• Title/Summary/Keyword: Scope of influence

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Location Based Concierge Service with Spatially Extended Topology for Moving Objects

  • Lee, Byoung-Jae
    • Spatial Information Research
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    • v.17 no.4
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    • pp.445-454
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    • 2009
  • Beyond simple transfer of information through sensor network, this study will provide the insights about the way to embody the real context aware location based service in an ubiquitous computing environment. In this paper, a new formal approach is introduced to derive knowledge about the scope of influence for a point object. A scope of influence is defined as the conceptual area where there is a possibility of the phenomenon or event occurring because of this point object. A point object can be spatially extended by considering this scope of influence in conjunction with the point. These point objects are called Spatially Extended Point (SEP) objects. Compositions of gradual changes of topological relations between a SEP and the environment near the SEP show how to represent the qualitative spatial behaviors of a SEP objects. These qualitative spatial behaviors will be good standards for Location Based Service (LBS) to provide more subdivided and suitable information to the users.

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Study on the Changes in Residents’ Perception of Neighborhood in the Surrounding Area after the Housing Complex Development - Focused on the cases in Gwang-Ju - (공동주거단지 개발에 따른 주변 거주자의 생활권 인식변화특성 연구 - 광주광역시 사례를 중심으로 -)

  • Lee, Su-Yong;Oh, Se-Gyu;Cho, Sung-Woo
    • Journal of the Korean housing association
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    • v.21 no.2
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    • pp.49-58
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    • 2010
  • This study aims to examine how residents' perception of Neighborhood in the surrounding area changes to the spatial configuration changes due to co-residential area development in old urban area, and find out the characteristics of the perception changes. The research findings are as follows: First, the results of the spatial configuration changes analyzed by Space Syntax Model show that the integration value is between 0.5 and 0.7, which implies that the development in the old urban area does not contribute to the establishment of hierarchy. When the development takes place with the renewal of streets with consideration of the urban context, however, the integration improves relatively. Second, the actual distance and accessibility due to the street network appear to influence the residents' perception of Neighborhood. After the development, the residents' scope of perception increases on average. Third, the changes in the integration value of the streets after the development appear to influence the residents' scope of perception of Neighborhood. It turns out that there are frequent changes in the residents' scope of perception in the surrounding area around the streets with large increase in integration value, and the perception scope also moves to the center.

The Influence of Business Environment Factors on the Characteristics of Management Accounting System(MAS) - Focusing on small and mid-sized enterprises (기업의 경영환경요인이 관리회계시스템에 미치는 영향에 관한 연구: 중소기업을 대상으로)

  • Lee, JeongEun;Lee, ChanHo
    • Journal of Korea Society of Industrial Information Systems
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    • v.27 no.3
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    • pp.127-144
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    • 2022
  • This study attempted to analyze the influence of both internal and external business environment factors on the characteristics of the management accounting system (MAS). For this, external business environment factors were divided into environmental uncertainty and market competition while internal factors were classified into management strategy, organizational structure and advanced manufacturing technology. In addition, the characteristics of the MAS were categorized into information scope, timeliness, integration and aggregation. The study results found the followings: Among business environment factors, environmental uncertainty had a relatively significant effect on the scope, integration and aggregation of information while organizational structure revealed the largest influence on timeliness. However, market competition had no particular effect on the characteristics of the MAS.

A Study for Assessment Scope Set-up of Road Noise in EIA (환경영향평가시 도로소음 평가범위 설정에 대한 연구)

  • Choi, Joongyu;Sun, Hyosung;Choung, Taeryang
    • Journal of Environmental Impact Assessment
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    • v.21 no.4
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    • pp.567-572
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    • 2012
  • This paper suggests the set-up plan of the assessment scope in road noise considering road characteristics with the prediction model of road noise. The RLS90 prediction model with some assumptions is used to establish the assessment scope of road noise. The main contents of the applied assumptions are smooth drive of cars, flat region, location of all noise sources in one lane, drive in design speed, and set-up of assessment scope according to traffic volume and car speed. The information of traffic volume to predict road noise is obtained by the distribution of small cars and full-sized cars in road. In this study, the total traffic volume in road is computed by adding the number of small cars to the conversion number of small cars, which means the number of small cars making the same noise as one full-sized car. The prediction result of road noise with the influence factor of traffic volume, car speed, distance between road and receiver is presented. The resultant assessment scope of road noise is obtained by combining road noise prediction data with the set-up standard of road noise assessment scope.

An Empirical Analysis on the Determinants of Scope of Public Health : the case of developed countries (선진산업국가에서의 공공의료규모 결정요인에 관한 실증분석)

  • 김흥식
    • Health Policy and Management
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    • v.5 no.2
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    • pp.1-17
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    • 1995
  • This paper porports to explicate the factors determining the scope of public health in advanced capitalist countries. A few studies have veen conducted for such a purpose, yet even these studies show the deficiency of failing to consider a very important factor : the influence of medical profession. Since medical profession has played a significant role in the health policymaking, it is necessary to incorporate the hypothesis that assumes the causal links between the differing medical professional power and the vrying scope of public health. Following this view, this paper examined the various hypothese, including the power of medical profession, and found that the variables related to medical professional power as well as social democratic perspectives are its significant factors. In particular, our result shows that the power of medical profesion is the most important determinant, thereby supporting the hypothesis developed in this paper.

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Applicating Scope of SPS Agreement : Focusing on Panel's Interpretation in EC-Biotech Case (SPS협정의 적용범위에 관한 연구 - EC-Biotech 사건의 패널판결을 중심으로 -)

  • Lee, Eun-Sup;Lee, Ju-Young
    • International Commerce and Information Review
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    • v.10 no.4
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    • pp.439-455
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    • 2008
  • The SPS Agreement, concluded in the Uruguay Round for the purpose of controlling SPS risks, has traditionally been recognized to maintain the narrowest scope of application compared with TBT Agreement and GATT in relation with environmental provisions. Contrary to such an understanding on the scope of the SPS Agreement, the panel in the EC-Biotech case found that the SPS Agreement extends to regulate trade-restrictive measures on Genetically Modified Organizations(GMOs) causing health and environmental risks. This expanding scope of the SPS Agreement would have substantial influence on domestic environmental regulations as well as Multilateral Environmental Agreements(MEAs). This paper discusses the consequences of an expanding ambit for the WTO SPS Agreement through the designation of a wider range of health and environmental regulations affecting trade as SPS measures. As a result, not only precautionary measures on GMO risks, but also other health and environmental measures with trade impacts, could be subject to SPS control, and consequently, the institutional rigors of the WTO regime. However, strict and literal interpretation of the SPS provisions to expand its applicable scope would cause concerns about the WTO's intervention on the purely environmental measures. Pursuing harmonized and flexible interpretation of provisions on environment-related conflicts as well as accepting precautionary principle included MEAs will contribute to reduce such kind of concerns.

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Spatial Analysis to Capture Person Environment Interactions through Spatio-Temporally Extended Topology (시공간적으로 확장된 토폴로지를 이용한 개인 환경간 상호작용 파악 공간 분석)

  • Lee, Byoung-Jae
    • Journal of the Korean Geographical Society
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    • v.47 no.3
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    • pp.426-439
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    • 2012
  • The goal of this study is to propose a new method to capture the qualitative person spatial behavior. Beyond tracking or indexing the change of the location of a person, the changes in the relationships between a person and its environment are considered as the main source for the formal model of this study. Specifically, this paper focuses on the movement behavior of a person near the boundary of a region. To capture the behavior of person near the boundary of regions, a new formal approach for integrating an object's scope of influence is described. Such an object, a spatio-temporally extended point (STEP), is considered here by addressing its scope of influence as potential events or interactions area in conjunction with its location. The formalism presented is based on a topological data model and introduces a 12-intersection model to represent the topological relations between a region and the STEP in 2-dimensional space. From the perspective of STEP concept, a prototype analysis results are provided by using GPS tracking data in real world.

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The influence of initial stresses on energy release rate and total electro-mechanical potential energy for penny-shaped interface cracks in PZT/Elastic/PZT sandwich circular plate-disc

  • Akbarov, Surkay D.;Cafarova, Fazile I.;Yahnioglu, Nazmiye
    • Smart Structures and Systems
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    • v.22 no.3
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    • pp.259-276
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    • 2018
  • This paper studies the energies and energy release rate (ERR) for the initially rotationally symmetric compressed (or stretched) in the inward (outward) radial direction of the PZT/Elastic/PZT sandwich circular plate with interface penny-shaped cracks. The investigations are made by utilizing the so-called three-dimensional linearized field equations and relations of electro-elasticity for piezoelectric materials. The quantities related to the initial stress state are determined within the scope of the classical linear theory of piezoelectricity. Mathematical formulation of the corresponding problem and determination of the quantities related to the stress-strain state which appear as a result of the action of the uniformly normal additional opening forces acting on the penny-shaped crack's edges are made within the scope of the aforementioned three-dimensional linearized field equations solution which is obtained with the use of the FEM modelling. Numerical results of the energies and ERR and the influence of the problem parameters on these quantities are presented and discussed for the PZT- 5H/Al/PZT-5H, PZT-4/Al/PZT-4, $BaTiO_3/Al/BaTiO_3$ and PZT-5H/StPZT-5H sandwich plates. In particular, it is established that the magnitude of the influence of the piezoelectricity and initial loading on the ERR increases with crack radius length.

Analysis of Bloggers' Influence Style within Blog

  • Tan, Luke Kien-Weng;Na, Jin-Cheon
    • Journal of Information Science Theory and Practice
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    • v.1 no.2
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    • pp.36-57
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    • 2013
  • Blogs are readily available sources of opinions and sentiments which allows bloggers to exert a certain level of influence over the blog readers. Previous studies had attempted to analyze blog features to detect influence within the blogosphere, but had not studied in details influence at the blogger-level. Other studies studied bloggers' personalities with regards to their propensity to blog, but did not relate the personalities of bloggers to influence. Bloggers may differ in their way or manner of exerting influence. For example, bloggers could be active participants or just passive shares, or whether they express ideas in a rational or subjective manner, or they are received positively or negatively by the readers. In this paper, we further analyze the engagement style (frequency, scope, originality, and consistency of the blog postings), persuasion style (appeals to reasons or emotions), and persona (degree of compliance) of individual bloggers. Methods used include similarity analysis to detect the sharing-creating aspect of engagement style, subjectivity analysis to measure persuasion style, and sentiment analysis to identify persona style. While previous studies analyzed influence at blog site level, our model is shown to provide a fine-grained influence analysis that could further differentiate the bloggers' influence style in a blog site.

Mediating Effect of Information Sources and Platform Characteristics in E-commerce: A Comparison between Korea and China

  • Da-Sol Lee;Je-Man Boo
    • Journal of Korea Trade
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    • v.26 no.7
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    • pp.185-202
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    • 2022
  • Purpose - As overseas direct purchase transactions using e-commerce increase, the scale and scope of international trade are diversified, and the transaction volume using online platforms in e-commerce is increasing. The e-commerce market share will become more important because it is not only a medium connecting B2C, but also because it will expand the scope of trade. This study aims to reveal the factors that influence purchase intention according to Korean-Chinese consumers in e-commerce. In addition, the study has comprehensively confirmed the influence between each factor in the e-commerce environment by integrating and analyzing the characteristic factors of online information sources and platforms in one structural equation. Finally, the study confirmed that there is a significant difference in the influence relationship between Korean and Chinese consumers. Through this, the study will contribute to content production in the e-commerce market according to the target market and the expansion of the mutual entry of Korea and China. Design/methodology - This study aims to confirm the mediating effect of the details of the online information source characteristics and platform characteristics when the perceived quality affects purchase intention. It is confirmed that the factors affecting Korean and Chinese consumers differ. Findings - It was confirmed that differences exist according to the group of Korean or Chinese consumers for the entire research model. In the case of Korean consumers, the mediating factors when perceived quality affects purchase intention are expertise, reliability, entertainment, informativity, and convenience; in the case of Chinese consumers, the factors are expertise and informativity. Originality/value - This study proved that Korean and Chinese consumers cannot be regarded as having the same characteristics, and therefore, strategies aimed at each e-commerce market should be differentiated. In addition, although previous studies on online information sources and platform characteristics were not integrated, this study confirmed a significant influence relationship among the factors that could affect purchase intention in the actual e-commerce environment.