• Title/Summary/Keyword: Knowledge in the world

Search Result 1,290, Processing Time 0.028 seconds

Fuzzy Classification Rule Learning by Decision Tree Induction

  • Lee, Keon-Myung;Kim, Hak-Joon
    • International Journal of Fuzzy Logic and Intelligent Systems
    • /
    • v.3 no.1
    • /
    • pp.44-51
    • /
    • 2003
  • Knowledge acquisition is a bottleneck in knowledge-based system implementation. Decision tree induction is a useful machine learning approach for extracting classification knowledge from a set of training examples. Many real-world data contain fuzziness due to observation error, uncertainty, subjective judgement, and so on. To cope with this problem of real-world data, there have been some works on fuzzy classification rule learning. This paper makes a survey for the kinds of fuzzy classification rules. In addition, it presents a fuzzy classification rule learning method based on decision tree induction, and shows some experiment results for the method.

A Fuzzy Object Data Model (퍼지 객체 데이터 모델에 관한 고찰)

  • 이진호;이전영
    • Proceedings of the Korean Institute of Intelligent Systems Conference
    • /
    • 1996.10a
    • /
    • pp.129-132
    • /
    • 1996
  • In this paper, we suggest a framework to represent the fuzziness in knowledge base as a perspective of the object-oriented paradigm. We divide the knowledge base in two parts. One is the object-base that stores the fuzzy propositions and the explanatory databases. The other is the rule-base that manages the rules between the fuzzy propositions. As the first step, we have to develop a new fuzzy object model that gives an easy way to represent the fuzzy propositions, that is, the fuzzy knowledge in the real world.

  • PDF

A University's Role for Regional Innovation: Arizona Universities' Contribution to Regional Economic Growth

  • Kim, Joochul
    • World Technopolis Review
    • /
    • v.4 no.2
    • /
    • pp.79-86
    • /
    • 2015
  • Over the last two decades, interest increased with regard to how some research universities made direct impacts on surrounding regional economic activities and growth. Although the role of basic research for most research universities has remained strong, pressure has intensified to broaden its missions to include helping local and regional economic development efforts. Consequently, many research universities have evolved their basic scientific research mission from the production of scientific knowledge to the sharing and exchange of knowledge with local industries by actively engaging in local economic development (Uyarra 2010). Previous examination has shown that most research universities contribute to local and regional economic development by various functions they provide. They are as follows: Creation of Knowledge, Human-capital creation, Transfer of existing know-how, Technological innovation, Capital investment, Regional leadership, Knowledge infrastructure production and Influence in regional milieu (Drucker and Goldstein 2007). This paper will review the existing literature on the role of universities and its impacts on local regional economic growth and development. In addition, this paper will show how two major research universities (The University of Arizona and Arizona State University) have contributed to the growth of Arizona during last two decades. It is believed that the existence of these two research universities have been instrumental in making industries more diverse and highly attractive, particularly in the Phoenix Metropolitan Area.

A Knowledge Discovery Framework for Spatiotemporal Data Mining

  • Lee, Jun-Wook;Lee, Yong-Joon
    • Journal of Information Processing Systems
    • /
    • v.2 no.2
    • /
    • pp.124-129
    • /
    • 2006
  • With the explosive increase in the generation and utilization of spatiotemporal data sets, many research efforts have been focused on the efficient handling of the large volume of spatiotemporal sets. With the remarkable growth of ubiquitous computing technology, mining from the huge volume of spatiotemporal data sets is regarded as a core technology which can provide real world applications with intelligence. In this paper, we propose a 3-tier knowledge discovery framework for spatiotemporal data mining. This framework provides a foundation model not only to define the problem of spatiotemporal knowledge discovery but also to represent new knowledge and its relationships. Using the proposed knowledge discovery framework, we can easily formalize spatiotemporal data mining problems. The representation model is very useful in modeling the basic elements and the relationships between the objects in spatiotemporal data sets, information and knowledge.

An Evaluation of Information Systems Services in the Public Sector: Knowledge Management Approach (공공부문 정보화사업평가 - 지식경영 측면의 접근)

  • Lim, Joon Hyoung;Myung, Sung-Jun;Kim, Jae-Young
    • Knowledge Management Research
    • /
    • v.18 no.3
    • /
    • pp.231-246
    • /
    • 2017
  • As an interest in the efficiency of public sector expenditures has spread across the world, Korea has operated a self-evaluation system for government projects as a part of the performance-based budget system. However, an evaluation system for public information technology project has been criticized for its lack of validity, which stems from the uniformity of performance management. This study draws insight from knowledge management literature in an attempt to address the problems with the extant performance evaluation system in public agencies. To realize benefits from IT investment, an agency needs to develop its own performance management model for information systems projects, with a focus on the interaction of IT and organizational system. The knowledge management-based framework for IT projects was verified through a case study, with which we discussed the applicability of knowledge management to the evaluation of public information systems projects.

Ghent University Technology Park: from a Local Initiative towards an Essential Component of the Ghent Knowledge Innovation Ecosystem

  • Bil, Johan;Moens, Luc;Buerman, Thomas
    • World Technopolis Review
    • /
    • v.4 no.2
    • /
    • pp.104-116
    • /
    • 2015
  • Using the case of the Ghent University and its Technology Park, we will illustrate how changing policies and practices at the level of the university concerning research valorization have an impact on our science park. We will also demonstrate how the evolving nature of our science park has a clear impact on the university, as the science park becomes more and more an integral part of the university knowledge eco-system. We will also highlight the involvement of Ghent University in the Korea Songdo Global University Campus Project.

Multidisciplinary Team Research as an Innovation Engine in Knowledge-Based Transition Economies and Implication for Asian Countries -From the Perspective of the Science of Team Science

  • Lee, Yong-Gil
    • Journal of Contemporary Eastern Asia
    • /
    • v.12 no.1
    • /
    • pp.49-63
    • /
    • 2013
  • This work identifies the key factors influencing the success of multidisciplinary, interdisciplinary, and trans-disciplinary R&D projects in transition economies by integrating knowledge management, organizational, inter/intra-collaboration (open-innovation), and leadership perspectives, while also addressing the perspective of the science of team science, which is an integrative approach to R&D. This is followed by providing the major sub-constructs of team science and policy implications to better facilitate multidisciplinary, interdisciplinary, and transdisciplinary R&D projects in knowledge-based transition economies.

Exploration of Teaching for Mathematical Connections to Real Worlds in the Knowledge-Based Society (창조적 지식기반사회 구축을 위한 초등수학과 실생활과의 연계 지도 방안 연구)

  • 김민경
    • School Mathematics
    • /
    • v.2 no.2
    • /
    • pp.389-401
    • /
    • 2000
  • The purpose of the study is to introduce how elementary mathematics pre-sevice teachers in pre-service teacher program could use and integrate poster, a kind of instructional media, to connect mathematics knowledge to real worlds. Poster examples include such as connection to mathematicians and mathematical connections to real world as well as nature. Further, future study will continue to foster students and teachers to try to construct their alive mathematics knowledge.

  • PDF

Gutenberg Galaxy and Music (구텐베르크 은하계와 음악)

  • KIM, Hyokyung
    • Trans-
    • /
    • v.5
    • /
    • pp.49-64
    • /
    • 2018
  • Marshall Mcluhan, a media scholar, created the word Gutenberg Gaaxy meaning the new environment formulated by printing technic and he insisted that it changed human life entirely. In the history of human, the media evolved into printing technic through oral and transcription. This evolution of media and the environment created by the media are the most important point of Mcluhan's theory. He sees the world as the result of media evolution. In mcluhan's sight, Gutenberg Galaxy is the first environment composed by the media. Based on the mcluhan's theory, this study focused on the environment created by the media and applied it into the western music history. The link of the Gutenberg Galaxy and the western music, especially in romantic era, will be the main subject of the study. The Book is the most representative media of the printing technic. In the era of oral and transcription, the communication was limited by the spatial restriction. However, the book was free to spatial condition and this character of the book made the knowledge free. The knowledges delivered by the oral and transcription were mostly the matter of mundane world because they are so close to the human life, even though they are narrating about the God's world. The book, free to expanding the knowledge beyond the world, made the knowledge transcendent and expanded the sight of the humans into the transcendent world. The modern western world is the product of the expanded knowledge by the book and so does the music. In the time of printing technic, the music begun to gain the population by the printed sheet music. As delivering the music through the printed sheet, the music received transcendence and mystery as meeting the spirit of the times. This link formed by the time of Gutenberg Galaxy will be the main focus of the study and it will prove the link between the media and the western music.

  • PDF

A Rule Generation Technique Utilizing a Parallel Expansion Method (병렬확장을 활용한 규칙생성 기법)

  • Lee, Kee-Cheol;Kim, Jin-Bong
    • The Transactions of the Korea Information Processing Society
    • /
    • v.5 no.4
    • /
    • pp.942-950
    • /
    • 1998
  • Extraction of knowledge, especially in the form of rules, from raw data is very important in data mining, the aim of which is to help users who feel the lack of knowledge in spite of the abundance of data. Logic minimization tools are ones which derive optimized knowledge given ON set and DC set. First, the parallel expansion scheme of logic minimization is extracted and used to obtain intial knowledge to get final rules, which are successfully applicable to real world data. The prototype system based on this new approach has been experimented with real world data to show that it is as practical as conventional long studied decision tree methods like C4.5 system.

  • PDF