• Journal of the Korean Society for Library and Information Science
• /
• v.30 no.4
• /
• pp.85-104
• /
• 1996

The purpose of this study is to analyze the edition of 21 of the Dewey Decimal Classificatin. Edition 21 includes major revisions of three schedules : 350-354 Public administration, 370 Education, and 560-590 Life sciences. The aim of Edition 21 was user convenience, Regularization, Faceting, Terminology, International needs and Cooperative development and Changes in the database. The Dewey Decimal Classification is preparing for the future in a number of ways. Editorial work is supported by a UNIX-based system and access to online bibliographic databases. Two edition of Electronic Dewey have been published and a Windows version have been published.

• Journal of the Korean Data and Information Science Society
• /
• v.24 no.6
• /
• pp.1177-1188
• /
• 2013

Modern society is changing rapidly toward the intellectual one. The needs of knowledge sharing are highly demanded for its growth and progress through the society at large. Even though university creates the knowledge in various fields, university members could not share the knowledge effectively for some reasons. This K university students case study reveals that usage of IT, college sponsoring and communicative culture affect educational performance indirectly as well as directly through knowledge sharing.

• Asia pacific journal of information systems
• /
• v.21 no.1
• /
• pp.49-80
• /
• 2011

E-government needs to be successfully implemented and assimilated into organizations to take advantage of its potential values and benefits for organizations. This study examines factors for e-government assimilation in Indonesia and employs the TOE (Technology-Organization-Environment) framework to develop a theoretical model to explain e-government assimilation. It also investigates how organizational type (central vs. local) plays a role in the assimilation of e-government. One hundred eighteen respondents from the central and local governments in Indonesia participated in the survey and an in-depth analysis based on partial least squares (PLS) was carried out. The results show that ICT infrastructure has the strongest significant relationship with e-government assimilation, Top management support, regulatory environment, ICT expertise, and competitive environment are also significant factors to explain e-government assimilation in Indonesia. Central and local governments Significantly differ in terms of e-government assimilation, so organizational type can be a moderator in the process of e-government assimilation. These findings present the efficacy of the proposed model for analyzing e-government assimilation and contribute additional insights for academia as well as practitioners and policy makers.

• Journal of Korean Library and Information Science Society
• /
• v.46 no.2
• /
• pp.289-316
• /
• 2015

The disabled suffer great difficulties from public library access and data use due to reasons such as disabilities, mobility limitations, and lack of alternative materials and services. To overcome this, through outreach services for the disabled, public libraries should meet the multiple needs of people with disabilities. As such, the purpose of this study is to derive suitable strengthening plans of outreach services based on the size of the targeted user and disability type by analyzing outreach service operation practices in libraries in Korea and overseas and by researching and analyzing the status and awareness of outreach services for the disabled in Korean public libraries.

• Journal of the Korea Institute of Information and Communication Engineering
• /
• v.5 no.5
• /
• pp.1001-1010
• /
• 2001

In TLM method, Discrete Green's function ABC have been used when improved the exactness of analyzing in wide frequency band. But this technology has a complicated process to apply absorbing boundary, which means it needs additional numerical analyzing process to obtain discrete Green's function data. so, In this paper, we propose new Green's absorbing layer for simple process to apply absorbing boundary. newly proposed Green's absorbing layer is produced by applying of loss operation, loading discrete Green's function with attenuation. A state of optimum absorbing would be obtained by relation between increasing rate of loss, attenuation constant and length of green's absorbing layer. and then Analysts of waveguide BPF is carried out using Green's absorbing layer within state of optimum absorbing, then this result is in corrective agreement with the result applying traditional discrete Green's function ABC.

• Journal of the Korea Institute of Information and Communication Engineering
• /
• v.10 no.4
• /
• pp.700-705
• /
• 2006

The latest system of GIS has been changing from 2 dimension to 3 dimension. According to the rapid growth of the fields linked to 3D GIS, 3D GIS has variously affected the public field, the national defense field. and the industrial field. This study estimated sight distance safety of curve section considering the environmental impact based on 3D GIS. Sight distance is calculated from the relation between road which keeps the three-dimension character and driver gaze, so it needs to consider both plane and vertical for the accurate measuring. This study made analysis of the sight distance through considering the environmental impact with driving simulation of design speed 80km/h and running speed 60-120km/h.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
• /
• 2003.10a
• /
• pp.565-568
• /
• 2003

Optical fiber is a kind of local loop types. Most of countries do not still require the incumbent to open his optical fiber network except just a few countries such as US, Japan and Italy. Recently the FCC, the regulator in US, decided to reduce the obligation of its unbundling in order to facilitate the incentive of broadband network investment. And Japan also is reviewing the policy of the fiber' unbundling. So, We needs to take into consideration about the benefit and cost of the opening of optical fiber network in advance. The purpose of this paper is to review the opening policy of optical fiber network in Japan, and to discuss the implication of case study.

• Journal of Korea Society of Digital Industry and Information Management
• /
• v.12 no.4
• /
• pp.145-161
• /
• 2016

The purpose of this study is to investigate influences of usage motivation of SNS and interpersonal relationship orientation on Mobile Social Network Service(MSNS) addition proneness. For this purpose, questionnaires including MSNS addition Proneness scale, usage motivation of SNS scale and interpersonal relationship orientation scale were administered to 250 college students in Seoul. Regression analysis revealed that usage motivation of SNS showed influences of interpersonal relationship orientation. The Usage motivation of SNS showed influences of MSNS addiction proneness, interpersonal relationship orientation showed partial influence MSNS addiction proneness. The result of this study implicated that level of MSNS addiction tendencies needs to be considered for counseling with used of SNS motives. This study findings would contribute in development of preventive interventions for SNS addiction and improvement program for interpersonal competence in college students. Futhermore, exploration of various ways to satisfy motivation of interpersonal relation would be helpful to reduce SNS addiction tendencies. Finally, based on the result, implications of finding, limitation and suggestions for future research were discussed.

• KSII Transactions on Internet and Information Systems (TIIS)
• /
• v.6 no.3
• /
• pp.954-972
• /
• 2012

Content Delivery Networks (CDN) server loads that fluctuant necessitate CDN to improve its service scalability especially when the peak load exceeds its service capacity. The peer assisted scheme is widely used in improving CDN scalability. However, CDN operators do not want to lose profit by overusing it, which may lead to the CDN resource utilization reduced. Therefore, improving CDN scalability moderately and guarantying CDN resource utilization maximized is necessary. However, when and how to use the peer-assisted scheme to achieve such improvement remains a great challenge. In this paper, we propose a new method called Dynamic Moderate Peer-assisted Method (DMPM), which uses time series analysis to predict and decide when and how many server loads needs to offload. A novel peer-assisted mechanism based on the prediction designed, which can maximize the profit of the CDN operators without influencing scalability. Extensive evaluations based on an actual CDN load traces have shown the effectiveness of DMPM.

• KSII Transactions on Internet and Information Systems (TIIS)
• /
• v.8 no.5
• /
• pp.1744-1765
• /
• 2014

A client stores data in the cloud and uses remote data checking (RDC) schemes to check the integrity of the data. The client can detect the corruption of the data using RDC schemes. Recently, robust RDC schemes have integrated forward error-correcting codes (FECs) to ensure the integrity of data while enabling dynamic update operations. Thus, minor data corruption can be recovered by FECs, whereas major data corruption can be detected by spot-checking techniques. However, this requires high communication overhead for dynamic update, because a small update may require the client to download an entire file. The Variable Length Constraint Group (VLCG) scheme overcomes this disadvantage by downloading the RS-encoded parity data for update instead of the entire file. Despite this, it needs to download all the parity data for any minor update. In this paper, we propose an improved RDC scheme in which the communication overhead can be reduced by downloading only a part of the parity data for update while simultaneously ensuring the integrity of the data. Efficiency and security analysis show that the proposed scheme enhances efficiency without any security degradation.