• Title/Summary/Keyword: complex representation

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The Effects of Mathematical Problem Solving depending on Analogical Conditions (유추 조건에 따른 수학적 문제 해결 효과)

  • Ban, Eun-Seob;Shin, Jae-Hong
    • Journal of the Korean School Mathematics Society
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    • v.15 no.3
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    • pp.535-563
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    • 2012
  • This study was conducted to confirm the necessity of analogical thinking and to empirically verify the effectiveness of analogical reasoning through the visual representation by analyzing the factors of problem solving depending on analogical conditions. Four conditions (a visual representation mapping condition, a conceptual mapping condition, a retrieval hint condition and no hint condition) were set up for the above purpose and 80 twelfth-grade students from C high-School in Cheong-Ju, Chung-Buk participated in the present study as subjects. They solved the same mathematical problem about sequence of complex numbers in their differed process requirements for analogical transfer. The problem solving rates for each condition were analyzed by Chi-square analysis using SPSS 12.0 program. The results of this study indicate that retrieval of base knowledge is restricted when participants do not use analogy intentionally in problem solving and the mapping of the base and target concepts through the visual representation would be closely related to successful analogical transfer. As the results of this study offer, analogical thinking is necessary while solving mathematical problems and it supports empirically the conclusion that recognition of the relational similarity between base and target concepts by the aid of visual representation is closely associated with successful problem solving.

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Informatics Network Representation Using Probabilistic Graphical Models of Network Genetics (유전자 네트워크에서 확률적 그래프 모델을 이용한 정보 네트워크 추론)

  • Ra Sang-Dong;Park Dong-Suk;Youn Young-Ji
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.10 no.8
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    • pp.1386-1392
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    • 2006
  • This study is a numerical representative modelling analysis for applying the process that unravels networks between cells in genetics to WWW of informatics. Using the probabilistic graphical model, the insight from the data describing biological networks is used for making a probabilistic function. Rather than a complex network of cells, we reconstruct a simple lower-stage model and show a genetic representation level from the genetic based network logic. We made probabilistic graphical models from genetic data and extends them to genetic representation data in the method of network modelling in informatics.

Informatics Network Representation Between Cells Using Probabilistic Graphical Models (확률적 그래프 모델을 이용한 세포 간 정보 네트워크 추론)

  • Ra, Sang-Dong;Shin, Hyun-Jae;Cha, Wol-Suk
    • KSBB Journal
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    • v.21 no.4
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    • pp.231-235
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    • 2006
  • This study is a numerical representative modeling analysis for the application of the process that unravels networks between cells in genetics to web of informatics. Using the probabilistic graphical model, the insight from the data describing biological networks is used for making a probabilistic function. Rather than a complex network of cells, we reconstruct a simple lower-stage model and show a genetic representation level from the genetic based network logic. We made probabilistic graphical models from genetic data and extends them to genetic representation data in the method of network modeling in informatics

Representation of the Body in Dress and Painting - Focusing on the Works of Francis Bacon and Rei Kawakubo - (복식과 회화에 표현되는 몸의 재현 - 프란시스 베이컨의 작품과 레이 카와쿠보의 컬렉션을 중심으로 -)

  • Yim, Eunhyuk
    • Journal of Fashion Business
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    • v.17 no.4
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    • pp.40-57
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    • 2013
  • In examining the relationship between fashion and art which are intimately interrelated, the body is a suitable subject in that it is the common object of representation. This study investigates and compares the images of the body in Francis Bacon's paintings from 1940s to 1970s and the formative aspect and aesthetic value of the abstract body images in Rei Kawakubo's designs since 1980s. The figures in Bacon's paintings are confusingly and atypically deformed as well as distorted, which are the combinations of the anatomies without references, not so much represented objects as experienced sense. Kawakubo's designs attempt to deform the body, moreover, she transforms the body; represent abstract forms without association with any other figures that exist, emphasizing sculptural or architectural shapes of garment. She suggests extensive visual language of dress by challenging the norms of beauty. The body in Bacon and Kawakubo's works is dispersive as well as complex in that the body images are deconstructed, fragmented, and exaggerated. Respectively, they articulate the perception of the body in postmodernism era by destroying the myth of subject; furthermore establish the aesthetics that transcend conventional ideals by reevaluating as well as refusing the standards of beauty.

An Analysis of the Conceptions about the Nature Phenomenon Using SBF Conceptual Representation in the 6th Students (SBF Conceptual Representation을 활용한 초등학교 6학년 학생들의 자연현상 개념 분석)

  • Moon, Byoung-Chan;Kim, Hai-Gyoung
    • Journal of the Korean Society of Earth Science Education
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    • v.3 no.1
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    • pp.1-8
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    • 2010
  • The purpose of this study was to analysis the 6th students' conceptions of the nature phenomenon focused on the systematic characteristics. For this study, 12 students of the 6th grades participated in special class for testing their conceptions about the water cycle in the earth system. And we analyzed the outcomes of students' conceptions based on SBF conceptual representation. The results indicate that most of the subjects perceived that the water cycle in earth system wasn't complex system maintaining its existence and functions as a whole through the interaction of its parts but simple system maintaining some actions between atmosphere and hydrosphere, geosphere, biosphere(biological world). And they didn't perceive the characteristics of the water cycle whose all parts must be presented the change of volume between vapor and water, glacier proposing the total hydro-volume are established in the earth system. Based on the results, it was suggested that the main goals of the schools' science education should be to provide students who understand the water cycle system as attaching importance to form with the skills needed to coherent understanding of the essential qualities for the nature phenomenon system.

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A Study on Representation Techniques of Visual Tactility in the Surface of Contemporary Architectutre (현대건축의 표면에 나타난 시각적 촉각의 표현기법에 관한 연구)

  • Jeon, You-Chang;Kim, Sung-Wook
    • Korean Institute of Interior Design Journal
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    • v.17 no.3
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    • pp.139-147
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    • 2008
  • Modern architecture's optical mechanism focused on Ocuularcentrism neglects the tactility of vision and tends to eliminate the optical and tactile dualism of traditional spaces by representing spaces and surfaces that are abstract and cold-hearted. In other words, all sensory experiences, except for visual experiences, are eliminated to make it impossible to create the substantial core of architecture that combines time, image, and surface textures. The fast-changing social trends, the emergence of new materials and technologies, and the corresponding development of various types of media since the Industrial Revolution have changed the paradigm of human perception and representation. With the development of media, other sensory experiences besides visual experience have been stressed and human perception has converted from single perspective to complex perspective. In result, new sensory items, such as visual tactility, have replaced the traditional vision-centered hierarchy. The composition of architectural surfaces has represented the functional and commercial needs of technology, structure, as well as the socio-cultural needs of the community. In contemporary times, it is being changed and developed by the new tactility and the corresponding expression of modern architecture. Based on the visual representation of tactility of architectural surface, this study used a composition of surface that combines various events, meanings, and senses to examine how architecture can mediate and reproduce viewers' visual experiences and discover the existential relationship between architecture and men.

Software Engineering Meets Network Engineering: Conceptual Model for Events Monitoring and Logging

  • Al-Fedaghi, Sabah;Behbehani, Bader
    • International Journal of Computer Science & Network Security
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    • v.21 no.12
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    • pp.9-20
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    • 2021
  • Abstraction applied in computer networking hides network details behind a well-defined representation by building a model that captures an essential aspect of the network system. Two current methods of representation are available, one based on graph theory, where a network node is reduced to a point in a graph, and the other the use of non-methodological iconic depictions such as human heads, walls, towers or computer racks. In this paper, we adopt an abstract representation methodology, the thinging machine (TM), proposed in software engineering to model computer networks. TM defines a single coherent network architecture and topology that is constituted from only five generic actions with two types of arrows. Without loss of generality, this paper applies TM to model the area of network monitoring in packet-mode transmission. Complex network documents are difficult to maintain and are not guaranteed to mirror actual situations. Network monitoring is constant monitoring for and alerting of malfunctions, failures, stoppages or suspicious activities in a network system. Current monitoring systems are built on ad hoc descriptions that lack systemization. The TM model of monitoring presents a theoretical foundation integrated with events and behavior descriptions. To investigate TM modeling's feasibility, we apply it to an existing computer network in a Kuwaiti enterprise to create an integrated network system that includes hardware, software and communication facilities. The final specifications point to TM modeling's viability in the computer networking field.

Time series representation for clustering using unbalanced Haar wavelet transformation (불균형 Haar 웨이블릿 변환을 이용한 군집화를 위한 시계열 표현)

  • Lee, Sehun;Baek, Changryong
    • The Korean Journal of Applied Statistics
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    • v.31 no.6
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    • pp.707-719
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    • 2018
  • Various time series representation methods have been proposed for efficient time series clustering and classification. Lin et al. (DMKD, 15, 107-144, 2007) proposed a symbolic aggregate approximation (SAX) method based on symbolic representations after approximating the original time series using piecewise local mean. The performance of SAX therefore depends heavily on how well the piecewise local averages approximate original time series features. SAX equally divides the entire series into an arbitrary number of segments; however, it is not sufficient to capture key features from complex, large-scale time series data. Therefore, this paper considers data-adaptive local constant approximation of the time series using the unbalanced Haar wavelet transformation. The proposed method is shown to outperforms SAX in many real-world data applications.

Do Simple Objects Facilitate Infants' Formation of a Spatial Category?

  • Park, You-Jeong;Casasola, Marianella;Kim, Jin-Wook
    • Child Studies in Asia-Pacific Contexts
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    • v.2 no.2
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    • pp.77-90
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    • 2012
  • The present study investigated infants' ability to form a category of a support relation (i.e., "on") when the objects depicting the relation were perceptually simple versus more complex. Twenty Korean infants of 14 months were habituated to dynamic support events with objects that were either simple or more complex in appearance. They were then tested with events that differed from the habituation events in the specific objects, spatial relation, or both. Infants formed a support category whether familiarized to simple or complex objects, looking significantly longer at test events with a novel than familiar relation. The results indicate that at 14 months of age, object features do not impact infants' ability to form a categorical representation of support.

Representation of Knowledge in K-CLIPS - Expert System Development Tool (전문가시스템도구인 K-CLIPS에서의 지식표현)

  • 최창근;백종균
    • Proceedings of the Computational Structural Engineering Institute Conference
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    • 1989.04a
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    • pp.71-76
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    • 1989
  • Structural design, generally engineering design, is a complex process combinding design knowledges and analysis techniques. While analysis techniques can be automated in an algorithmic fashion, relatively little work has been done in the area of the design automation. An effect approach method for the automation of the engineering design may be a hybrid system, in which design knowledges, specification requirements and interpretations are represented using an expert system methodology and numerically intensive operations of the design process are implemented using an algorithmic language such as FORTRAN. The purpose of this paper is concentrated on the knowledge of K-CLIPS(KAIST-C Language Integrated Production System) used to design and implement this hybrid system. In K-CLIPS, some representation methods : frame, production rule, fact and user defined function are used to construct the knowledge base. The hierarchical knowledges could be expressed more naturally with a little number of rules than other plain production systems.

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