• 제목/요약/키워드: knowledge-based system

검색결과 3,911건 처리시간 0.035초

지식기반사회에서 PDL의 등장과 개념적 이해 (A Conceptual Understanding of the PDL in Knowledge-based Society)

  • 김경곤
    • 한국도서관정보학회지
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    • 제33권3호
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    • pp.193-214
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    • 2002
  • 이 연구는 최근, 대학도서관 뿐만 아니라 특수ㆍ전문도서관 등에서도 자주 나타나고 있는 PDL의 등장 배경과 지식기반사회에서 PDL의 개념이 어떻게 형성되었는가를 살펴보았다. 또한, 이와 관련한 사례들을 함께 살펴봄으로써 현행 PDL 개념의 확장에 관한 발전적 제안을 발견하게 되었는데, 이것은 향후, 이용자 중심의 PDL모형을 개발하는데 있어 중요한 기초 자료가 될 것이라 생각한다. 이 연구에서 밝혀진 PDL모형 개발시 유의점은 다음과 같다. \circled1 개인화가 발생하게 된 사회 환경의 변화에 그 의미를 찾아야 한다. \circled2 제공되어지는 콘텐츠는 제한을 두지 않아야 한다. \circled3 개인의 요구조건을 충분히 만족할 수 있는 시스템이어야 한다 \circled4 시스템구현 방법은 공개적이어야 하며, 계속적인 지원이 가능하도록 오픈소스 개념으로 개발되어져야 한다.

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A Data Mining Approach for a Dynamic Development of an Ontology-Based Statistical Information System

  • Mohamed Hachem Kermani;Zizette Boufaida;Amel Lina Bensabbane;Besma Bourezg
    • Journal of Information Science Theory and Practice
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    • 제11권2호
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    • pp.67-81
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    • 2023
  • This paper presents a dynamic development of an ontology-based statistical information system supporting the collection, storage, processing, analysis, and the presentation of statistical knowledge at the national scale. To accomplish this, we propose a data mining technique to dynamically collect data relating to citizens from publicly available data sources; the collected data will then be structured, classified, categorized, and integrated into an ontology. Moreover, an intelligent platform is proposed in order to generate quantitative and qualitative statistical information based on the knowledge stored in the ontology. The main aims of our proposed system are to digitize administrative tasks and to provide reliable statistical information to governmental, economic, and social actors. The authorities will use the ontology-based statistical information system for strategic decision-making as it easily collects, produces, analyzes, and provides both quantitative and qualitative knowledge that will help to improve the administration and management of national political, social, and economic life.

Prediction of User Preferred Cosmetic Brand Based on Unified Fuzzy Rule Inference

  • 김진성
    • 한국지능시스템학회:학술대회논문집
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    • 한국퍼지및지능시스템학회 2005년도 추계학술대회 학술발표 논문집 제15권 제2호
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    • pp.271-275
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    • 2005
  • In this research, we propose a Unified Fuzzy rule-based knowledge Inference Systems UFIS) to help the expert in cosmetic brand detection. Users' preferred cosmetic product detection is very important in the level of CRM. To this Purpose, many corporations trying to develop an efficient data mining tool. In this study, we develop a prototype fuzzy rule detection and inference system. The framework used in this development is mainly based on two different mechanisms such as fuzzy rule extraction and RDB (Relational DB)-based fuzzy rule inference. First, fuzzy clustering and fuzzy rule extraction deal with the presence of the knowledge in data base and its value is presented with a value between $0\∼1$. Second, RDB and SQL(Structured Query Language)-based fuzzy rule inference mechanism provide more flexibility in knowledge management than conventional non-fuzzy value-based KMS(Knowledge Management Systems)

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M2M 환경에서 FIPA-OS 를 사용하는 Ping Agent 분석 및 이를 통한 Dialogue Agent 모듈 설계 (Analysis of Ping Agent based on FIPA-OS and Design of Dialogue Agent Module in M2M Environment)

  • 김동훈;이승우;임선종;송준엽;고광식
    • 한국정밀공학회:학술대회논문집
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    • 한국정밀공학회 2004년도 추계학술대회 논문집
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    • pp.1202-1206
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    • 2004
  • In the future, a machine-tool will be more improved in the form of a knowledge evolution based device. In order to develop the knowledge evolution based machine-tool, this paper proposes the structure of knowledge evolution and the scheme of a dialogue agent among agent-based modules such as a sensory module, a dialogue module, and an expert system. The dialogue agent has a role of interfacing with another machine for cooperation. To design of the dialogue agent module in M2M(Machine To Machine) environment, FIPA-OS and ping agent based on FIPA-OS are analyzed in this study. Through this, it is expected that the dialogue agent module can be more efficiently designed and the knowledge evolution based machine-tool can be hereafter more easily implemented.

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지인 기반의 스마트 지식공유 시스템에 관한 연구 (A Study on Smart Knowledge Sharing System with Friends)

  • 윤원범;박기남;임희석
    • 디지털융복합연구
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    • 제11권2호
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    • pp.279-285
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    • 2013
  • 정보통신망과 컴퓨터 기술의 발전은 수많은 정보 및 지식을 생산해 내는 기반이 되었고, 최근 대중화가 가속화 되고 있는 스마트디바이스는 사용자가 원하는 정보와 지식을 쉽게 획득할 수 있는 도구로 사용되고 있다. 이에 본 논문에서는 인터넷 정보와 소셜네트워크를 활용한 스마트 디바이스 기반의 지식공유 시스템을 제안한다. 제안하는 시스템은 사용자 질의에 대해 인터넷 정보 검색, 축적된 지식 검색, 소셜네트워크 상의 지인 답변 기능으로 구성된다. 제안한 시스템의 효용성 분석을 위하여 사용자 만족도 평가를 실시하였다. 실험결과 스마트디바이스를 이용한 지식공유 시스템이 일반 정보검색엔진에 비해 통계적으로 유의미한 만족도를 나타냈다.

학습기대와 지식공유 지각이 사용자 만족과 지속사용에 미치는 영향 (Effects of Learning Expectation and Perceived Knowledge Sharing on User Satisfaction and IS Continuance)

  • 김인찬;백승령
    • 한국정보시스템학회지:정보시스템연구
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    • 제28권4호
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    • pp.377-401
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    • 2019
  • Purpose The purpose of this study is to investigate the effects of learning expectation and perceived knowledge sharing on user satisfaction and IS continuance in the Korean Army which is currently using the Regiments' Information System to help their Integrated Administration Management. Based on both the Information System(IS) Continuance Model and IS Success Model, this study also examine the role of system quality on user satisfaction. We develop a research model(structural equation model) and its hypotheses that learning expectation, perceived knowledge sharing, and system quality increase users' satisfaction, which leads to IS continuance. The effect of learning expectation on perceived knowledge sharing is also hypothesized. Design/methodology/approach Online Survey using e-mails was administered to test our research model and associated hypotheses. Among the 360 e-mail letters including our survey questionnaire, 285 responses were collected via e-mails. Meaningful 225 cases were analyzed for our study. SPSS Statistics 24.0 and SmartPLS 3.0 were used to analyze both measuremant test and hyotheses test by using the data set. Findings Survey results show that learning expectation(confirmation variable), learning expectation, perceived knowledge sharing(a perceived usefulness variable), and system quality(a system characteristic) each increases user satisfaction, which leads to IS continuance, under the control of the effect of habit to use information systems. Learning expectation also has a positive influence on perceived knowledge sharing. Theoretical and practical implications are presented.

연구문헌의 지식구조를 반영하는 의미기반의 지식조직체계에 관한 연구 (A Study on the Knowledge Organizing System of Research Papers Based on Semantic Relation of the Knowledge Structure)

  • 고영만;송인석
    • 정보관리학회지
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    • 제28권1호
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    • pp.145-170
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    • 2011
  • 본 연구는 연구문헌의 지식구조를 반영하는 의미기반 지식조직체계의 실험적 모형을 제시하는 것을 목적으로 한다. 이를 위해 한국연구재단의 기초학문자료센터에 대한 사례분석을 하였다. 기초학문자료센터 연구성과물 DB와 학술용어 DR의 개념클래스 및 인스턴스를 대상으로 연구문헌의 지식구조를 파악하였으며, 기초학문자료센터 시스템의 학술적 이해형성 기능을 분석하였다. 또한 연구문헌의 지식구조와 색인어의 관계를 분석하였다. 이러한 분석을 통해 지식구조와 색인어의 관계구조, 26개의 연구문헌 지식구조 공리 및 11개의 의미관계 추론규칙으로 구성되는 온톨로지 모형, 즉 연구문헌의 지식구조와 그 의미관계에 의한 실험적 지식조직체계 모형을 제시하였다.

학습, 민활 조직 실현을 위한 프로세스 사슬 기반 정보시스템 개발과 에이전트 기반 소세계 시뮬레이션 (Process Chain-Based Information Systems Development and Agent-Based Microworld Simulation As Enablers of the Learning & Agile Organization)

  • 박광호
    • Asia pacific journal of information systems
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    • 제9권3호
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    • pp.177-194
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    • 1999
  • Identifying knowledge as the single most important asset ultimately defining organizational competitiveness, enterprises are trying to move towards knowledge-oriented practices. Such practices have given rise to learning and agile organization, This paper presents applied information technologies to realize the learning and agile organization, focusing on systems thinking. Firstly, in order to establish a framework for the systems thinking, an information systems development method based on process chain is proposed. Then, an agent-based microworld simulation approach is presented. The approaches provide visible and analytical information to knowledge workers so that they can have systems thinking capabilities eventually. Various microworlds on the top of the information system can be constructed with agents and simulated for possible business events. All decision makings are dynamic in nature. To let knowledge workers look ahead the possible outcomes of the whole relevant processes is the core capability of the approaches. Through watching, the knowledge workers would be able to acquire new insights or problem solving knowledge for the problem in hand.

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전문가 쉘(Shell)을 이용한 굴삭기 프론트 지식기반설계 시스템 구현 (An Implementation of Knowledge Based Engineering Design System for the Front Section of the Excavator with an Expert Shell)

  • 신대진;배일주;이수홍;노태성;김성태
    • 한국정밀공학회:학술대회논문집
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    • 한국정밀공학회 2005년도 춘계학술대회 논문집
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    • pp.75-80
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    • 2005
  • A design for the front section of an excavator requires kinematic and kinetic mechanism consideration for several configurations. Key parameters for an appropriate configuration can be obtained through a mechanical verification and numerical formulation with a design expert's know-how. In this paper, we propose a knowledge-based system with an expert-shell(CATIA) and Visual Basic to assist for the design of the front section of an excavator. The designers can achieve more efficient design through a CAD model, implemented design knowledge, and a user friendly interface. The implemented design knowledge is retrieved through the whole design process from an early design stage to a detailed design stage based on the multiple levels of abstraction scheme.

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Knowledge Base Verification Based on Enhanced Colored Petri Net

  • Kim, Jong-Hyun;Seong, Poong-Hyun
    • 한국원자력학회:학술대회논문집
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    • 한국원자력학회 1997년도 추계학술발표회논문집(1)
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    • pp.271-276
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    • 1997
  • Verification is a process aimed at demonstrating whether a system meets it's specified requirements. As expert systems are used in various applications, the knowledge base verification of systems fakes an important position. The conventional Petri net approach that has been studied recently in order to verify the knowledge base is found that it is inadequate to verify the knowledge base of large and complex system, such as alarm processing system of nuclear power plant. Thus, we propose an improved method that models the knowledge base as enhanced colored Petri net. In this study. we analyze the reachability and the error characteristics of the knowledge base and apply the method to verification of simple knowledge base.

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