• Title/Summary/Keyword: universal set

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A Study on Universal Design Using PSD (Preference Set-Based Design) Method (PSD법을 이용한 유니버설 디자인에 관한 연구)

  • Nahm, Yoon-Eui;Ishikawa, Haruo
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.38 no.3
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    • pp.127-135
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    • 2015
  • Universal design is defined as the design process of products and environments usable by all people to the greatest extent possible, without the need for adaptation or specialized design. The benefits of universal design have been promoted primarily through illustrative 'success stories' of public, residential and occupational environments and products. While case examples may be informative, they may unfortunately be limited in terms of generality to other designs or tasks. Therefore, design methods and criteria that can be applied systematically in a range of situations to encourage universal design are needed. In addition, the seven principles of universal design are intended to guide the design process. The principles provide a framework that allows a systematic evaluation of new or existing designs and assists in educating both designers and consumers about the characteristics of more usable products and environments. However, exactly how these principles are incorporated into the design process has beenleft up to the designer. Since the introduction of universal design, designers have become familiar with the principles of universal design, and they have developed many products based on universal design. However, the principles of universal design are qualitative, which means designers cannot quantitatively evaluate their designs. Some have worked to develop more systematic ways to evaluate products and environments by providing design guidelines for each of the principles. However, recommendations have not yet been made regarding how to integrate performance measures of universal design into the product design process before the product is mass produced. Furthermore, there are sets of requirements regarding each user group that has different age and ability. Consequently, there is an urgent need for design methods, based on a better understanding of age and ability related factors, which will lead to a universally designed product or environment. The authors have proposed the PSD (Preference Set-Based Design) method that can generate a ranged set of feasible solutions (i.e., robust and flexible solution set) instead of single point solution that satisfies changing sets of design targets. The objective of this paper is to develop a general method for systematically supporting the universal design process. This paper proposes the applicability of PSD method to universal design. Here, the proposed method is successfully illustrated with a universal design problem.

Development of a Novel Long-Range 16S rRNA Universal Primer Set for Metagenomic Analysis of Gastrointestinal Microbiota in Newborn Infants

  • Ku, Hye-Jin;Lee, Ju-Hoon
    • Journal of Microbiology and Biotechnology
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    • v.24 no.6
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    • pp.812-822
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    • 2014
  • Metagenomic analysis of the human intestinal microbiota has extended our understanding of the role of these bacteria in improving human intestinal health; however, a number of reports have shown that current total fecal DNA extraction methods and 16S rRNA universal primer sets could affect the species coverage and resolution of these analyses. Here, we improved the extraction method for total DNA from human fecal samples by optimization of the lysis buffer, boiling time (10 min), and bead-beating time (0 min). In addition, we developed a new long-range 16S rRNA universal PCR primer set targeting the V6 to V9 regions with a 580 bp DNA product length. This new 16S rRNA primer set was evaluated by comparison with two previously developed 16S rRNA universal primer sets and showed high species coverage and resolution. The optimized total fecal DNA extraction method and newly designed long-range 16S rRNA universal primer set will be useful for the highly accurate metagenomic analysis of adult and infant intestinal microbiota with minimization of any bias.

REGULAR HOMOMORPHISMS IN TRANSFORMATION GROUPS

  • Yu, Jung Ok
    • Journal of the Chungcheong Mathematical Society
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    • v.14 no.1
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    • pp.49-59
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    • 2001
  • In this paper, we introduce an extended notion of regular homomorphism of minimal sets by considering a certain subgroup of the group of automorphisms of a universal minimal transfomation group.

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r-HOMOMORPHISMS IN TRANSFORMATION GROUPS

  • Yu, Jung Ok;Shin, Se Soon
    • Journal of the Chungcheong Mathematical Society
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    • v.21 no.4
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    • pp.555-562
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    • 2008
  • In this paper, it will be given a necessary and sufficient condition for a function to be an r-homomorphism in connection with the subgroups of the automorphism group of a universal minimal set.

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A Study on the Applicationa of the Universal Design Principles to the Common Space in Museums (박물관 공용공간의 유니버설 디자인 적용성 평가)

  • Yi, Yon Soo;Ha, Mi Kyoung
    • KIEAE Journal
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    • v.9 no.2
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    • pp.9-16
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    • 2009
  • Modern public museums are expanding its role as general cultural facilities. Therefore, the museums that are equipped with convenient and physical environmental features for all ages and types of users are needed. The purpose of this research is to evaluate the application of universal design in common space of the museums and to recommend a set of environmental improvement plans based on which various types of users can decide their choice of museums based on available data on the museums. The scope of this research was limited to seven major public museums located in Seoul, Korea. The spatial scope that was set for this research was common space of the public museums and the scope of the content was about the applicability of universal design. As a result of the research, three major conclusions were reached. First, the application of universal design toward common space in the public museums currently was not prevalent. Second, constant management and application development of universal design are needed. Third, as museums' primary roles and functions become more diverse, a direct application of delicate universal design is a necessary prerequisite to accommodate and fulfill users' needs.

Certificateless multi-signer universal designated multi-verifier signature from elliptic curve group

  • Deng, Lunzhi;Yang, Yixian;Chen, Yuling
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.11 no.11
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    • pp.5625-5641
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    • 2017
  • Certificateless public key cryptography resolves the certificate management problem in traditional public key cryptography and the key escrow problem in identity-based cryptography. In recent years, some good results have been achieved in speeding up the computation of bilinear pairing. However, the computation cost of the pairing is much higher than that of the scalar multiplication over the elliptic curve group. Therefore, it is still significant to design cryptosystem without pairing operations. A multi-signer universal designated multi-verifier signature scheme allows a set of signers to cooperatively generate a public verifiable signature, the signature holder then can propose a new signature such that only the designated set of verifiers can verify it. Multi-signer universal designated multi-verifier signatures are suitable in many different practical applications such as electronic tenders, electronic voting and electronic auctions. In this paper, we propose a certificateless multi-signer universal designated multi-verifier signature scheme and prove the security in the random oracle model. Our scheme does not use pairing operation. To the best of our knowledge, our scheme is the first certificateless multi-signer universal designated multi-verifier signature scheme.

Development of Broad-range and Specific 16S rRNA PCR for Use in Routine Diagnostic Clinical Microbiology (임상미생물 검출을 위한 광대한 범위와 특이도를 가지는 16S rRNA PCR법 개발)

  • Kim, Hyun-Chul;Kim, Yun-Tae;Kim, Hyogyeong;Lee, Sanghoo;Lee, Kyoung-Ryul;Kim, Young-Jin
    • Journal of Life Science
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    • v.24 no.4
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    • pp.361-369
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    • 2014
  • Broad-range and specific 16S rRNA gene PCR is used for detection and identification of bacterial pathogens in clinical specimens from patients with a high suspicion for infection. We describe the development of a broad-range and specific PCR primer, based on bacterial 16S rRNA, for use in routine diagnostic clinical microbiology services. The primers were designed by using conservative regions of 16S rRNA sequences from 10 strains. Ninety-eight clinical strains were isolated from clinical patient specimens. A total of 98 strains of bacteria were identified by phenotypic methods; PCR with newly designed primers and universal primers. All purified PCR products were sequenced using both forward and reverse primers on an automated DNA analyzer. In this study, we evaluated the usefulness of the newly designed primers and the universal primers for the detection of bacteria, and both these techniques were compared with phenotypic methods for bacteria detection. When we also tested 98 strains of clinical isolates with newly designed primers, about 778 bp DNA fragments were amplified and identified from all strains. Of the 98 strains, 94 strains (95.9%) correspond in comparison with phenotypic methods. The newly designed primers showed that the identities of 98 (100%) strains were the same as those obtained by universal PCR primers. The overall agreement between the newly designed primers and universal primers was 100%. The primer set was designed for rapid, accurate, and cheap identification of bacterial pathogens. We think the newly designed primer set is useful for the identification of pathogenic bacteria.

A Study on Application of Universal Design Principles to Interior Common Spaces in Public Libraries (공공도서관 실내 공용공간의 유니버설 디자인 적용성에 관한 연구)

  • Lee, Hyo-Chang;Ha, Mi-Kyoung
    • Korean Institute of Interior Design Journal
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    • v.16 no.5
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    • pp.55-62
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    • 2007
  • Modern public library is expanding its role as generalized cultural facility. Therefore public library that has comfortable and physical environment for various age and various users are needed. The purpose of this research is to evaluate the application of universal design in common space of public library, and trying to suggest environmental improvement plan that various users could comfortably use the library based on its data. The scope of this research were adjusted as 8 public libraries located in Seoul and metropolitan area of Seoul. Spacial scope that was set of this research was common space of public library and scope of content was about application of universal design. As a result of the research, first, the application of universal design toward common space of public library were appeared as low. Second, constant management and application development of universal design is needed. Third, as roles and functions of public library become various from now on, application of delicate universal design is needed for intention of users.

Study on the evaluating universal education surroundings by the universal design standards - Focused on korea National College of rehabilitation & welfare - (대학교육 공간의 유니버설디자인 평가에 관한 연구 - 국립한국재활복지대학을 중심으로)

  • Lim, Jean-Ny
    • Korean Institute of Interior Design Journal
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    • v.15 no.6 s.59
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    • pp.196-204
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    • 2006
  • The education for the disables has been eliminated till now, thus, it is very important that we take them as our real citizens and help them to improve their social standings and extend their chances for occupations. It's true that admissions into a university for the disabled have been promoted, but it's also true that their droppings out of college because of physical environments have been frequently found. Without data on the universal education surroundings and full understanding on the handicapped, making up the week points in the current surroundings is not useful for them in essence. This study is on the evaluating the korea national college of rehabilitation & welfare, set up for the disabled, by the universal design standards and analyzing their satisfaction with the education surroundings, in addition to that, improving on methods of universal education surroundings.