiently on a variety of coherence measures from the literature. We also show that the discourse ordering problem is NP-complete and cannot be approximated.