• Title/Summary/Keyword: Usability Analysis

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Mapping Experiential Context factors on the Website Use Experience : through analysis of practical use cases (웹 사용 경험의 정황 요소 매핑에 관한 연구 : 실증적 사례 분석을 중심으로)

  • 김현정
    • Archives of design research
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    • v.17 no.1
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    • pp.265-276
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    • 2004
  • User experience in web site is beyond Usability, and should be understood in a context. However, the concrete contextual factors of web site experience is not systematically established enough. Therefore, the objective of this research is to establish a framework of mapping experiential context factors with analyzing real web site use cases, and to propose how it is can be applied in the process of web site contents planning. First of all, theoretical framework for the web experience and contextual factors was prepared by secondary research. Second, user experience on music casting sites was collected through web diary method, self-video recording method, and group interview. Then, collected experience was re-constructed with scenarios. Scenarios are analyzed into contextual factors and these factors are categorized, given hierarchies and located into context map. Third, the possibility of applying the context map of web site experience was discussed. The systematical and concrete sample of context map based on practical use cases can be applied in the innovative and cross-genre web contents planning process.

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Design and Implementation of JBI Component Deployment tool Based on the open sources (오픈소스 기반의 JBI 컴포넌트배치도구의 설계 및 구현)

  • Park, Jae-Won;Choi, Jae-Hyun;Lee, Jae-Sung;Lee, Nam-Yong
    • The KIPS Transactions:PartD
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    • v.16D no.5
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    • pp.715-728
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    • 2009
  • The Enterprise Service Bus based on Java Business Integration is an web service standard and one of the methods for implementing distribution channels of Service Oriented Architecture. Consisting of open source group, extensive venders and users, the ESB based JBI has the problems of ineffectiveness as well as advantages of extensibility of service plug-in. That is, in case users need to use Service plug-in, manual connection of packaging process and sequential distribution method is required. This study, therefore, proposes as a way of trouble-shooting the user-oriented component deployment tool which can manage entire process for deploying The ESB middleware platform to Service unit. At the same time, this study elicited the requirements based on issues of JBI-based ESB and has developed the modeling property, packaging, distribution and evaluation thru Schema analysis of JBI-compatible component. Using the deployment tool this study proposed, users will be able to perform and manage the whole deploying process without additional manual work for connecting component. Not only it is expected that interface based on Graphic User Interface provide usability and convenience but they can also minimize the errors rate through component and route validity verification function provided in deployment tool.

A Hydration Reaction and Strength Development Properties of Cement Using Pond Ash in Coal Fired Power Plant (화력 발전소 매립회를 치환한 시멘트의 수화반응 및 강도발현 특성)

  • Lee, Jae-Seung;Noh, Sang-Kyun;Shin, Hong-Chul
    • Journal of the Korean Recycled Construction Resources Institute
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    • v.9 no.4
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    • pp.578-584
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    • 2021
  • This study comparatively analyzed the properties of hydration reaction and strength development of four types of pond ash(PA) and fly ash(FA), aiming for the effective use of PA. The PA whose chlorine content was highest due to the seawater movement method had a faster setting time, higher cumulative heat, and greater initial strength development than those of FA due to the acceleration of the cement hydration reaction. However, the activity factor increase rate decreased after seven days of curing due to the rapid generation of early hydrates. The PA that contained impurities, such as a large amount of unburned carbon, had a delayed setting time due to the lower hydration reaction. Moreover, the strength was degraded in all curing ages. The PA whose chlorine content was lower due to the freshwater movement method and the amorphous content exhibited similar hydration reactivity and strength development characteristics compared to that of FA. The thermogravimetric analysis results verified that it had a similar level of Ca(OH)2 consumption and pozzolanic reactivity with that of FA. Conclusively, it is necessary to expand the application of the freshwater movement method and manage the ignition loss to raise PA's usability.

Hydration Properties of Cement Matrix using Electrolysis Alkaline Aqueous and Ground Granulated Blast Furnace Slag (전기분해 알칼리 수 및 고로슬래그 미분말 혼입 시멘트 경화체의 수화 특성)

  • Jung, Yoong-Hoon;Kim, Ho-Jin;Park, Sun-Gyu
    • Journal of the Korean Recycled Construction Resources Institute
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    • v.9 no.2
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    • pp.185-190
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    • 2021
  • Cement has been used as a main material in the modern construction industry. However, it has been pointed out as a main cause of global warming due to carbon dioxide generated during manufactured. Recently, research that replacing cement substitute to industrial by-products such as Blast Furnace Slag which is by-producted in steelworks. When Blast Furnace Slag is used as a cement substitute, it shows a problem of lower initial strength, which is caused by glassy membrane on the particle surface. In this study, we used Electrolysis Alkaline Aqueous to improve the usability and problem of lower initial strength. As a result of the experiment, cement matrix using Blast Furnace Slag and Alkaline Aqueous showed initial strength and hydrate product were developed than that using general mixing water. Also, as a result of porosity analysis, It was confirmed that cement matrix using Alkaline Aqueous and Blast Furnace Slag has a tighter structure in internal porosity and porosity distribution than using general mixing water.

A Study of Functional Performance on Smartphone according to Age Difference (나이 차이에 따른 스마트폰 기능 수행도 연구)

  • Yoon, Cheol-Ho
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.20 no.3
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    • pp.318-323
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    • 2019
  • In this study, we examined the differences in age among the various functions required for everyday life through smartphone using environment. The subjects were composed of 30 young adults and 30 elderly people. We set up 12 tasks to evaluate the performance of smartphone functions. At the same time, a questionnaire about smartphone usage habits was made. The questionnaire consists of items related to user history and usage habits. ANOVA analysis was performed using Minitab version 14, and statistically significant differences were found in 10 tasks. The result of the actual values for each task showed that the elderly generally took more time to perform all the tasks than the younger ones. Especially, the tendency of the task which requires a lot of keystrokes was revealed. Especially, in the case of a task requiring a lot of keystrokes, the tendency was remarkable. Young adults have found that they use all functions uniformly overall, and the functions used by the elderly were biased toward some functions, such as dialing, text, kakao talk, and searching. These results suggest that young people use smartphones more frequently than elderly people, and as they become accustomed to using smartphones, the time required to perform functions may be shortened. We suggest that it is necessary to design in terms of hardware or software so that the elderly people can input easily and conveniently.

A Functional Analysis of NEIS School Affairs Business System : From the Records Management Perspective (교무업무시스템의 기록관리 기능 분석 - 학교생활기록부를 중심으로 -)

  • Lim, Mi-Suk
    • The Korean Journal of Archival Studies
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    • no.18
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    • pp.91-138
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    • 2008
  • A fast foot of information communication technology is appearing as expansion of prompt administrative service desire and national participation desire regarding administration. This is following again by government innovation and demand of customer-oriented governmental implementation with information technology. The Ministries of Education and Human Resources Development proceeded with National Education Information System(NEIS) for the aim of educational informatization at a highest global level. NEIS that was operated from 2003 established a system in Educational Offices in 16 cities/province and the Ministry of Education and Human Resources Development, and connected all educational administration organizations and primary and middle schools with Internet. Thus, NEIS processes electronically the general administration affairs in educational administration organizations each unit school. The NEIS school affairs business system that is newly enforced is producing an important documentation (of semi-permanent level) such as personal information and grade of students including School Human Document with electronic methods. However, we need to guarantee authenticity, integrity, reliability and usability of documentation because school affairs business system is producing important documentation under poor circumstances. According to this necessity, school affairs business system analyzed how many a record management function includes by the ISO 15489 that was an international record managerial standard. On the basis of these analyses, I will present a plan for management of a school documentation in this study. These researches are meaningful in electronically analyzing a record management function of the National Education Information System(NEIS) and in documentarily approaching management plan. I expect theses researches to be able to used as useful data for documental management plan preparations regarding a productive documentation of all kinds of business systems using in public institutions as well as National Education Information System(NEIS).

A study for Desertification Monitoring and Assessment based on satellite imagery in Tunisia (위성영상기반 튀니지 사막화 모니터링 및 평가에 관한 연구)

  • KIM, Ji-Won;SONG, Chol-Ho;PARK, Eun-Been;LEE, Jong-Yeol;CHOI, Sol-E;LEE, Eun-Jung;LEE, Woo-Kyun
    • Journal of the Korean Association of Geographic Information Studies
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    • v.21 no.4
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    • pp.91-107
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    • 2018
  • It is required to monitor and assess the desertification in Tunisia, where the Sahara Desert, which is located in the southern part of Tunisia, is recently expanding northward. In this study, by using remote sensed data, land cover changes were examined, and the Normalized Difference Vegetation Index (NDVI), Topsoil Grain Size Index (TGSI) and Albedo are used to monitor and assess desertification in Tunisia. Decision Tree was constructed, and the frequencies and trends of each assessment indicator, desertification degree and land cover were identified. In addition, we analyzed the correlation between assessment indicators and precipitation. As a result, desertification is generally intensifying northward, especially in areas with high levels of desertification. Also, bivariate correlation analysis showed that Albedo, NDVI and TGSI were all highly correlated with precipitation. It indicates that changes in precipitation have also been shown to affect Tunisian desertification. In conclusion, this study has improved the usability of various methodologies considering the assessment indicators based on satellite imagery, Decision Tree, which is a method of evaluating them complexly, and trends of land cover change.

Agent-based Modeling and Analysis of Tactical Reconnaissance Behavior with Manned and Unmanned Vehicles (에이전트 기반 유·무인 수색정찰 전술행위 모델링 및 분석)

  • Kim, Ju Youn;Han, Sang Woo;Pyun, Jai Jeong
    • Journal of the Korea Society for Simulation
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    • v.27 no.4
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    • pp.47-60
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    • 2018
  • Today's unmanned technology, which is being used in various industries, is expected to be able to make autonomous judgements as autonomous technology matures, in the long run aspects. In order to improve the usability of unmanned system in the military field, it is necessary to develop a technique for systematically and quantitatively analyzing the efficiency and effectiveness of the unmanned system by means of a substitute for the tasks performed by humans. In this paper, we propose the method of representing rule-based tactical behavior and modeling manned and unmanned reconnaissance agents that can effectively analyze the path alternatives which is required for the future armored cavalry to establish a reconnaissance mission plan. First, we model the unmanned ground vehicle, small tactical vehicle, and combatant as an agent concept. Next, we implement the proposed agent behavior rules, e.g., maneuver, detection, route determination, and combatant's dismount point selection, by NetLogo. Considering the conditions of maneuver, enemy threat elements, reconnaissance assets, appropriate routes are automatically selected on the operation area. It is expected that it will be useful in analyzing unmanned ground system effects by calculating reconnaissance conducted area, time, and combat contribution ratio on the route.

A Biomechanics-Based Ergonomic Analysis for Footware Development (풋웨어 개발을 위한 생체역학 기반 인간공학적 분석 : B-boy 신발 개발을 중심으로)

  • Hah, Chong-Ku;Jang, Young-Kwan;Kim, Jin-Hyun
    • Journal of Convergence for Information Technology
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    • v.9 no.8
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    • pp.140-147
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    • 2019
  • The purpose of this study is to find biomechanical parameters for optimal shoes production through an ergonomic usability assessment of five existing types of shoes preferred by B-BOY. Ten experts and ten non-experts participated in the experiment, and 12 infrared cameras (Qualis, Oqus), force plate (Kistler, 9286AA) and foot pressure plate (Zebris Gmbh, Zebris PDM-System) were used to obtain the data. The results of the study are as follows. First, P shoes with a friction coefficient of 0.38 and a free moment of 0.32 N/m/kg are desirable in terms of traction capability and safety. Second, on the cushion, it was found that the N shoes 2.51 N, sec/kg and non-expert, and 2.86 N and sec/kg were suitable. Third, it is deemed appropriate for C shoes with a forefoot average pressure of 10.11 KPa (right), 10.05 KPa (left), and V shoes with a rearfoot average pressure of 8.4 KPa (right) and 8.36 KPa (left). In conclusion, the combination of the structure and material of V shoes should be developed for traction and stability, N shoes for cushion, and walking balance for C and V shoes.

Exploring the Antecedents to Affect the Intention to Use of Mobile Banking (모바일뱅킹 사용의도에 영향을 미치는 요인에 대한 탐색)

  • Moon, Yun Ji
    • Management & Information Systems Review
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    • v.38 no.1
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    • pp.103-120
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    • 2019
  • Recently, as mobile banking enables to instantly provide the customized service in accordance with customer demand via information technology. With this individual customized service, mobile banking plays a role of transforming the existing offline banking strategies. However, contrary to expectation, the mobile banking service has not been widely used to the extent that it can replace offline banking service. Therefore, the current study aims to explore the antecedents to affect customer's usage of mobile banking. Specifically, the antecedents influencing the intention to use and actual usage of mobile banking include personal-innovation fit, positive psychological capital, and service quality factors, which reflect the innovative technology characteristics of mobile banking. Furthermore, the paper also analyzes the effect of mobile banking service on intention to use and actual usage of mobile banking service. With empirical analysis using Structural Equation Modeling for 195 mobile banking users, the results showed that user's ability fit, value fit, and positive psychological capital positively affected user's future intention to use and actual usage of mobile banking. Furthermore, the current paper also found the significant moderation effect of usage purpose of mobile banking (banking task and online stock exchange) in the relationship between positive psychological capital and intention to use. This study suggests that banks need to develop mobile banking services that reflect customer's IT usability as well as their pursuing purpose and value.