• 제목/요약/키워드: Language and Knowledge Engineering

검색결과 231건 처리시간 0.23초

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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    • 한국언어정보학회 2007년도 정기학술대회
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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 Hybrid Knowledge Model for Structural Monitoring and Diagnosis (구조물 모니터링 및 진단을 위한 지식모델의 개발)

  • 김성곤
    • Computational Structural Engineering
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    • 제9권2호
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    • pp.163-171
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    • 1996
  • A hybrid knowledge model which amalgamates an object-oriented modeling approach and logic programming implementation is presented for structural health monitoring and diagnosis of instrumented structures. Domain knowledge in structural monitoring and diagnosis is formalized and represented in a logic-based object-oriented modeling environment. The model and environment have been implemented and illustrated in the context of a laboratory case study of damage detection in a successively damaged steel structure.

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Parsing Two Types of Multiple Nominative Constructions: A Constructional Approach

  • Kim, Jong-Bok;Sells, Peter;Yang, Jae-Hyung
    • Language and Information
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    • 제11권1호
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    • pp.25-38
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    • 2007
  • So-called multiple nominative constructions (MNCs) in Korean are quite theoretically as well as computationally puzzling. This paper shows that a grammar allowing the interaction of declarative constraints on types of signs - in particular, constructions (phrases and clauses)-can provide a robust and efficient way of encoding generalizations for two different MNCs. The feasibility of the grammar developed has been checked with its implementation into the LKB (Linguistic Knowledge Building) system.

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Ontology Knowledge based Information Retrieval for User Query Interpretation (사용자 질의 의미 해석을 위한 온톨로지 지식 기반 검색)

  • Kim, Nanju;Pyo, Hyejin;Jeong, Hoon;Choi, Euiin
    • Journal of Digital Convergence
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    • 제12권6호
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    • pp.245-252
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    • 2014
  • Semantic search promises to provide more accurate result than present-day keyword matching-based search by using the knowledge base represented logically. But, the ordinary users don't know well the complex formal query language and schema of the knowledge base. So, the system should interpret the meaning of user's keywords. In this paper, we describe a user query interpretation system for the semantic retrieval of multimedia contents. Our system is ontological knowledge base-driven in the sense that the interpretation process is integrated into a unified structure around a knowledge base, which is built on domain ontologies.

Study of Object-Oriented Mechanical Design System (객체지향접근법을 이용한 기계 설계 시스템에 관한 연구)

  • 최경현;윤지섭;오승철
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 한국정밀공학회 1996년도 추계학술대회 논문집
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    • pp.769-773
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    • 1996
  • A design system for mechanical components is being developed using an Object-Oriented Programming language Smalltalk to allow mechanical designers to use the experience of expert designers. The system is organized in such a manner that the expert knowledge stored in it could be easily retrieved by the junior designer. The experience and the knowledge of the expert are placed in the databases. Multiple design models, in this system, can be processed simultaneously, because the expert knowledge is broken down into elements which can be used by different design models. In this way the system proves more flexible and extendable. In this paper, the philosophy of the system and the databases involved in the system will be addressed.

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Agent-based Collaborative Design Environment using WWW (WWW을 이용한 에이전트 기반 공동 설계 환경 개발)

  • 안상준;이수홍
    • Korean Journal of Computational Design and Engineering
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    • 제3권1호
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    • pp.31-39
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    • 1998
  • This paper deals with a development of the system that implements a collaborative design environment with some intelligent agents on the m. Intelligent agents can design collaboratively trough an interchange of messages in their special domains. Such a collaborative design of agents is achieved on the WWW. In this paper, we propose special agents named intercessor and DCM (Dynamic Connection Manager) and suggest new connection architecture using these agents in the WWW in order to improve the pre-existed agent connection architecture. The proposed agents are developed using Java language and JATLite API. We apply the these agents to the new architecture and show some possibilities that the agent connection architecture can be extended in the WWW Agents interchange messages with others using KOML (Knowledge Query and Manipulation Language), agent communication protocol and language, and deal with message autonomously according to their rule base. Agents register and connect dynamically trough the intercessor agent, and infer from their.

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Syntactic and semantic information extraction from NPP procedures utilizing natural language processing integrated with rules

  • Choi, Yongsun;Nguyen, Minh Duc;Kerr, Thomas N. Jr.
    • Nuclear Engineering and Technology
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    • 제53권3호
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    • pp.866-878
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    • 2021
  • Procedures play a key role in ensuring safe operation at nuclear power plants (NPPs). Development and maintenance of a large number of procedures reflecting the best knowledge available in all relevant areas is a complex job. This paper introduces a newly developed methodology and the implemented software, called iExtractor, for the extraction of syntactic and semantic information from NPP procedures utilizing natural language processing (NLP)-based technologies. The steps of the iExtractor integrated with sets of rules and an ontology for NPPs are described in detail with examples. Case study results of the iExtractor applied to selected procedures of a U.S. commercial NPP are also introduced. It is shown that the iExtractor can provide overall comprehension of the analyzed procedures and indicate parts of procedures that need improvement. The rich information extracted from procedures could be further utilized as a basis for their enhanced management.

The method of using database technology to process rules of Rule-Based System

  • Zheng, Baowei;Yeo, Jeong-Mo
    • Journal of information and communication convergence engineering
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    • 제8권1호
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    • pp.89-94
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    • 2010
  • The most important of rule-base system is the knowledge base that determines the power of rule-base system. The important form of this knowledge is how to descript kinds of rules. The Rule-Base System (RBS) has been using in many field that need reflect quickly change of business rules in management system. As far, when develop the Rule-Based System, we must make a rule engine with a general language. There are three disadvantage of in this developed method. First, while there are many data that must be processed in the system, the speed of processing data will become very slow so that we cannot accept it. Second, we cannot change the current system to make it adaptive to changes of business rules as quickly as possible. Third, large data make the rule engine become very complex. Therefore, in this paper, we propose the two important methods of raising efficiency of Rule-Base System. The first method refers to using the Relational database technology to process the rules of the Rule-Base System, the second method refers to a algorithm of according to Quine McCluskey formula compress the rows of rule table. Because the expressive languages of rule are still remaining many problems, we will introduce a new expressive language, which is Rule-Base Data Model short as RBDM in this paper.

Construction of Korean WordNet (한국어 워드넷의 구축)

  • Lim, Sung-Shin;Lee, Eun-Ryoung;Kwon, Hyuk-Chul
    • Annual Conference on Human and Language Technology
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    • 한국정보과학회언어공학연구회 2004년도 제16회 한글.언어.인지 한술대회
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    • pp.106-111
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    • 2004
  • 사람의 언어를 이해하는 자연언어처리 시스템을 개발하기 위해서는 의미처리를 위한 지식 베이스(knowledge base)가 필요하다. 지금까지 사람이 가진 지식 베이스를 컴퓨터에 도입하려는 많은 노력을 기울이고 있고 그 결과물로 온톨로지(ontology)와 시소러스(thesaurus)가 만들어지고 있다. 외국에서는 지식 베이스의 중요성을 알고 많은 연구를 수행하고 있으며 그 대표적인 사례들에는 Roget's Thesaurus, WordNet, EDR 개념사전, CYC, Euro WordNet 등이 있다. 이 중에서 가장 대표적이며 많은 활용을 보이는 것이 Princeton 대학의 WordNet이다. WordNet은 인간의 어휘지식에 대한 심리 언어학적인 연구의 결과물로써 심리학자와 언어학자들에 의해 10여 년 동안 구축되고 있는 영어에 대한 어휘데이터베이스이다. 본 논문에서는 WordNet을 기반으로 명사에 대해서 영한사전과 국어사전을 이용하여 구축한 한국어 워드넷을 소개하구 구축시 고려한 기본지침을 소개하도록 하겠다.

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A GraphML-based Visualization Framework for Workflow-Performers' Closeness Centrality Measurements

  • Kim, Min-Joon;Ahn, Hyun;Park, Minjae
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • 제9권8호
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    • pp.3216-3230
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    • 2015
  • A hot-issued research topic in the workflow intelligence arena is the emerging topic of "workflow-supported organizational social networks." These specialized social networks have been proposed to primarily represent the process-driven work-sharing and work-collaborating relationships among the workflow-performers fulfilling a series of workflow-related operations in a workflow-supported organization. We can discover those organizational social networks, and visualize its analysis results as organizational knowledge. In this paper, we are particularly interested in how to visualize the degrees of closeness centralities among workflow-performers by proposing a graphical representation schema based on the Graph Markup Language, which is named to ccWSSN-GraphML. Additionally, we expatiate on the functional expansion of the closeness centralization formulas so as for the visualization framework to handle a group of workflow procedures (or a workflow package) with organizational workflow-performers.