• Title/Summary/Keyword: Group Selection

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Research On The Relevance Between Mixed-use Complex and User Behaviour Based On Three-dimensional Spatial Analysis

  • Zhendong Wang;Yihan Pan;Yi Lu;Xihui Zhou
    • International Journal of High-Rise Buildings
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    • v.12 no.1
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    • pp.83-91
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    • 2023
  • Under the dual pressure of population growth and land shortage, threedimensional development is the inevitable choice for cities in China. In such a scenario, a mixed-use complex has considerable potential in its realization and research. Based on space syntax and the three-dimensional visibility graph analysis, this paper describes the spatial and functional layout of the Shanghai Super Brand Mall and studies the relationship between spatial visibility and user behaviour through linear regression analysis and correlation analysis. This paper studies three different types of user behaviour, namely, path selection, staying selection, and store selection, and finds that spatial visibility and accessibility have different effects on user behaviour depending on the type and purpose of the activity. This paper reveals the influence of spatial and functional layout on user behaviour and puts forward the corresponding design strategy under the three-dimensional environment.

Identifying Copy Number Variants under Selection in Geographically Structured Populations Based on F-statistics

  • Song, Hae-Hiang;Hu, Hae-Jin;Seok, In-Hae;Chung, Yeun-Jun
    • Genomics & Informatics
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    • v.10 no.2
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    • pp.81-87
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    • 2012
  • Large-scale copy number variants (CNVs) in the human provide the raw material for delineating population differences, as natural selection may have affected at least some of the CNVs thus far discovered. Although the examination of relatively large numbers of specific ethnic groups has recently started in regard to inter-ethnic group differences in CNVs, identifying and understanding particular instances of natural selection have not been performed. The traditional $F_{ST}$ measure, obtained from differences in allele frequencies between populations, has been used to identify CNVs loci subject to geographically varying selection. Here, we review advances and the application of multinomial-Dirichlet likelihood methods of inference for identifying genome regions that have been subject to natural selection with the $F_{ST}$ estimates. The contents of presentation are not new; however, this review clarifies how the application of the methods to CNV data, which remains largely unexplored, is possible. A hierarchical Bayesian method, which is implemented via Markov Chain Monte Carlo, estimates locus-specific $F_{ST}$ and can identify outlying CNVs loci with large values of FST. By applying this Bayesian method to the publicly available CNV data, we identified the CNV loci that show signals of natural selection, which may elucidate the genetic basis of human disease and diversity.

Analysis of Correlation and Group Difference for Selection of Elementary Fusion Gifted Students (초등융합영재 선발요소의 상관관계 및 그룹 차이 분석)

  • Min, Meekyung;Kim, Kapsu
    • Journal of The Korean Association of Information Education
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    • v.22 no.4
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    • pp.491-500
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    • 2018
  • In the era of the Fourth Industrial Revolution, talents should not be subordinated to a particular discipline, but must be able to converge a variety of disciplines. It is important to have a fused thinking because elementary school students are likely to make various changes. Therefore, when selecting elementary gifted students, they are selecting students for fusion gifted students. This study examines the effects of creative problem solving ability, document evaluation, and interview factors on student selection when selecting students for gifted students. The results show that creative problem solving ability has the most influence on selection. In the case of the fifth graders, the creative problem solving ability and the document evaluation influence the selection. In fourth graders, the creative problem solving ability and interview affect the selection. In the case of female students, it was found that creative problem solving ability and document evaluation influenced selection. In addition, there was a gender difference in the evaluation of documents in the gender difference analysis. There is no significant difference between the three groups in the grade-by-grade difference analysis.

The Development of a Tool for Selection of LAN Switch with QoS (QoS를 고려한 LAN 스위치 선정 도구 개발)

  • Lee, Phil-Jai;Lee, Jong-Moo;Shin, In-Chul
    • The Transactions of the Korea Information Processing Society
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    • v.4 no.10
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    • pp.2533-2543
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    • 1997
  • It is necessary to understand and apply the concept of Quality of Service(QoS) for the objective selection among the computer network equipment. Because ITU-T E.800 recommendation covers the service quality of provider's viewpoint and the satisfaction of user, it can be used to evaluate and select the product of computer network systems. This paper is concerned with the development of an evaluation model using QoS and software tool for selection of the most suitable LAN switch. We apply the Analytic Hierarchy Process(AHP) method of Saaty which has been in a multiple criteria framework for an effective group decision process to the selection of LAN switch. The sample data are collected and processed from a questionnaire of professionals in the network field. And we implement a prototype tool for the selection of LAN switch according to the suggested selection model and analyse the result. The result of our research is expected to be a useful tool for decision making to evaluate and select the LAN switch and also can be applied to the decision making of evaluation and selection related to the product of computer network with QoS.

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Resource Allocation Scheme for Outage Enhancement in Downlink Non-Orthogonal Multiple Access Systems Using Transmit Antenna Selection (송신 안테나 선택을 이용하는 하향링크 비직교 다중 접속 시스템에서 아웃티지 개선을 위한 자원 할당 기법)

  • Lee, In-Ho
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.26 no.9
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    • pp.1340-1346
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    • 2022
  • In this paper, we consider a downlink non-orthogonal multiple access (NOMA) using multiple transmit antennas, where the transmit antenna selection scheme is used to reduce the system complexity. Thus, in this paper, we propose radio resource allocation and receiver selection schemes in order to improve the outage probability performance of the downlink NOMA system using the transmit antenna selection scheme. In particular, the receiver selection scheme is a method of grouping the receivers to improve the outage probability performance, and the radio resource allocation scheme is a method of allocating radio resources to each group in order to enhance the outage probability performance. In addition, through the computer simulation under the assumption of independent Rayleigh fading channels, we show that the proposed radio resource allocation and receiver selection schemes can improve the outage probability performance at the expense of the sum rate performance.

Studies on the Dietary Self-selection by Egg-type Layers (난용계(卵用鷄) 산란기(産卵期)의 선택채식(選擇採食)에 관(關)한 연구(硏究))

  • Lee, K.H.;Lee, D.S.
    • Korean Journal of Poultry Science
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    • v.21 no.1
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    • pp.41-48
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    • 1994
  • In order to get information for the improvement of feeding systems of egg-type layers, a dietary self-selection study was conducted. Corn diet, soybean meal diet, wheat bran diet, soybean meal+fish meal diet, and limestone diet were individually prepared for self-selection regime. Forty brown layers were offered either a control laying diet (C) or one of the 3 self-selection regime consisted of corn-soybean meal-limestone diet ($T_1$), corn-soybean meal-wheat bran-limestone diet ($T_2$) and corn-soybean meal+fish meal-wheat bran-limestone diet ($T_3$) for one wk each at 31 wk and 41 wk of age. In all dietary treatments, most of the eggs were laid from 0700 h 1300 h and hens consumed more feed, energy and protein on egg forming days than on non-forming days. On egg forming days, hens fed self-selection regime consumed less energy and protein than those fed control diet. On egg forming days, the consumption of feed, energy and protein increased continuously from 1000 h 2200 h in the control diet group but they decreased during the last 3 hours from 1900 h to 2200 h in self-selection regime groups. Up to 1600 h, calcium intake of the self-selection regime groups were much less than that of the control group but after that time, they increased markedly and were much more than that of the control group. The results of the study suggest that the practical self-selection regime for layers should be developed to meet the daily cyclic requirement for nutrients without consuming an excess energy and protein at certain times of the day.

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A Study on Gifted Students Academic Emotion, Metacognition, Self-Efficacy According to Gifted Students Selection Methods between the examination selection and the automatic promotion (영재학생의 시험선발과 자동진급방법에 따른 영재학생의 학업정서, 메타인지능력, 자기효능감에 관한 연구)

  • Jeong, Jin Sook;Choi, Sun Young
    • Journal of Science Education
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    • v.39 no.2
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    • pp.278-289
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    • 2015
  • The purpose of this study is to analyze selection methods of gifted students. This study focuses on the understanding the characteristics of gifted students in accordance with the selection methods, i.e. the examination selection and automatic promotion by analyzing and comparing the academic emotion, meta-cognition, and self-efficacy between gifted students selected according to the selection methods. Moreover, for the purpose of the effective gifted education, this study aims to arrange a reasonable basis for the discrimination and selection of gifted students. The results of this study were as follows. First, there was no meaningful difference between gifted students selected by an examination and promoted automatically in view of academic emotion, meta-cognition, and self-efficacy of gifted students. It is determined that there is no difference between the effects of selection methods under the condition of the same group of gifted students. Second, regarding the academic emotion of gifted students, there is no significant difference in both the elementary and middle school in case of examination selection. However, in case of the automatic promotion, the academic emotion of gifted students promoted automatically in the gifted education center was higher than that of the gifted students in the gifted class (p < .05). Regarding the meta-cognitive skill, there is no difference in the elementary school between the selection methods. In case of the examination selection in the middle school, the meta-cognitive skill of male students of the gifted education center was higher than that of the female and gifted class students (p < .05). In case of the automatic promotion in the middle school, the meta-cognitive skill of students of the gifted education center was higher than that of students of the gifted class (p < .05). As for the case of self-efficacy, there were no differences between the selection methods. In the automatic promotion, self-efficacy of students of the gifted education center was higher than that of students of the gifted class (p < .05).

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그룹의사결정 지원을 위한 계층적 분석과정: 시뮬레이션 접근방법

  • 안병석
    • Proceedings of the Korean Operations and Management Science Society Conference
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    • 2001.10a
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    • pp.106-110
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    • 2001
  • The Analytic Hierarchy Process (AHP) is well suited to group decision making and offers numerous benefits as a synthesizing mechanism in group decisions. To date, the majority of AHP applications have been in group settings. In general, aggregation methods employed in AHP can be largely classified into two methods: geometric mean method and (weighted) arithmetic mean method. In a situation where there do not exist clear guidelines for selection between them, two methods do not always guarantee the same group decision result. Thus we suggest a simulation approach for building group consensus as a complementary tool, even when just group judgments are required. Without any efforts to make point estimates from individual diverse preference judgments, a simulation approach suggests the process how the individual preference judgments are aggregated into consensus, displaying possible disagreements as is natural in group members' different viewpoints.

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High Speed and Sensitive X-ray Analysis System with Automated Aberration Correction Scanning Transmission Electron Microscope

  • Inada, Hiromi;Hirayama, Yoichi;Tamura, Keiji;Terauchi, Daisuke;Namekawa, Ryoji;Shichiji, Takeharu;Sato, Takahiro;Suzuki, Yuya;Ohtsu, Yoshihiro;Watanabe, Keitaro;Konno, Mitsuru;Tanaka, Hiroyuki;Saito, Koichiro;Shimoyama, Wataru;Nakamura, Kuniyasu;Kaji, Kazutoshi;Hashimoto, Takahito
    • Applied Microscopy
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    • v.45 no.1
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    • pp.1-8
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    • 2015
  • We have developed a new HD-2700 (Hitachi High-Technologies Corp., Japan) scanning transmission electron microscope (STEM) that includes an automatic aberration correction function, and a large-solid-angle energy-dispersive X-ray spectroscopy detector that enables high-resolution and sensitive analysis. For observation with atomic resolution, using spherical-aberration-corrected STEM, in order that satisfactory performance of the device can be achieved readily, and within a short time, irrespective of the operator's skill level, a spherical-aberration-correction device with an automatic aberration-correction function was developed. This automatic aberration-correction function carries out the entire correction-related process (aberration measurement, selection and correction) automatically, with automatic selection of the aberrations that require correction, and automatic measurement of the appropriate corrections.

Effect of Career Counseling and Career Experience on Career Decision-Making Self-Efficacy for High School Students (고등학생의 진로상담 교육과 진로체험 교육이 진로결정 자기효능감에 미친 영향)

  • Paik, Ju Kyung;Chun, Jun Hyep
    • Journal of Naturopathy
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    • v.8 no.1
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    • pp.40-51
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    • 2019
  • Purpose: The purpose of this study was to investigate the satisfaction of school career education activities (Career counseling, Career and career experience, Career camp, Entrepreneurship and entreperneurship experience, Field trips, University or major experience, and Creative experience activities) in Jeonju high school and Gunsan high school students (568 students), and then to analyze career decision-making self-efficacy of its goal selection, job information, problem solving, and future plan by high (a), middle (b), and low (c) groups according to satisfaction level. Methods: After the career counseling training, questionnaires were surveyed. Results: Career decision - making self - efficacy was significantly higher in the a group than in the b & c groups by order of a>b>c group in the goal selection, job information, problem-solving and future plan by the educational satisfaction on career counseling, career and career experience, college or major experience, creative experiential activity classes (p<.001). The average satisfaction level of career camp, and entrepreneurship and creative experience class was a> c> b group order. There was not a statistically significant difference between the a, b, and c groups. Average satisfaction of field trip class showed a>c>b group order, and a group was significantly higher than b & c group. Conclusion: The higher satisfaction of career education shows higher self-determination efficacy of goal selection, job information, problem solving and future plan.