• Asia pacific journal of information systems
• /
• v.12 no.4
• /
• pp.37-53
• /
• 2002

The three main purposes of this paper are to (1) identify critical success factors(CSF's) for electronic commerce(EC), (2) investigate the explanatory power of these CSF's on firm performance, and (3) compare differences in evaluating CSF's and explaining impact of CSF's on performance between Korean and U.S.A. EC managers. Through a literature review and interviews with managers in EC firms, a list of 16 CSF's consisting of 111 items was compiled. In the second stage, questionnaires were administered to managers of EC companies in Seoul, Korea and Texas, U.S.A. Survey results show that CSF's have very significant explanatory power for firm performance in both Korean and U.S.A. While security, privacy, technical expertise, information about goods/services, and variety of goods/services are the most explanatory CSF's in Korea, evaluation of EC operations, technical expertise, and ease of use show most explanatory power in U.S.A. This analysis confirms the fact that customers use EC if they feel comfortable about navigating EC for information about a variety of goods/services without technical difficulty and in a secure and private way.

• Journal of the Korean Society for Library and Information Science
• /
• v.46 no.4
• /
• pp.243-263
• /
• 2012

The purpose of this study is to investigate and analyze the status and characteristics of Web-based biographical information sources. Hence, this study examined the current status of Web-based biographical sources in China, Taiwan, Japan, and the U.S. It also conducted a comparative analysis of family names from the subject dictionary and Biography of China National Knowledge Infrastructure (CNKI), reference books of China and the Chinese Historical Biographical Database and the China Biographical Database Project (CBDP) of the U.S. Furthermore, the problems related to status investigation and analyses of the Chinese biographical sources were studied. In this study, some suggestions were made to improve the management and usability of those biographical information sources in China and Korea.

• Korean Journal of Air-Conditioning and Refrigeration Engineering
• /
• v.20 no.9
• /
• pp.599-607
• /
• 2008

In this study, air conditioning systems include ground source heat pump (GSHP), are evaluated for economic feasibility. The building is modeled an air conditioned for 280kW scale. This analysis is compared with the energy tariff programs of Korea and USA. The objectives of this paper are to evaluate the cost-effectiveness of the GSHP and combined system using Life-Cycle Cost (LCC) analysis, and to carry out the sensitivity analysis of key parameters. The paper considered the cases including the base case of air source heat pump and the other two alternates for comparisons. The combined system is not only a cost-effective way to the low energy consumption but also a way to avoid a high initial investment. The variations of initial investment and energy rates give a significant effect on the total LCC and payback period.

• Journal of Korea Game Society
• /
• v.15 no.3
• /
• pp.177-188
• /
• 2015

In-game cheating by the use of unauthorized software programs has always been a big problem that they can damage in First Person Shooting games, although companies operate a variety of client security solutions in order to prevent games from the cheating attempts. This paper proposes a method for detecting cheaters in FPS games by using game log analysis in a server-side. To accomplish this, we did a comparative analysis of characteristics between cheaters and general users focused on commonly loaded logs in the game. We proposed a cheating detection model by using artificial neural network algorithm. In addition, we did the performance evaluation of the proposed model by using the real dataset used in business.

• International Commerce and Information Review
• /
• v.18 no.3
• /
• pp.47-72
• /
• 2016

The Government of Korea has always focused on developing and maintaining a surplus on the balance of payments as a successful trade policy. The focus should now be on spatial information hiding, revealing patterns in trade activities that enable viewing trade in a more sophisticated manner. This study utilizes trade statistical data such as the United States-South Korea imports and exports from 2003 to 2015 officially released by the two countries. It allows us to analyze and extract the spatial information pertaining to the origin, transit, and destination. First, in the case of export data to the United States, the origin of the trade goods has expanded and decentralized from the metropolitan area. With regard to transit, in 2003, most of the exported goods were shipped by ocean vessels and arrived at the ports on the western coast of the United States. However, trade patterns have changed over the 12-year period and now more of that trade has moved to the southern ports of the United States. In terms of destination, California and Texas were importing goods from South Korea. With the development of the automotive industry in Georgia and Alabama, these two states also imported huge volumes of automobile parts. Second, in case of import data, most imported goods from the United States originated from California and Texas. In this case, 40% of goods were shipped by air freight and arrived at the Incheon-Seoul International Airport; most ocean freight was handled at the Port of Busan. The purpose of this study is to decompose the spatial information from the trade statistics data between Korea and the United States and to depict visualized bilateral trade structure by origin, transit, and destination.

• Clinical and Experimental Pediatrics
• /
• v.50 no.6
• /
• pp.570-575
• /
• 2007

Purpose : To demonstrate genetic background of pathogenesis of Kawasaki disease (KD), I examined the genetic polymorphism of plasminogen activator inhibitor-1 (PAI-1) in KD patients. Methods : PCR-RFLP of PAI- 1 promotor gene was analyzed in 56 KD patients admitted to Kyunghee University Hospital, Gachon Medical School Gil Hospital, and Eulji Hospital from March to August 2000 and 206 normal control populations. Results : There were no differences in the genotype and allelic frequency of the PAI-1-675 (4G/5G) and PAI-1-844 (G/A) polymorphic site (which are located in the promoter region) between KD and control subjects. Also I could not detect any significant differences in specific genotypes between patients with the coronary artery lesion (CAL) and patients without CAL. Conclusion : No association was observed in -844 G/A and -675 4G/5G of PAI-1 gene polymorphism with KD.

• Journal of Family Resource Management and Policy Review
• /
• v.15 no.3
• /
• pp.63-81
• /
• 2011

This study examined social integration policies for multi-cultural families in Korea and the United States through a literature review and internet research. Because the United States has developed and maintained its own culture, this was an appropriate country to compare to Korea in terms of social integration policy. There were four main results. First, both countries enforce assimilation policies for multi-cultural families. Second, most social integration programs and services for multi-cultural families in Korea are carried out by the Multi-cultural Family Support Centers, which are supported by the national and local governments in Korea. However, because the U.S. government has preserved a laissez-faire approach to policies for immigrant families, there are no government-based support centers for multi-cultural families in the United States. Third, both countries focus on the assimilation of multi-cultural families. Nevertheless, the U.S. government promotes a balance between ethnic identity and U.S. citizenship. Fourth, the U.S. government strongly supports second-generation education and development programs that recognize the second generation as a human resource for the future of society. In summary, even though there were some cultural differences between the two countries, the United States' assimilation policies based on ethnic identity would be useful for Korean integration policies. In addition, it is very important to offer opportunities for mutual integration in everyday life between Korean families and multi-cultural families.

• Journal of The Korean Association For Science Education
• /
• v.37 no.4
• /
• pp.659-668
• /
• 2017

This study was conducted to identify whether there is a significant difference in the developmental stages of the evolution concept depending on the major and the country. For this study, college students (both biology major and non-biology major) in Korea and the United States answered evolution concept assessment developed by Ha (2007). The data were analyzed based on the method of developed by Ha (2016). As a result of this study, Cronbach alpha for internal consistency reliability and MNSQ indices for item response fitness of the ordered multiple choice method providing 0 to 4 point scores to creationism, teleology, intentionality, use/disuse, and natural selection respectively, satisfied the benchmark. The level of Korean college students' evolution concepts was located in use/disuse and the level of USA college students' evolution concepts was located in teleology. No interaction effect was found between the difference of conceptual progressions of evolution concept by major and country and evolution contexts (human, animal, and plant). There was a significant relationship between developmental stages of evolution concept and their religiosity. Based on the results of this study, we discuss developmental characteristics of evolutionary concepts.

• Journal of the Korean Society for Library and Information Science
• /
• v.49 no.3
• /
• pp.57-79
• /
• 2015

This study investigates and classifies 61 pieces of hereditary Sasojeol versions in possession of 8 libraries in Korea and 3 libraries in the US and Japan and compares them with one another with the following results. Firstly, as a result of investigation of 61 pieces of Sasojeol, it was found out that the hereditary versions are classified into 5 kinds including Cheongjangkwan Sasojeol, Sashojyeol of Korean version, Hyunto Sasojeol and Sasojeoljijeol. The detailed investigation proves that Sasojeol and Sasojeonjijeol are imparted to the present most often, that Sashojyeol of Korean version is the traslated from printed version of Sasojeol, that Hyunto Sasojeol is the Korean editings of printed version of Sasojeonl, and the Sasojeoljijeol is the ummarized version of Cheongjangkwan Sasojeol. Secondly, the comparison of Cheongjangkwan Sasojeol possessed by major libraries proves that the version in National Library of Korea's and Jangseogak's possession are similar to each other by and large and that the comparison of Sasojeol possessed by each institution proves that the version in Kyonggi University's possession copied the former generally fine. Thirdly, the comparison of Sasojeoljijeol and Cheongjangkwan Sasojeol proves that Sasojeonjijeol is the summarized version of redrafted Cheongjangkwan Sasojeol and traces of 22 sentences being added to.

• Korean Journal of Ichthyology
• /
• v.31 no.1
• /
• pp.16-22
• /
• 2019

Investigations on the study of the distribution aspects and extinction threat evaluation of the Korean endemic species, Iksookimia pacifica were done from 2017 to 2018 in Korea. During the study period, the samples of I. pacifica were collected in 17 streams, 46 sites (from Baebongcheon Stream of Goseong-gun to Gunsuncheon Stream of Gangneung-si) among the noted 33 streams and 104 sampling sites investigated. The population size of I. pacifica was relatively large in streams such as Bukcheon, Baebongcheon, Hwasangcheon, Cheonjincheon, Ohhocheon Stream etc., but the population size was small in streams such as Sacheoncheon, Namcheon, Gangneung Namdaecheon Stream etc. The main habitat of I. pacifica was the downstream pool of clean water with slow velocity and sand bottoms, and their sensibility was estimated to be due to river work and water pollution. Comparing the previous records of the appearance of I. pacifica, they were first seen in Sampocheon Stream, but they did not appear in Jusucheon, Jeoncheon, Samcheok Osipcheon Stream. Given this evidence as noted for the 19.5% reduction in occupancy within 3 generations, in small appearance range ($1,343km^2$) and small occupancy area ($184km^2$), the number of locations were many (18) and the population was relatively large within the range of habitat. Therefore, I. pacifica is now considered a Near Threatened (NT) based on the IUCN Red List categories and criteria.