Jun Houng Kim

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The quality of speech synthesis has come a long way since Homer Dudley's " Voder " in 1939. In fact, with the widespread use of unit-selection synthesizers, the naturalness of the synthesized speech is now high enough to pass the Turing test for short utterances, such as voice prompts. Therefore, it seems valid to ask the question " what are the next(More)
With widespread proliferation of smart phones, public apps, the smart phone applications provided by government organizations and public agencies, have been emerging as a new channel of public information services in the era of mobile government (m-government). Despite the increasing necessity of research on the public apps, however, few studies have dealt(More)
This study aims to find public smart phone app (public app) success factors through the comparative analysis of selected cases. More specifically, the purpose of this study is to find critical factors at the Plan, Do, and See stage, which produce the difference of the maturity level of the public apps. In order to fulfill this purpose, the authors conduct(More)
Despite the expectation that Twitter and other types of social media can contribute to enhancing democratic values including responsiveness, it seems that empirical studies on whether social media use leads to improvement in democratic values actually and how social media should be used to achieve expected effects have been rarely conducted. The purpose of(More)
Preliminary and incomplete, please do not circulate without the authors' permission. We investigate the causal effect of tweets on product demand using variation in microblogging caused by a partial block of the Chinese microblogging platform Sina Weibo due to political events. We analyze the effect of the activity decrease due to the block on viewership of(More)
We leverage a temporary block of the Chinese microblogging platform Sina Weibo due to political events to estimate the causal e↵ect of user-generated microblogging content on product demand in the context of TV show viewership. Using a set of di↵erence-in-di↵erences regressions, we show viewership decreased more strongly in geographical areas with a higher(More)
Korean immigrants are motivated to accept new cultural perspectives and/or transform their own cultural values into those of their new country. During this acculturation process, they encounter cultural differences, make adaptations, and thus may experience positive changes in social relationships, coping resources, personal strength, and cultural(More)
This qualitative study is designed to examine the benefits of physical activity involvement with members of the same ethnic group. For this study, Korean immigrants who were members of Korean physical activity clubs such as badminton and tennis were selected as participants. Using a constructive grounded theory methodology, three themes were identified as(More)
iv ABSTRACT SOLVING REVERSE LOGISTICS: OPTIMIZING MULTI-ECHELON REVERSE NETWORK Jun Kim As part of sustainable development initiative, product take‐back strategy encourages manufacturers to transform definition of sustainability into business practices that would reduce environmental wastes, while reducing increasingly growing waste management cost from(More)