Number of co-authors:6
Number of publications with 3 favourite co-authors:Robert J. Kauffman:Jinsoo Park:Hyoungmee Hahn:
Jungpil Hahn's 3 most productive colleagues in number of publications:Robert J. Kauffman:64Jinwoo Kim:30F. Javier Lerch:11
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Publications by Jungpil Hahn (bibliography)
Mukherjee, Aditi and Hahn, Jungpil (2007): The impact of technology on the quality of information. In: Gini, Maria L., Kauffman, Robert J., Sarppo, Donna, Dellarocas, Chrysanthos and Dignum, Frank (eds.) Proceedings of the 9th International Conference on Electronic Commerce - ICEC 2007 August 19-22, 2007, Minneapolis, MN, USA. pp. 205-214. Available online
Hahn, Jungpil, Kauffman, Robert J. and Park, Jinsoo (2002): Designing for ROI: Toward a Value-Driven Discipline for E-commerce Systems Design. In: HICSS 2002 2002. p. 200. Available online
Hahn, Jungpil (2001): The Dynamics of Mass Online Marketplaces: A Case Study of an Online Auction. In: Beaudouin-Lafon, Michel and Jacob, Robert J. K. (eds.) Proceedings of the ACM CHI 2001 Human Factors in Computing Systems Conference March 31 - April 5, 2001, Seattle, Washington, USA. pp. 317-324. Available online
The Internet has dramatically changed how people sell and buy goods. In recent years we have seen the emergence of electronic marketplaces that leverage information technology to create more efficient markets such as online auctions to bring together buyers and sellers with greater effectiveness at a massive scale. Despite the growing interest and importance of such marketplaces, our understanding of how the design of the marketplace affects buyer and seller behavior at the individual level and the market effectiveness at the aggregate level is still quite limited. This paper presents a detailed case study of a currently operational massive scale online auction marketplace. The main focus is to gain initial insights into the effects of the design of the marketplace. The results of the study point to several important considerations and implications not only for the design of online marketplaces but also for the design of large-scale websites where effective locating of information is key to user success.
© All rights reserved Hahn and/or ACM Press
Hahn, Jungpil and Kim, Jinwoo (1999): Why are Some Diagrams Easier to Work With? Effects of Diagrammatic Representation on the Cognitive Intergration Process of Systems Analysis and Design. In ACM Computing Surveys (CSUR), 6 (3) pp. 181-213. Available online
Various diagrams have been used heavily in systems analysis and design without proper verification of their usability. However, different diagrammatic representations of the same information may vary in the computational efficiency of working with these diagrams. The objective of this research was to explore the effects of diagrammatic representations on the task of integrating multiple diagrams. The domain of systems analysis and design was used to generate examples and test the theory. A cognitive model of diagram integration was proposed, and an experimental study was conducted, both to explore the effects of representational features of diagrams on the cognitive process of diagram integration. Results of the experiment show that the representational features of the diagrams acted as the criteria for selecting among various methods for analyzing and designing the integrated diagram. In addition, the difference in the selected methods resulted in different task performances in terms of analysis and design errors. This article concludes with the implications of the results for the development of cognitively compelling diagrams.
© All rights reserved Hahn and Kim and/or ACM Press
Kim, Jinwoo, Hahn, Jungpil and Lerch, F. Javier (1997): How is the Designer Different from the User? -- Focusing on a Software Development Methodology. In: Empirical Studies of Programmers - Seventh Workshop October 24-26, 1997, 1997, Alexandria, Virginia. pp. 69-90. Available online
The main objective of this study is to uncover the differences in the programming behavior between methodology designers and methodology users. We conducted an experiment with methodology designers who have invented one of the major object-oriented methodologies and programmers who have used the methodology for their projects. Concurrent verbal protocols were analyzed based on a theoretical framework which views programming as search in four problem spaces: representation, rule, instance, and paradigm. In programming, the main problem spaces are the representation and the rule spaces, while the paradigm and instance spaces are the supporting spaces. The results of the experiment show that differences in the supporting space produced different search behavior in the main problem spaces, which in turn resulted in different final programs and performance.
© All rights reserved Kim et al. and/or ACM Press
Hahn, Hyoungmee, Hahn, Jungpil and Kim, Jinwoo (1997): A Cognitive Engineering Study on the Development of an Object-Oriented Process Modeling Formalism. In: HICSS 1997 1997. pp. 199-209. Available online
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