• 제목/요약/키워드: paradigms

검색결과 508건 처리시간 0.025초

An Empirical Study for Performance Evaluation of Web Personalization Assistant Systems (웹 기반 개인화 보조시스템 성능 평가를 위한 실험적 연구)

  • Kim, Ki-Bum;Kim, Seon-Ho;Weon, Sung-Hyun
    • The Journal of Society for e-Business Studies
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    • 제9권3호
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    • pp.155-167
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    • 2004
  • At this time, the two main techniques for achieving web personalization assistant systems generally concern direct manipulation and software agents. While both direct manipulation and software agents are intended for permitting user to complete tasks rapidly, efficiently, and easily, their methodologies are different. The central debate involving these web personalization techniques originates from the amount of control that each allows to, or holds back from, the users. Direct manipulation can provide users with comprehensibel, predictable and controllable user interfaces that give them a feeling of accomplishnent and responsibility. On the other hand, the intelligent software components, the agents, can assist users with artificial intelligence by monitoring or retrieving personal histories or behaviors. In this empirical study, two web personalization assistant systems are evaluated. One of them, WebPersonalizer, is an agent based user personalization tool; the other, AntWorld, is a collaborative recommendation tool which provides direct manipulation interfaces. Through this empirical study, we have focused on two different paradigms as web personalization assistant systems : direct manipulation and software agents. Each approach has its own advantages and disadvantages. We also provide the experimental result that is worth referring for developers of electronic commerce system and suggest the methodologies for conveniently retrieving necessary information based on their personal needs.

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Trends of Doctoral Dissertations of One College of Nursing in Korea (일 간호대학 박사학위논문의 분석을 통한 간호학 연구의 경향)

  • Choe, Myoung-Ae;Hong, Kyung-Ja;Han, Kyung-Ja;Park, Young-Sook;Park, Sung-Ae;Hah, Yang-Sook;Kim, Keum-Soon;Yun, Soon-Nyung;Song, Mi-Soon;Yi, Myung-Sun;Lee, In-Sook;Park, Hyeoun-Ae;ChoiKwon, S-Mi;Chung, Chae-Weon;Park, Yeon-Hwan;Chang, Hee-Kyung
    • The Journal of Korean Academic Society of Nursing Education
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    • 제15권1호
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    • pp.32-43
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    • 2009
  • Purpose: The purpose of this study was to identify the trend of nursing research by analyzing the doctoral dissertations in one college of nursing in Korea. Method: The areas of research, the methodological characteristics, and theories used in the research were explored in all doctoral dissertations (n=120) published from 1989 to 2006. Result: Mainly "Nursing" has been studied (44.9%) among four meta-paradigms of nursing science. The "client" domain (46.7%) and the "practice" domain (41.7%) were most frequently studied in type of nursing knowledge. The main purpose of the thesis was to develop nursing interventions and examine the effectiveness of the practice (40.8%) in quantitative research. Almost all (94.7%) of the qualitative dissertation studies were to explore phenomena in the nursing field. Almost half of the dissertations (43.9%) were an experimental design, 34.7% were a model construction, and 15.8% were a qualitative design. The majority of dissertations (83.3%) were to apply the specific theory and almost half (43.8%) studied borrowed theories from other fields. Conclusion: It is necessary to develop more rigorous and various research designs such a longitudinal design, or randomized controlled trial and this will lead to expanding the body of nursing knowledge.

Semantic Search and Recommendation of e-Catalog Documents through Concept Network (개념 망을 통한 전자 카탈로그의 시맨틱 검색 및 추천)

  • Lee, Jae-Won;Park, Sung-Chan;Lee, Sang-Keun;Park, Jae-Hui;Kim, Han-Joon;Lee, Sang-Goo
    • The Journal of Society for e-Business Studies
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    • 제15권3호
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    • pp.131-145
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    • 2010
  • Until now, popular paradigms to provide e-catalog documents that are adapted to users' needs are keyword search or collaborative filtering based recommendation. Since users' queries are too short to represent what users want, it is hard to provide the users with e-catalog documents that are adapted to their needs(i.e., queries and preferences). Although various techniques have beenproposed to overcome this problem, they are based on index term matching. A conventional Bayesian belief network-based approach represents the users' needs and e-catalog documents with their corresponding concepts. However, since the concepts are the index terms that are extracted from the e-catalog documents, it is hard to represent relationships between concepts. In our work, we extend the conventional Bayesian belief network based approach to represent users' needs and e-catalog documents with a concept network which is derived from the Web directory. By exploiting the concept network, it is possible to search conceptually relevant e-catalog documents although they do not contain the index terms of queries. Furthermore, by computing the conceptual similarity between users, we can exploit a semantic collaborative filtering technique for recommending e-catalog documents.

An Exploratory Study on The Antecedents and Consequences of Customer Relationship in The Discount Store (할인점에서 고객관계의 선행변수 및 결과변수에 관한 연구)

  • Chung, Kyung-Yuck;Jeon, In-Soo;Bae, Il-Hyun
    • Journal of Distribution Research
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    • 제16권2호
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    • pp.25-56
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    • 2011
  • A shifting of marketing paradigms from transaction to relationship has shown in many studies. Although there are many researches about relationship marketing, few of them focuses on relationship marketing combined with retail mix. This study define and measure customer relationship, and find the antecedents and consequences of the customer relationship. For the research, data were collected from 540 persons who are currently customers of five branches of E-mart and Homeplus in Seoul, Korea. Data analysis was performed under the AMOS 6.0. The results are summarized as following; Firstly, the relationship among elements of retail marketing mix and the relationship quality appears significant except communication program. This finding means that communication effect decreases at some point when communication program is excessive. Secondly, the relationship of customer relationship and three factors (frequent shopping intention, up-buying intention and recommend intention) are significant. Thus, this result supports the reasoning why discount stores make an effort to improve customer relationship. Thirdly, the relationship between share of wallet and two factors (frequent shopping intention and recommend intention) appears insignificant. Fourthly, the relationship between share of wallet and up-buying intention is significant. This result implies that up-buying intention is an important factor for discount stores, because up-buying intention is directly linked to financial performance of discount stores. Finally, the direct path between customer relationship and share of wallet is significant relation. For this reason, customer relationship should be managed consistently by discount stores.

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Remediation Characteristics that Appear in the Change of MP3Player II: Re-mediation through Appearance Changes, Cultural and Social Paradigms (MP3Player의 변화에서 나타나는 재매개적 특성 II: 외형적 변화와 문화, 사회적 패러다임을 통한 재매개성)

  • Lee, Jin-Hyuk;Lee, Young-Chun;Koo, Yoon-Hee
    • The Journal of the Korea Contents Association
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    • 제13권11호
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    • pp.69-78
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    • 2013
  • A Korean MP3player also has become complex multimedia device which can provide various functions such as DMB, image playback, radio, electronic dictionary, storage device, and Internet. However, these functions are not provided through one-time mediation. Therefore, studying which changes were made for obtaining or installing these functions and what made such changes possible will be a basis to approach the change factors of medium through medium. Ultimately, by enabling to access the factors of cultural and social changes through MP3player, the main point of this study, it will be a methodological attempt to study a social aspect through medium. This study approached re-mediation according to the genealogical change of MP3player. This study researched the change of media through mediation of MP3player, and approached the change in social contextuality through this. The factors for which a medium is changed are various, but in the change of MP3 player there is re-mediation of each medium in addition to technical change. That is, it is deemed that there are 're-mediation among devices' and 'socially contextual re-mediation' in the change through re-mediation of MP3player.

An Item Pool System for Leveled Assessment (수준별 평가를 위한 문제은행 시스템)

  • Hong, Jong-Gee;Jun, Woo-Chun
    • Journal of The Korean Association of Information Education
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    • 제6권3호
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    • pp.298-307
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    • 2002
  • Recent advances in the Web technology have been changing our life in various aspects. These advances have brought us new paradigms of education. The Web provides teachers with many opportunities to implement wide ranges of new teaching and learning practices, which supplement the traditional classroom teaching-learning. Especially, the Web enables so-called WBI (Web-based instruction) system as a teaching aid. Now the WBI system can incorporate multimedia information with various communication and collaborative tools. In order for the WBI system to be successful, various supports are necessary. One of such supports comes from assessment. In this work, an item pool system for leveled assessment is designed and implemented. The proposed system has the following characteristics. First, the item pool is classified into three categories subject, semester, and chapter. This categorization makes lookup easier and faster. Second, any teacher can use the item pool system and enter their questions into the item pool. Third, the proposed system reflects various levels of students for each course. Thus, students can select their exams based on their progress and background. Finally, it can make difficulty of each item to be objective by repeated tests and refinements.

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Korean Semantic Role Labeling Using Domain Adaptation Technique (도메인 적응 기술을 이용한 한국어 의미역 인식)

  • Lim, Soojong;Bae, Yongjin;Kim, Hyunki;Ra, Dongyul
    • Journal of KIISE
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    • 제42권4호
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    • pp.475-482
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    • 2015
  • Developing a high-performance Semantic Role Labeling (SRL) system for a domain requires manually annotated training data of large size in the same domain. However, such SRL training data of sufficient size is available only for a few domains. Performances of Korean SRL are degraded by almost 15% or more, when it is directly applied to another domain with relatively small training data. This paper proposes two techniques to minimize performance degradation in the domain transfer. First, a domain adaptation algorithm for Korean SRL is proposed which is based on the prior model that is one of domain adaptation paradigms. Secondly, we proposed to use simplified features related to morphological and syntactic tags, when using small-sized target domain data to suppress the problem of data sparseness. Other domain adaptation techniques were experimentally compared to our techniques in this paper, where news and Wikipedia were used as the sources and target domains, respectively. It was observed that the highest performance is achieved when our two techniques were applied together. In our system's performance, F1 score of 64.3% was considered to be 2.4~3.1% higher than the methods from other research.

A Study on the Architectural Environment as a Combination of Performance and Event (퍼포먼스.이벤트의 결합체로서 건축환경연구)

  • 김주미
    • Archives of design research
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    • 제14권
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    • pp.121-138
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    • 1996
  • The purpose of this study is to develop a new architectural language and design strategies that would anticipate and incorporate new historical situations and new paradigms to understand the world. It consists of four sections as follows: First, it presents a new interpretation of space, human body, and movement that we find in modern art and tries to combine that new artistic insight with environmental design to provide a theoretical basis for performance-event architecture. Second, it conceives of architectural environment as a combination of space, movement, and probabilistic situations rather than a mere conglomeration of material. It also perceives the environment as a stage for performance and the act of designing as a performance. Third, in this context, man is conceived of as an organic system that responds to, interacts with, and adapts himself to his environment through self-regulation. By the same token, architecture should be a dynamic system that undergoes a constant transformation in its attempt to accommodate human actions and behaviors as he copes with the contemporary philosophy characterized by the principle of uncertainty, fast-changing society, and the new developments in technology. Fourth, the relativistic and organic view-point that constitutes the background for all this is radically different from the causalistic and mechanistic view that characterized the forms and functions of modernistic design. The present study places a great emphases on dematerialistic conception of environment and puts forth a disprogramming method that would accommodate interchangeability in the passage of time and the intertextuality of form and function. In the event, performance-event architecture is a strategy based on the systems world-view that would enable the recovery of man's autonomy and the reconception of his environment as an object of art.

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Research on R&D requirement planning support strategies to foster arms exports: focused on researching the evaluation model of marketability of weapon systems (방산수출을 고려한 R&D 소요기획 지원전략 연구: 무기체계 시장성 평가모델 연구를 중심으로)

  • Han, Bong-Yoon;Won, Jun-Ho
    • Journal of Technology Innovation
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    • 제20권3호
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    • pp.93-128
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    • 2012
  • Defense technology planning identifies medium-and long-term core technologies to accomplish future defense goals and suggests strategies for future R&D. In order to promote the export-oriented defense industry, planning paradigms should be shifted from technology-oriented planning that focuses on weapon systems to market- oriented R&D planning. This study aims to strategically support 'preliminary technology planning' the Defense Agency for Technology and Quality is pushing ahead with. Through market-orientation analysis models of weapon systems based on defense R&D planning, data research on previous market-oriented research, and the analyses and examples of global defence markets, it evaluates market attractiveness to UAVs and drew methods for exploring markets and enhancing competitiveness of military equipment. The market-oriented analysis model of weapon systems is considered to be a helpful reference as a relevant factor for decision making on establishing and verifying requirement planning. In particular, if a market-oriented defense R&D planning process is established institutionally, it will enable us to make export strategies tailored to different equipment from the planning phase and to support marketing strategically.

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People's Creativity and User/Field-driven Innovation: Literature Review for the Paradigm of Creative Economy (국민의 창의성과 사용자/현장 중심 혁신: 창조경제 패러다임 정립을 위한 문헌 연구)

  • Lim, Hong-Tak
    • Journal of Technology Innovation
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    • 제22권3호
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    • pp.135-166
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    • 2014
  • 'Creative Economy' has been announced as the new paradigm of socio-economic development strategy of newly elected President Geun-Hye Park's administration. By explicitly defining people as a major player in creative activity, it seems to depart from expert-driven or science & technology-focused development paradigms of previous administrations. Yet, its interpretation and operation in terms of government policy does not seem to show any differences. This study aims to explicate the nature of Creative Economy as a development paradigm by clarifying the differences between people's creativity and that of scientists and engineers through extensive literature review. People can contribute to the creative activity not just as users but also as living persons who make everyday yet independent choices based on their humanistic, philosophical, ethical and experiential capabilities which are clearly different from the sources of scientists' & engineers' creativity. People's creative activity does involve value judgement about life and can often accelerate the system innovation or transition by changing consumer behaviour and lifestyle, and hence destruct technological lock-in user lock-in of the existing system. People's creativity can thus present 'User/Field-driven Innovation Paradigm which clearly differs from existing expert- or science & technology-driven innovation paradigm. The Creative Economy with focus on people's creativity therefore faces new socio-economic development challenges of fulfilling the User/Field-driven Innovation Paradigm.