• Title/Summary/Keyword: Lexical Semantics

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Co-Event Conflation for Compound Verbs in Korean

  • Jun, Jong-Sup
    • Proceedings of the Korean Society for Language and Information Conference
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    • 2007.11a
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    • pp.202-209
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    • 2007
  • Compound verbs in Korean show properties of both syntactic phrases and lexical items. Earlier studies of compound verbs have either assumed two homonymous types, i.e. one as a syntactic phrase and the other as a lexical item, or posited some sort of transformation from a syntactic phrase into a lexical item. In this paper, I show empirical and conceptual problems for earlier studies, and present an alternative account in terms of Talmy's (2000) theory of lexicalization. Unlike Talmy who proposed [Path] conflation into [MOVE] for Korean, I suggest several types of [Co-Event] conflation; e.g. [$_{Co-Event}$ Manner] conflation as in kwul-e-kata 'to go by rolling', [$_{Co-Event}$ Concomitance] conflation as in ttal-a-kata 'to follow', [$_{Co-Event}$ Concurrent Result] conflation as in cap-a-kata 'to catch somebody and go', etc. The present proposal not only places Korean compound verbs in a broader picture of cross-linguistic generalizations, but, when viewed from Jackendoff's (1997) productive vs. semi-productive morphology, provides a natural account for classifying the compounds that allow -se intervention from those that do not.

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Constructing Ontology based on Korean Parts of Speech and Applying to Vehicle Services (한국어 품사 기반 온톨로지 구축 방법 및 차량 서비스 적용 방안)

  • Cha, Si-Ho;Ryu, Minwoo
    • Journal of Korea Society of Digital Industry and Information Management
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    • v.17 no.4
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    • pp.103-108
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    • 2021
  • Knowledge graph is a technology that improves search results by using semantic information based on various resources. Therefore, due to these advantages, the knowledge graph is being defined as one of the core research technologies to provide AI-based services recently. However, in the case of the knowledge graph, since the form of knowledge collected from various service domains is defined as plain text, it is very important to be able to analyze the text and understand its meaning. Recently, various lexical dictionaries have been proposed together with the knowledge graph, but since most lexical dictionaries are defined in a language other than Korean, there is a problem in that the corresponding language dictionary cannot be used when providing a Korean knowledge service. To solve this problem, this paper proposes an ontology based on the parts of speech of Korean. The proposed ontology uses 9 parts of speech in Korean to enable the interpretation of words and their semantic meaning through a semantic connection between word class and word class. We also studied various scenarios to apply the proposed ontology to vehicle services.

Effective Method to Improve the Competence of the Vocabulary by the Image and Listening (이미지와 듣기자료를 중심으로 어휘력 향상을 위한 효율적 학습 적용 방안)

  • JUNG, Il Young
    • Cross-Cultural Studies
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    • v.38
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    • pp.461-500
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    • 2015
  • This study aims to investigate the effective method to improve the competence of the Vocabulary by the image and listening towards the ELF. In the first part, we observed the problems and point improvement on learning vocabulary based on learner survey. In the second part, we analyzed two remarkable studies: - consistent and adapt method, communicational context - method based on the lexical, morphological semantical, notional and thematic field Then we proposed effective methods that are applicable to the vocabulary's learning in the class : - learning vocabulary by combining the words - learning vocabulary based on the meaning field - learning vocabulary as concrete characters - learning vocabulary by the descriptive character - learning vocabulary with the type "who am I?" - learning vocabulary by listening For teachers, one of the difficulties to the conduct of vocabulary course is that learners take passive position. Specifically, it is the teachers who play an important role because it runs in the direction of the course. However, learners do not show the active attitude for vocabulary lessons despite the course to take to improve their vocabulary skills. Therefore, teachers must prepare course materials that can both improve the competence of the vocabulary of learners and cause their interest or desire on the current vocabulary. This is why teachers should exploit various materials depending on the skill level of the learner vocabulary.

Korean Nominal Bank, Using Language Resources of Sejong Project (세종계획 언어자원 기반 한국어 명사은행)

  • Kim, Dong-Sung
    • Language and Information
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    • v.17 no.2
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    • pp.67-91
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    • 2013
  • This paper describes Korean Nominal Bank, a project that provides argument structure for instances of the predicative nouns in the Sejong parsed Corpus. We use the language resources of the Sejong project, so that the same set of data is annotated with more and more levels of annotation, since a new type of a language resource building project could bring new information of separate and isolated processing. We have based on the annotation scheme based on the Sejong electronic dictionary, semantically tagged corpus, and syntactically analyzed corpus. Our work also involves the deep linguistic knowledge of syntaxsemantic interface in general. We consider the semantic theories including the Frame Semantics of Fillmore (1976), argument structure of Grimshaw (1990) and argument alternation of Levin (1993), and Levin and Rappaport Hovav (2005). Various syntactic theories should be needed in explaining various sentence types, including empty categories, raising, left (or right dislocation). We also need an explanation on the idiosyncratic lexical feature, such as collocation and etc.

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Case Frames of the Old English Impersnal Cnstruction: Conceptual Semantic Analysis

  • Jun, Jong-Sup
    • Language and Information
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    • v.9 no.2
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    • pp.107-126
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    • 2005
  • The impersonal or psyc-predicate construction in Old English (=OE) poses a special challenge for most case theories in generative linguistics. In the OE impersonal construction, the experiencer argument is marked by dative, accusative, or nominative, whereas the theme is marked by nominative, genitive, or accusative, or by a PP. The combinations of possible cases for experiencer and theme are not random, bringing about daunting complexity for possible and impossible case frames. In this paper, I develop a conceptual semantic case theory (a la Jackendoff 1990, 1997, 2002; Yip, Maling, and Jackendoff 1987) to provide a unified account for the complicated case frames of the OE impersonal construction. In the conceptual semantic case theory, syntax and semantics have their own independent case assignment principles. For impersonal verbs in OE, I propose that UG leave an option of determining either syntactic or semantic case to lexical items. This proposal opens a new window for the OE impersonal construction, in that it naturally explains both possible and impossible case frames of the construction.

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On the Syntax and Semantics of the Bound Noun Constructions: With a Computational Implementation

  • Kim, Jong-Bok;Yang, Jae-Hyung
    • Proceedings of the Korean Society for Language and Information Conference
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    • 2007.11a
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    • pp.223-233
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    • 2007
  • The so-called Korean BNC (bound noun construction) displays complex syntactic, semantic, and constructional properties. This paper, couched upon a constraint-based approach, two different syntactic structures for the construction with articulated lexical properties for the BNs and relevant predicates. The paper reports an implementation of this analysis in the LKB (Linguistic Knowledge Building) system and shows us that this direction is robust enough to pare relevant sentences.

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A Comparative Study on the Verb Way Construction: English and Dutch

  • Kim, Mija
    • Cross-Cultural Studies
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    • v.24
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    • pp.132-146
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    • 2011
  • This paper is intended to describe the idiosyncratic aspects of the verb way construction in English, clarifying the productivity property of this construction and to elucidate the claim that this construction displays the properties of language-general, not a language-particular by comparing the behaviors from Dutch. And this paper will argue against the lexical approach and explain the drastic mismatches in syntax and semantics responsible for the constructional properties as one type of directional motion constructions by proposing a constructional analysis in HPSG.

Zero-shot Lexical Semantics based on Perplexity of Pretrained Language Models (사전학습 언어모델의 Perplexity에 기반한 Zero-shot 어휘 의미 모델)

  • Choi, Heyong-Jun;Na, Seung-Hoon
    • Annual Conference on Human and Language Technology
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    • 2021.10a
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    • pp.473-475
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    • 2021
  • 유의어 추천을 구현하기 위해서는 각 단어 사이의 유사도를 계산하는 것이 필수적이다. 하지만, 기존의 단어간 유사도를 계산하는 여러 방법들은 데이터셋에 등장하지 않은 단어에 대해 유사도를 계산 할 수 없다. 이 논문에서는 이를 해결하기 위해 언어모델의 PPL을 활용하여 단어간 유사도를 계산하였고, 이를 통해 유의어를 추천했을 때 MRR 41.31%의 성능을 확인했다.

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Grammatical Interfaces in Korean Honorification: A Constraint-based Perspective

  • Kim, Jong-Bok
    • Language and Information
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    • v.19 no.1
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    • pp.19-36
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    • 2015
  • Honorific agreement is one of the main properties in languages like Korean, playing a pivotal role in appropriate communication. This makes the deep processing of honorific information crucial in various computational applications such as spoken language translation and generation. This paper shows that departing from previous literature, an adequate analysis of Korean honorification needs to involve a system that has access not only to morpho-syntax but to semantics and pragmatics as well. Along these lines, this paper offers a constraint-based HPSG analysis of Korean honorification in which the enriched lexical information tightly interacts with syntactic, semantic, and pragmatic levels for the proper honorific system.

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Unaccusativity in Korean

  • Lee, Sang-Ki
    • Language and Information
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    • v.11 no.2
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    • pp.49-65
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    • 2007
  • Since Perlmutter (1978) proposed the Unaccusativity Hypothesis, the past two decades have seen a flourish of studies investigating the potential validity of unaccusativity in Korean. The central contentious issues have been whether unaccusativity can also be assumed in Korean, and, if so, what criteria could be proposed to discern the unaccusativity among various predicates. In this paper, several suggestions made theoretically and experimentally to address the semantic and/or syntactic distinction of the two types of Korean intransitive predicates are critically reviewed and evaluated from the standpoint that there is a close correlation between syntax and lexical semantics of intransitives. It is proposed, then, that the Korean unaccusativity can be reliably differentiated through the combined semantic criteria of [${\pm}$agentive] and [${\pm}$active]. In addition, case alternations in long form negation constructions are shown to be the most reliable and valid syntactic criteria for testing Korean unaccusatives.

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