• Title/Summary/Keyword: consensus

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An Analysis of Small-group Children′s Consensus Patterns in Open-ended Problem Solving (개방형 문제 해결 과정에서 나타난 소집단 구성원의 합의 패턴 분석)

  • 박우자;전평국
    • Education of Primary School Mathematics
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    • v.7 no.2
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    • pp.117-129
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    • 2003
  • The purpose of this study is to analyze the interaction patterns and the commonly accepted norms of reaching a consensus among small-group children when solving open-ended problems. In conclusion, open-ended problems have various strategies or different acceptable answers, so they give children learning opportunities to compare the answers and to participate in communication. And more valuable interaction patterns come from 'measuring','classifying' problems and open-ended problems with implicit solution. Therefore, teachers might as well consider the relation between problems and interaction patterns when they pose open-ended problems in a small-group study setting. They are expected to empower children to have sociomathematical norms of reaching a consensus un der indirect and supportive guidance.

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The Consensus on Impression Formation

  • Kim, In-Sook;Seok, Hye-Jung
    • The International Journal of Costume Culture
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    • v.9 no.2
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    • pp.104-112
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    • 2006
  • The studies on impression formation usually have focused on the effect of certain appearance features which elevates perceptual evaluation. This study tried to find out whether there is a consensus on impression formation between the perceived person and the perceiver and if the gender is any significant variable to cast any difference on the impression evaluation. Seven photos of voluntary students in ppt file were projected to 143 students attending a university psychology class and were subjected to a impression evaluation questionnaire consisting of 28 adjective scales. The analysis of result revealed: 1) There was a significant difference between the impression evaluation scores of the perceivers and the perceived; the self evaluation of the perceived person was higher than the perceivers' evaluation. 2) There was also a significant evaluation score difference between the genders of the perceivers; the female perceivers rated the stimuli higher than the male perceivers. There was no interaction effect between the genders of the perceivers and the perceived.

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Order Reduction Paradigm for Consensus of Neutrally Stable Multi-Agent Systems (중립적으로 안정한 다개체 시스템의 일치에 대한 제어기 차수 감소 패러다임)

  • Kim, Hong-Keun;Kim, Seong-Jun;Shim, Hyung-Bo;Back, Ju-Hoon
    • Journal of Institute of Control, Robotics and Systems
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    • v.16 no.3
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    • pp.222-226
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    • 2010
  • In this paper we study the consensus problem of SISO (Single-Input Single-Output) linear multi-agent systems under a fixed weighted undirected network communication. The dynamics of each agent can be of any order, while it is constrained to be neutrally stable. Based on a simple root locus argument, we show that the problem at hand is always solvable if the gain and zeros of the dynamic compensator, of which dimension is the same as the number of plant poles on the imaginary axis, are chosen suitably, finally the result is successfully verified by an example.

Sequence Selectivity of DNA Alkylation by Adozelesin and Carzelesin

  • Yoon, Jung-Hoon;Lee, Chong-Soon
    • Archives of Pharmacal Research
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    • v.21 no.4
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    • pp.385-390
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    • 1998
  • Adozelesin and carzelesin are synthetic analogues of the extremely potent antitumor antibiotic CC-1065, which alkylates N3 of adenine in a consensus sequence $5^1$-(A/T)(A/T)$A^*$ ($A^*$ is the site of alkylation). We have investigated the DNA sequence selectivity of adozelesin and carzelesin by thermally ind ced DNA strand cleavage assay using radiolabeled restriction DNA fragments. An analysis of alkylation patterns shows that the consensus sequences for carzelesin and adozelesin have been found to be $5^1$-(A/T)(A/T)$A^*$ and $5^1$-(A/F)(G/C)(A/T)$A^*$. A new consensus sequence, $5^1$-(A/T)(A/T)$CA^*$, has been observed to display an additional alkylation site for adozelesin but not for carzelesin. These results indicate that the pattern of sequence selectivity induced by carzelesin is similar but not identical to those induced by adozelosin.

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Hierarchical Graph Based Segmentation and Consensus based Human Tracking Technique

  • Ramachandra, Sunitha Madasi;Jayanna, Haradagere Siddaramaiah;Ramegowda, Ramegowda
    • Journal of Information Processing Systems
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    • v.15 no.1
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    • pp.67-90
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    • 2019
  • Accurate detection, tracking and analysis of human movement using robots and other visual surveillance systems is still a challenge. Efforts are on to make the system robust against constraints such as variation in shape, size, pose and occlusion. Traditional methods of detection used the sliding window approach which involved scanning of various sizes of windows across an image. This paper concentrates on employing a state-of-the-art, hierarchical graph based method for segmentation. It has two stages: part level segmentation for color-consistent segments and object level segmentation for category-consistent regions. The tracking phase is achieved by employing SIFT keypoint descriptor based technique in a combined matching and tracking scheme with validation phase. Localization of human region in each frame is performed by keypoints by casting votes for the center of the human detected region. As it is difficult to avoid incorrect keypoints, a consensus-based framework is used to detect voting behavior. The designed methodology is tested on the video sequences having 3 to 4 persons.

And The State Will Prevail: The Elder Caregiver Sector in Singapore and Thailand

  • Devasahayam, Theresa W.;Gray, Rossarin
    • SUVANNABHUMI
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    • v.12 no.1
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    • pp.89-110
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    • 2020
  • Singapore and Thailand have been rapidly ageing. There has been a growing demand for eldercarers in the home-setting for which migrant domestic workers have filled the role. This paper examines the Association of Southeast Asian Nations (ASEAN) Consensus governing women migrant workers entering the eldercare sector. It argues that because the ASEAN Consensus is not legally binding, it only serves to reinforce the sovereignty of states in the treatment of migrant workers instead of member states acting in unison to ensure labour protections for this group; as a result, Singapore and Thailand do not feel the need to step up protections for this group of workers according to national labor laws and hence low-skilled women migrant workers entering the eldercare sector continue to be vulnerable to labour abuses. Thus as with globalization, the ASEAN Economic Community manifests the paradox of borders: that while states are economically interconnected and interdependent, they are simultaneously disconnected and independent from each other.

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COLLECTIVE BEHAVIORS OF SECOND-ORDER NONLINEAR CONSENSUS MODELS WITH A BONDING FORCE

  • Hyunjin Ahn;Junhyeok Byeon;Seung-Yeal Ha;Jaeyoung Yoon
    • Journal of the Korean Mathematical Society
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    • v.61 no.3
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    • pp.565-602
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    • 2024
  • We study the collective behaviors of two second-order nonlinear consensus models with a bonding force, namely the Kuramoto model and the Cucker-Smale model with inter-particle bonding force. The proposed models contain feedback control terms which induce collision avoidance and emergent consensus dynamics in a suitable framework. Through the cooperative interplays between feedback controls, initial state configuration tends to an ordered configuration asymptotically under suitable frameworks which are formulated in terms of system parameters and initial configurations. For a two-particle system on the real line, we show that the relative state tends to the preassigned value asymptotically, and we also provide several numerical examples to analyze the possible nonlinear dynamics of the proposed models, and compare them with analytical results.

Design of Fire Detection System Based on Sensor Network (센서 네트워크 기반 화재 감지 시스템 설계)

  • Yuk, Ui-Su;Kim, Seong-Ho
    • Proceedings of the Korean Institute of Intelligent Systems Conference
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    • 2006.11a
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    • pp.378-382
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    • 2006
  • 현재 주로 사용되고 있는 화재 감지 장치들은 경고 기반으로 되어 있어 정확한 화재 발생의 위치 검색이 어려우며 장치의 고장이 발생한 경우 고장 유/무의 확인이 어려워 보다 큰 인명 피해 및 재산 피해를 가져올 수 있다. 센서 네트워크 시스템은 통신매체 없이 데이터 송/수신이 가능하며 이를 통한 모니터링 환경의 구축이 쉬워 위치검색 및 고장 검출 알고리즘의 적용이 간단하다. 본 논문에서는 WSN 기반의 화재 감지 시스템을 제안하며 오류검출 알고리즘인 Consensus 알고리즘을 적용하여 그 유용성을 확인하고자 한다.

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Blockchain consensus research for NFT-based digital asset transaction (NFT 기반 디지털 자산 거래를 위한 블록체인 합의 연구)

  • Baek, Yeong Tae;Min, Youn A
    • Proceedings of the Korean Society of Computer Information Conference
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    • 2021.07a
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    • pp.111-112
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    • 2021
  • 비대면 사회 확산에 따라 디지털 콘텐츠 등 온라인상으로 거래가 관리되는 디지털 자산의 거래가 증가하고 있다. 영상 및 이미지 등 디지털 자산의 경우 창작자가 자산에 대한 충분한 대가를 받지 못하고 불법 거래 내역에 대한 파악이 어렵다. 본 논문에서는 NFT적용을 통한 효율적 디지털 자산 관리를 위하여 신뢰성과 보안을 강화한 블록체인 합의알고리즘을 연구하고 성능평가를 통하여 기존 합의알고리즘 대비 우수성을 증명하였다.

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