• Title/Summary/Keyword: an evolutionary perspective

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Innovation Policy Studies Between Theory and Practice: A Literature Review Based Analysis

  • Radosevic, Slavo
    • STI Policy Review
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    • v.3 no.1
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    • pp.1-45
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    • 2012
  • This paper reviews the emerging literature on innovation policy from a practitioner's perspective, reviews the policy implications of an evolutionary perspective in economics, and identifies newly emerging areas of innovation policy analysis. We show that an innovation system is a dominant policy discourse, that there are limits of policy implications from an evolutionary perspective, and that there is a need for explicitly policy motivated analysis grounded in a broad evolutionary perspective. Innovation policy studies are an area in pre-paradigmatic stages whose dynamism originates from the interaction of theory, policy, and policy learning. The limited usefulness of policy implications derived directly from either conceptual or empirical analysis requires more explicitly policy focused research.

Evolutionary Programming of Applying Estimated Scale Parameters of the Cauchy Distribution to the Mutation Operation (코시 분포의 축척 매개변수를 추정하여 돌연변이 연산에 적용한 진화 프로그래밍)

  • Lee, Chang-Yong
    • Journal of KIISE:Software and Applications
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    • v.37 no.9
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    • pp.694-705
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    • 2010
  • The mutation operation is the main operation in the evolutionary programming which has been widely used for the optimization of real valued function. In general, the mutation operation utilizes both a probability distribution and its parameter to change values of variables, and the parameter itself is subject to its own mutation operation which requires other parameters. However, since the optimal values of the parameters entirely depend on a given problem, it is rather hard to find an optimal combination of values of parameters when there are many parameters in a problem. To solve this shortcoming at least partly, if not entirely, in this paper, we propose a new mutation operation in which the parameter for the variable mutation is theoretically estimated from the self-adaptive perspective. Since the proposed algorithm estimates the scale parameter of the Cauchy probability distribution for the mutation operation, it has an advantage in that it does not require another mutation operation for the scale parameter. The proposed algorithm was tested against the benchmarking problems. It turned out that, although the relative superiority of the proposed algorithm from the optimal value perspective depended on benchmarking problems, the proposed algorithm outperformed for all benchmarking problems from the perspective of the computational time.

Exsistence and Boundaries of the Firm: Neo-Schumpeterian Evolutionary Perspective (기업의 존재 이유와 기업의 범위 결정: 신슘페터주의 진화경제학의 관점에서)

  • Yoon, Minho
    • 사회경제평론
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    • no.38
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    • pp.85-128
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    • 2012
  • This paper aims to provide an evolutionary theory of firm existence and boundaries. We explicitly discuss about the cause of firm existence from the viewpoint of evolutionary economics, combine functionalistic and process-oriented explanation of firm evolution, and propose industry-level theory of firm boundaries. Vertical and horizontal firm boundaries are explained in the same frame.

A Study on the Hybrid Mutant Space of Evolutionary Space Design - Focus on the Biological Evolutionism - (진화론적 공간디자인에서의 혼성적 변이공간에 관한 연구 - 생물학적 진화론을 중심으로 -)

  • Cheon, Byoung-Woo
    • Korean Institute of Interior Design Journal
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    • v.21 no.1
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    • pp.78-85
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    • 2012
  • The relevance between organisms and their external environment covers everything including humans, natural and artificial surroundings, regarding which academic and scientific understanding has continued. Relevant elements established by inter-dependence between humans and environment and the unity of life should be translated from the perspective of a whole, not of unit elements or reduction. That is, a space is formed by its own program and assumes sustainable relevance based on interactions between internal and external spaces, not building an independent system. The present study aims to present the feasibility of a potential mutant space formed by invisible arenas between individuals and evolutionary space formation based on an ecological paradigm Accordingly, this study suggested that evolutionary attributes as the major power source of biological changes could verify the virtual multiplicity of a new space formation, and that the potential form generation of hybrid mutant space of emergence and infinite formative capability could be supported. The suggestions made here will hopefully contribute to extending applicability of evolutionary space generation in the field of space design. To derive the potential mutant forms from biological space, a preliminary study was conducted regarding the characteristics of evolutionary form generation. For the purpose of this study, three evolutionary perspectives of reproduction, mutation (variation) and selection were taken. First, the theory of evolution was defined and characterized. Also, the relevance between the characteristics generated and hybrid mutant space was analyzed to consider relevant characteristics. The present study helped to understand that the hybrid mutant space had an evolutionary space structure based on a biological paradigm. It was also found that the mutant space structure built by mutant polymorphism assumed a systematic correlation between space and environment.

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Changes in Edible Culture of Dog Meat and Evolutionary Study (식용견 문화의 변화와 진화론적 고찰)

  • Sim, Soon-Chul;Choi, Hyun-Jung
    • Culinary science and hospitality research
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    • v.24 no.1
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    • pp.122-129
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    • 2018
  • The purpose of this study is to understand the evolution of food culture by applying the evolutionary mechanism to the process of forming the dog meat culture. To do this, this study first examined mutation, selection, and replication as a evolutionary mechanism by biological genes and explain the evolutionary process of food culture by applying so-called 'mime' which is a virally-transmitted cultural symbol or social idea. A meme acts as a unit for carrying cultural ideas, practices, that can be transmitted from one mind to another through writing, speech, gestures, rituals, or other imitable phenomena with a mimicked theme. In addition, this study also intended to use in-depth interviews on how people have diverse cultural perspectives interpret and accept edible culture of dog meat. In Korea, which was a traditional farming society, dog meat which is easier to obtain compare to beef has been chosen as an important source of protein. And this choice has been repeatedly reproduced through generations. However, the current generation's awareness of the edible culture of dog meat has changed. The meme of pet culture has been selected and replicated, and this cultural evolution will eventually lead to the culling of dog meat.

EXPERT SYSTEM AND ITS PERSPECTIVE

  • Suh Nam-Soo
    • Journal of the military operations research society of Korea
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    • v.16 no.1
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    • pp.56-66
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    • 1990
  • Expert systems are in an early evolutionary phase, but it already has significant impacts on business operations. More and more organizations are becoming interested in applying expert systems as solutions to their business problems. This paper describes how systems started, what is their current situation, and what are their application areas. It outlines what is expert system and how to develop an expert system. And it analyzes expert system shells and shows some current available expert system shells. Lastly, it concludes and predicts the main attributes of the future expert systems.

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Comparative Analysis of the Three Classes of Archaeal and Bacterial Ribonucleotide Reductase from Evolutionary Perspective

  • Pangare, Meenal G.;Chandra, Sathees B.
    • Genomics & Informatics
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    • v.8 no.4
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    • pp.170-176
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    • 2010
  • The Ribonucleotide reductases (RNR) are essential enzymes that catalyze the conversion of nucleotides to deoxynucleotides in DNA replication and repair in all living organisms. The RNRs operate by a free radical mechanism but differ in the composition of subunit, cofactor required and regulation by allostery. Based on these differences the RNRs are classified into three classesclass I, class II and class III which depend on oxygen, adenosylcobalamin and S-adenosylmethionine with an iron sulfur cluster respectively for radical generation. In this article thirty seven sequences belonging to each of the three classes of RNR were analyzed by using various tools of bioinformatics. Phylogenetic analysis, dot-plot comparisons and motif analysis was done to identify a number of differences in the three classes of RNRs. In this research article, we have attempted to decipher evolutionary relationship between the three classes of RNR by using bioinformatics approach.

Evolutionary Approaches to Low Fertility in Modern Societies (현대 사회의 저출산에 대한 진화적 분석)

  • Joonghwan Jeon
    • Korean Journal of Culture and Social Issue
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    • v.18 no.1
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    • pp.97-110
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    • 2012
  • The sharp decline of fertility in industrialized countries since the 19th century constitutes a major problem for evolutionary approaches to human behavior. Why would people voluntarily reduce their total number of offspring, despite the fact that resources are so abundant in modern times? Here I review three evolutionary hypotheses for low fertility in modern societies, and discuss how the evolutionary perspective could shed new light on solving the problem of low fertility in Korea. Low fertility may be 1) a maladaptive outcome from the mismatch between our ancestral environments and evolutionarily novel environments, 2) a consequence of gene-culture coevolution where traits that reduce genetic fitness can still spread through a population as a result of imitation, especially if the traits are expressed by high-status people, or 3) an adaptation that maximize parents' long-term genetic fitness in knowledge-based industrialized societies where high parental investment is required for rearing competitive offspring. Based on these considerations, I suggest how the evolutionary explanations of low fertility can be applied to increasing the birth rate in Korea.

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Reconceptualizing the Dynamic Evolution of the Firm : On Learning and Restructuring in Adaptation (기업의 동태적 진화 및 적응 이론에 대한 비판적 고찰 : 적응에 있어 조직학습과 재구조화 관점을 중심으로)

  • Lee, Jong-Ho
    • Journal of the Korean association of regional geographers
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    • v.13 no.6
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    • pp.623-638
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    • 2007
  • This paper debates on two different theoretical positions in explaining corporate adaptation. Until the 1980s, a restructuring perspective had dominated in explaining corporate success and adaptation. However, this perspective pays little attention to how firms adapt to environmental change and why some firms adapt successfully, while some others fail to adapt. Thus a restructuring perspective does not give insights into a context-specific explanation of corporate learning and adaptation. More recently, especially since the 1990s, academic focus on corporate adaptation and evolution has shifted towards exploring the nature of learning that leads to the dynamic competitiveness. A learning perspective emphasizes the influence of knowledge, learning and competence on corporate evolution. However, it reveals that this view is also less appropriate for explaining corporate adaptation in radical shifts in environment. In this context, the evolutionary theories of the firm need to seek to maintain a balance between two theoretical positions in order to understand more effectively the dynamic evolution and adaptation of the firm. This paper shows that the dynamics of corporate adaptation and evolution are an outcome of the mixture of perpetual processes of restructuring and learning, both continuous and discontinuous.

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Heterotopia images of fashion space represented on Instagram - Focusing on the case of Ader Space in Korea -

  • Syachfitrianti Gadis Nadia;Se Jin Kim
    • The Research Journal of the Costume Culture
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    • v.31 no.4
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    • pp.467-488
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    • 2023
  • The purpose of this study is to determine the concepts of heterotopic image and fashion space, and the characteristics of fashion space and images from the perspective of fashion brands and users. This study examines the evolution of fashion space and consumers with it, based on Foucault's theory of heterotopia, which refers to spaces that blend contradictory features not typically found within a single physical structure. This is accomplished by employing a single case study of Ader Error's Ader Space, a Seoul-based brand known for its unique approach to presenting and communicating fashion. Based on an analysis of Instagram posts of Ader Error along with the hashtag searches "aderspace" and "adererror", this study categorizes heterotopia from the perspective of fashion brands into three properties: fashion space as a medium for selling fashion products; fashion space as getaway to hybrid fashion practices; and fashion space as an illusionary place to experience fashion. From the user perspective, the heterotopic image of Ader Space portrayed on Instagram is characterized by the image of fashion products in an extraordinary fashion space, the image of a fashion space beyond space and time, and the image of exposing the hidden and the illusion-compensation of fashion space. This study contributes to a heightened understanding of the evolutionary concept of the fashion space.