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分享 Critique of Chomsky\'s Formal Language Theory
李维 2018-11-25 18:18
Q: Lao Li, I have been paying close attention to your academic track. I deeply admire you for more than 30 years' in-depth study of symbolic logic in the field of natural language understanding with your uniqueinnovation. On your NLP Channel, I notice that you've been critical of ...
个人分类: 立委科普|985 次阅读|没有评论
分享 【李白102: 标题的另一个痛点在谓词结构的安放】
李维 2018-4-17 01:46
白: “中国证监会编造、传播虚假信息行政处罚案例综述” 李: 解析起来有几个 catches: 1. “案例” 和 “综述” 以及二者的组合“案例综述”,都是那个“另类”名词,它们不是前面的动词的宾语,而是要求一个动词性的前修饰语,逻辑语义是【内容】或【同位】。上面的 parse 不幸中了套。 2. “编造”/“ ...
个人分类: 立委科普|1459 次阅读|没有评论
分享 【李白91:休眠唤醒需要打离婚证】
李维 2018-3-7 16:07
李: 以前说过,local n元组搞定分词,通常认为n等于5足够(5-gram 平天下,见 【李白71:“上交所有不义之财!”】 )。今天有个例子,可以看看 bigram trigram and 10+ gram 的各自说法: 这所以自由 时尚 叛逆和反潮流著称的学校 连塔也不得雍容。 Bigrams: 这所 所以 …… trigram: 这所以 …… 10+ gram: ...
个人分类: 立委科普|1235 次阅读|没有评论
分享 Chart Parsing Chinese Character Strings
李维 2016-9-20 20:59
【立委按】 这阵子整理以前的文字,钩沉哈。有些道理可以说得头头是道,但实践中还是要碰壁。chart parsing 理论上可以解决切词的歧义,但实践中令人抓狂的伪歧义问题,和单层parsing所带来的对于深入parsing的种种限制(且不说速度)和放不开手脚,不仅仅得不偿失,实质是此路不通,对于 real life 系统。 反过来看呢,以 ...
个人分类: 立委科普|3067 次阅读|没有评论
分享 Interaction of syntax and semantics in parsing Chinese
热度 1 李维 2016-9-20 09:10
Interaction of syntax and semantics in parsing Chinese transitive verb patterns * (old paper i n Proceedings of International Chinese Computing Conference, ICCC'96 ) Wei LI Department of Linguistics, Simon Fraser University Burnaby, B.C. V5A 1S6 CANADA Keywords: Chinese proc ...
个人分类: 立委科普|3066 次阅读|1 个评论 热度 1
分享 Handling Chinese NP predicate in HPSG
李维 2016-9-16 09:59
Handling Chinese NP predicate in HPSG (old paper in Proceedings of the Second Conference of the Pacific Association for Computational Linguistics, Brisbane, 1995) Wei Li Paul McFetridge Department of Linguistics Simon Fraser University Burnaby, B.C. CANADA V5A 1S6 K ...
个人分类: 立委科普|2014 次阅读|没有评论
分享 Outline of An HPSG-style Chinese Reversible Grammar
李维 2016-9-14 12:35
ABSTRACT Key words: Chinese parsing, Chinese generation, reversible grammar, HPSG This paper presents a reversible Chinese unification grammar named CPSG. The lexic ...
个人分类: 立委科普|1855 次阅读|没有评论
分享 PhD Thesis: Chapter VII Concluding Remarks
李维 2016-8-30 07:08
This chapter summarizes the research conducted in this dissertation, including its contributions as well as limitation. 7.0. Summary The goal of this dissertation is to explore effective ways of formally approaching Chinese morpho-syntactic interface in a phrase structure grammar. This resear ...
个人分类: 立委科普|1837 次阅读|没有评论
分享 PhD Thesis: Chapter VI Interface Involving Derivation
李维 2016-8-30 02:34
6.0. Introduction This chapter studies some challenging problems of Chinese derivation and its interface with syntax. These problems have been a challenge to existing word segmenters; they are also long-standing problems for Chinese grammar research. It is observed that a good number of signs ...
个人分类: 立委科普|2513 次阅读|没有评论
分享 PhD Thesis: Chapter V Chinese Separable Verbs
李维 2016-8-28 20:24
5.0. Introduction This chapter investigates the phenomena usually referred to as separable verbs (离合动词 lihe dongci ) in the form V+X. Separable verbs constitute a significant portion of Chinese verb vocabulary. These idiomatic combinations seem to show dual status (Z. Lu 1957; ...
个人分类: 立委科普|2513 次阅读|没有评论

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