• The Journal of Korean Association of Computer Education
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• v.4 no.2
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• pp.105-114
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• 2001

This paper illustrates a calculus module which generates step-by-step solutions using J/Link that connects Java and Mathematica. Such a module provides intermediate and low level students with a practical environment where they can easily follow the solution paths on their own paces. The extra feature of this module depicts graphical images for a given function and its differentiated result to enhance the visual understandings of calculus concepts. Mathematica as a mathematical expert system that provides systematic mathematical knowledge to students with step-by-step solutions will be possibly extended to the tutorial or CMI development. The proposed module is implemented in a Java servlet that links to Mathematica FrontEnd. This approach results in adopting font systems to express two dimensional mathematical expressions in web documents as an alternative typesetting tool.

• Archives of design research
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• v.11 no.1
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• pp.291-302
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• 1998

This paper covers the development process of multimedia evaluation system, especially focused on customer satisfactory factors while customers navigating net-based Interactive multimedia system. Customers usually experience new level of interaction cased by newly developed web-based technology In ordinary multimedia system. However, if it gives customers satisfactory experience is a matter of question. To find out the relationship between customer satisfaction and interactivity factors exposed by multimedia system, a model has been developed which describes the structure of web-based multimedia system and its relation to customer satisfactory factors. Five different experiments, including 'semantic differential', 'focus group interview', and 'expert review', has been conducted and four customer satisfactory factors were identified. Those are 'customery value', 'structural perfectness', 'visual perfectness', and 'contemporaneity'. With these factors and newly delveoped evaluation system, 7 different web-site has been evaluated and analyzed at the end of this report.

• The Journal of the Korea Contents Association
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• v.9 no.2
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• pp.203-215
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• 2009

Many companies in Korea have developed job competency models and are utilizing them for the purpose of training and management of employees. However many of them are unable to be utilized efficiently through their own job competency model because the company failed to reflect what happens in the real work place in the model or the model itself is not concrete enough to be applied practically. Thus, in this study, the current status of Korean companies which had developed their own job competency model were investigated and the subsequent development of training system which is based on the model were developed. By result of the survey, about 43.5% of the company, which has more than 400 employees, have developed job competency models and 31.7% of them haven‘t been able to develop training system based upon the model due to the lack of concreteness of their model. To overcome this contradiction, we developed web 2.0 based job competency modeling method where each individuals in the organization themselves develop job competency as opposed to an expert oriented developing method. The result of this study is that web 2.0 based job competency modeling method is superior to any another modeling in an accuracy of competency, an acceptance of competency, and an usefulness of competency description.

• Journal of Intelligence and Information Systems
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• v.22 no.1
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• pp.63-82
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• 2016

Individuals gather information online to resolve problems in their daily lives and make various decisions about the purchase of products or services. With the revolutionary development of information technology, Web 2.0 has allowed more people to easily generate and use online reviews such that the volume of information is rapidly increasing, and the usefulness and significance of analyzing the unstructured data have also increased. This paper presents an analysis on the lexical features of expert product reviews to determine their influence on consumers' purchasing decisions. The focus was on how unstructured data can be organized and used in diverse contexts through text mining. In addition, diverse lexical features of expert reviews of contents provided by a third-party review site were extracted and defined. Expert reviews are defined as evaluations by people who have expert knowledge about specific products or services in newspapers or magazines; this type of review is also called a critic review. Consumers who purchased products before the widespread use of the Internet were able to access expert reviews through newspapers or magazines; thus, they were not able to access many of them. Recently, however, major media also now provide online services so that people can more easily and affordably access expert reviews compared to the past. The reason why diverse reviews from experts in several fields are important is that there is an information asymmetry where some information is not shared among consumers and sellers. The information asymmetry can be resolved with information provided by third parties with expertise to consumers. Then, consumers can read expert reviews and make purchasing decisions by considering the abundant information on products or services. Therefore, expert reviews play an important role in consumers' purchasing decisions and the performance of companies across diverse industries. If the influence of qualitative data such as reviews or assessment after the purchase of products can be separately identified from the quantitative data resources, such as the actual quality of products or price, it is possible to identify which aspects of product reviews hamper or promote product sales. Previous studies have focused on the characteristics of the experts themselves, such as the expertise and credibility of sources regarding expert reviews; however, these studies did not suggest the influence of the linguistic features of experts' product reviews on consumers' overall evaluation. However, this study focused on experts' recommendations and evaluations to reveal the lexical features of expert reviews and whether such features influence consumers' overall evaluations and purchasing decisions. Real expert product reviews were analyzed based on the suggested methodology, and five lexical features of expert reviews were ultimately determined. Specifically, the "review depth" (i.e., degree of detail of the expert's product analysis), and "lack of assurance" (i.e., degree of confidence that the expert has in the evaluation) have statistically significant effects on consumers' product evaluations. In contrast, the "positive polarity" (i.e., the degree of positivity of an expert's evaluations) has an insignificant effect, while the "negative polarity" (i.e., the degree of negativity of an expert's evaluations) has a significant negative effect on consumers' product evaluations. Finally, the "social orientation" (i.e., the degree of how many social expressions experts include in their reviews) does not have a significant effect on consumers' product evaluations. In summary, the lexical properties of the product reviews were defined according to each relevant factor. Then, the influence of each linguistic factor of expert reviews on the consumers' final evaluations was tested. In addition, a test was performed on whether each linguistic factor influencing consumers' product evaluations differs depending on the lexical features. The results of these analyses should provide guidelines on how individuals process massive volumes of unstructured data depending on lexical features in various contexts and how companies can use this mechanism from their perspective. This paper provides several theoretical and practical contributions, such as the proposal of a new methodology and its application to real data.

• Proceedings of the Korea Information Processing Society Conference
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• 2001.10a
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• pp.575-578
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• 2001

전문가 시스템은 진단, 교육, 해석, 계획, 예측, 처방, 제어 등 지식의 거의 모든 분야에 적용되어 오고 있으며, 의료 분야에서도 의사의 진단과 처방을 보조하기 위해서 의료 전문가 시스템이 다양한 질환에 대해서 개발되어 사용되고 있다. 그러나 인터넷에서 사용할 수 있는 전문가 시스템의 개발은 미흡하다. 웹 상에서의 의료 전문가 시스템은 의사가 없는 지역에서는 의사의 기능을 대신할 수 있으며 병원에서도 웹을 통하여 손쉽게 전문적인 의료정보에 접근한 수 있는 점에서 그 필요성이 절실하다. 본 논문에서는 Java로 개발된 전문가 시스템 쉘 JESS를 사용해 웹 상에 효과적으로 사용할 수 있는 소화기 질환의 의료 전문가시스템을 개발한다.

• The Journal of Information Systems
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• v.24 no.4
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• pp.117-138
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• 2015

Purpose To meet changing social demands and fulfill the needs of the information and communications technology industry, the curriculum of MIS related department should develop and implement new conceptual frameworks. In response, the purpose of this study was to develop curriculum for students in the Department of e-Business at Kyungnam University. Design/methodology/approach We conducted a demands analysis of educational demanders, NCS(National Competency Standards) based curricular analysis, and benchmarking from other management information systems related departments. The expert panel committee consisting of e-Business department faculty members was held to examine and discuss the student-oriented curriculum developed during this study. Findings Results show that the contents and types of curriculum should be organized so that students can maximize their professional job competency to apply to their core professional tasks. Given these findings, we reconstructed the curriculum with both basic and advanced courses, all systematically organized according to the job requirements they offer toward meeting the industry's needs. We also implemented the web-based JSSS(Job Searching Support System) with which educational demanders can search among 13 job types, estimate their performances, and obtain the information about course registration. In all this study presents specific, practical evidence of the job-related curriculum for students in the Department of e-Business at Kyungnam University.

• Journal of the Korea Computer Industry Society
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• v.2 no.7
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• pp.933-944
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• 2001

In the process of software development, object-oriented framework enables directly improving the productivity of the developer through the reuse of code, analysis and design informations. object-oriented framework is a set of usable and expandable classes and their connectivity. It is a meta solution that contains the code to be reused in the framework and the expert design results on a specific area. This paper constructs the framework that extracts the common services of BBS, chatting, white board and ftp applications for internet-based remote education system. These services can be mostly reused within heterogeneous applications in the form of component.

• Korean Institute of Interior Design Journal
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• v.13 no.5
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• pp.223-229
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• 2004

The investment scale of design project has been increased rapidly following the recent social and economical demand. The demand of user has been changed variously together with social background like the increase of interest for the high level information oriented society and environment. In addition, it is necessary for the experts like coordinator, architect, color expert, and light designer to collaborate in the interior design process. The expertise diverse areas should be related closely and collaboratively for the smooth processing. It is necessary for the design environment to be changed in order to exchange the information effectively within the proposed period by the variety fields' experts. It is a collaborative design in the design studio that the multi-members collect the related data, suggest the idea, and discuss closely, which makes a decision for the new design concept and design plan in the fixed time. It is necessary to make a new kind of communication media concept in the design process, where the multi-members participate, and the collaborative design is processed in physically simultaneous space or in the far distance such as it is done above. In this paper, it is investigated for the communication for the design and creative behavior to explain the collaborative work in the process of design. The characteristics of collaborative design and demand design environment are summarized in the background of this kind of the creative behavior concept. Especially, the communication media for increasing the process effectiveness is explained and the concept for the development of web based collaborative design system is summarized.

• The Journal of Society for e-Business Studies
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• v.12 no.2
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• pp.233-247
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• 2007

In order for companies to survive rapidly changing business environment, it is expected that the activities in an enterprise must be reorganized around business processes; the information infrastructures are based on Web Services; and information systems are re-built around the BPMS (Business Process Management System). In this research we suggest major directions of e-business enhancement especially based on SOA(Service Oriented Architecture). Then we investigate the correlation between BPM functionalities and e-business technologies, and suggest priorities among the evolving directions of BPM functionalities via an intensive expert survey. The results of this study can be used by BPM solution vendors, prospective buyers and IT policy makers.

• Journal of Information Technology Services
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• v.20 no.2
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• pp.91-109
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• 2021

Recently, social and economic environment has been rapidly changed. In particular, the development of IT technology accelerated the introduction of databases, communication networks, information processing and analyzing systems, making the use of such information and communication technology an essential factor for corporate management innovation. This change also affected the accounting areas. The purpose of this study is to document changes in accounting areas due to the adoption of IT technologies in the era of technology and information, to define the required accounting professions in this era, and to present the efficient educational methodologies for training such accounting experts. An accounting expert suitable for the era of technology and information means an accounting profession not only with basic accounting knowledge, competence, independency, reliability, communication skills, and flexible interpersonal skills, but also with IT skills, data utilization and analysis skills, the understanding big data and artificial intelligence, and blockchain-based accounting information systems. In order to educate future accounting experts, the accounting curriculum should be reorganized to strengthen the IT capabilities, and it should provide a wide variety of learning opportunities. It is also important to provide a practical level of education through industry and academic cooperation. Distance learning, web-based learning, discussion-type classes, TBL, PBL, and flipped-learnings will be suitable for accounting education methodologies to foster future accounting experts. This study is meaningful because it can motivate to consider accounting educational system and curriculum to enhance IT capabilities.