用数学优化法重构中古汉语声母系统，结合古韵书与现代方言数据。
Phonetic Reconstruction of the Consonant System of Middle Chinese via Mixed Integer Optimization
- 将声母重构转化为混合整数规划问题，自动挖掘同音与语音信息。
- 在合成与真实数据上验证方法有效且鲁棒，基于《广韵》和20种方言重建结果。
- 适合语言学与计算语言学交叉研究者，尤其关注历史音系学方向。
本文聚焦中古汉语声母系统的语音重构。提出将该问题建模为混合整数规划（Mixed Integer Programming）问题，能够自动整合古代韵书中的同音信息与现代汉语方言（中古汉语的后裔）中的语音线索。在大量合成与真实数据上的数值评估表明该方法具有优异的有效性与鲁棒性。应用该方法分析《广韵》及20种现代汉语方言的数据，获得新的语音重构结果，并提供了符合语言学动机的讨论。
原文摘要 · Abstract (English)
This paper is concerned with phonetic reconstruction of the consonant system of Middle Chinese. We propose to cast the problem as a Mixed Integer Programming problem, which is able to automatically explore homophonic information from ancient rhyme dictionaries and phonetic information from modern Chinese dialects, the descendants of Middle Chinese. Numerical evaluation on a wide range of synthetic and real data demonstrates the effectiveness and robustness of the new method. We apply the method to information from Guangyun and 20 modern Chinese dialects to obtain a new phonetic reconstruction result. A linguistically-motivated discussion of this result is also provided.
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