• Title/Summary/Keyword: Access Patterns

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Web Structure Mining by Extracting Hyperlinks from Web Documents and Access Logs (웹 문서와 접근로그의 하이퍼링크 추출을 통한 웹 구조 마이닝)

  • Lee, Seong-Dae;Park, Hyu-Chan
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.11 no.11
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    • pp.2059-2071
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    • 2007
  • If the correct structure of Web site is known, the information provider can discover users# behavior patterns and characteristics for better services, and users can find useful information easily and exactly. There may be some difficulties, however, to extract the exact structure of Web site because documents one the Web tend to be changed frequently. This paper proposes new method for extracting such Web structure automatically. The method consists of two phases. The first phase extracts the hyperlinks among Web documents, and then constructs a directed graph to represent the structure of Web site. It has limitations, however, to discover the hyperlinks in Flash and Java Applet. The second phase is to find such hidden hyperlinks by using Web access log. It fist extracts the click streams from the access log, and then extract the hidden hyperlinks by comparing with the directed graph. Several experiments have been conducted to evaluate the proposed method.

Decision Support System to Detect Unauthorized Access in Smart Work Environment (스마트워크 환경에서 이상접속탐지를 위한 의사결정지원 시스템 연구)

  • Lee, Jae-Ho;Lee, Dong-Hoon;Kim, Huy-Kang
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.22 no.4
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    • pp.797-808
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    • 2012
  • In smart work environment, a company provides employees a flexible work environment for tele-working using mobile phone or portable devices. On the other hand, such environment are exposed to the risks which the attacker can intrude into computer systems or leak personal information of smart-workers' and gain a company's sensitive information. To reduce these risks, the security administrator needs to analyze the usage patterns of employees and detect abnormal behaviors by monitoring VPN(Virtual Private Network) access log. This paper proposes a decision support system that can notify the status by using visualization and similarity measure through clustering analysis. On average, 88.7% of abnormal event can be detected by this proposed method. With this proposed system, the security administrator can detect abnormal behaviors of the employees and prevent account theft.

A comparative Study on Media Environments and Media use of Korean-Chinese, Chinese, and Korean Adolescents (중국 조선족, 한족, 및 한국 아동과 청소년의 미디어환경, 이용실태 및 영향요인)

  • Koo, Jung-Sook;Park, Hye-Won;Cho, Bok-Hee
    • Journal of the Korean Home Economics Association
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    • v.43 no.2
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    • pp.159-174
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    • 2005
  • A comparison of students' media environments and media use patterns among Korean-Chinese in Yanji and Shenyang, Chinese students in Yanji and Korean students in Ulsan revealed significant differences. The research surveyed 3,241 students between 10-18 years old on their home media environments, media use patterns and social characteristics including achievement motivation and the locus of control. Korean children not only have more media in their homes, but they are also heavier users of computers and other media than the other two groups. Despite the lower rates of access to computers and other media at home, Korean-Chinese in Yanji reported more use of media including TV, VCRs and computers at the computer rooms than Chinese students in Yanji. Additional analyses revealed negative correlations between computer gaming at home and at computer rooms and achievement, internal locus of control and psychological and physical home environments. Impacts of Korea culture and societal changes on the Korean-Chinese use of media, and choice of media language were discussed.

Multi Parameter Design in AIML Framework for Balinese Calendar Knowledge Access

  • Sukarsa, I Made;Buana, Putu Wira;Yogantara, Urip
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.14 no.1
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    • pp.114-130
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    • 2020
  • Balinese calendar is defined as a unique calendar system for combining solar-based and lunar-based system and assuming local system. It is considered as guidance of Balinese societies' activities management, starting from meeting arrangement, wedding ceremony, to religious ceremonies. Practically, it has developed in the form of printed Balinese calendar and electronic Balinese calendar, either web or mobile application. The core of the function is to find out the day with its various characteristics in the Balinese Calendar. In general, society usually asks the religious leader to find out the day in detail. The technology of NLP combined with models of pattern discoveries supports the arrangement of the interaction model in searching the good day in Balinese Calendar to equip the conventional searching system in the previous applications. This study will design a dialog model with AIML method in multi-parameter basis; therefore, the users will be dynamically able to use the searching content in various ways by chatting in similar with consulting to a religious leader. This model will be applied in a chatbot basis service in telegram machine. The addition of the context recognition section into 4 paterns has been successfully improve the ability of AIML to recognize input patterns with many criteria. Based on the testing with 50 random input patterns obtained a success rate of 92.5%.

A Study of Developing and Evaluating a Pansoree Retrieval System Using Topic Maps (토픽맵-기반 판소리 검색시스템 구축 및 평가에 관한 연구)

  • Oh Sam Gyun;Park Ok-Nam
    • Journal of Korean Library and Information Science Society
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    • v.36 no.4
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    • pp.77-98
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    • 2005
  • The purpose of this research is to propose a powerful alternative in designing knowledge portals using Topic Maps(TM). To demonstrate the power of TM In constructing knowledge portals. we designed a TM-based korean folk music(pansori) site, tested It with an existing pansoree site (pansoree.com ) employing diverse query patterns : simple, advanced, associative, and cross referential Queries. The results show that the TM-based site outperforms the pansoree.com in searching time and steps. The TM-based site also provide novice users who do not know pansori domain with easy access to Information that they need.

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The Behaviors of Spatial Usages in Korean Apartment for Development of Open Housing System(I) - with special reference to 30s pyong apartment with 3 bed rooms - (한국형 오픈하우징 시스템 개발을 위한 우리나라의 주생활 행태에 관한 연구(I) - 3침실형 30평형대를 대상으로 -)

  • Kim Mi-Hee;Lee You-Mi
    • Journal of the Korean housing association
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    • v.16 no.2
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    • pp.91-98
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    • 2005
  • The purpose of this study was to explore behaviors of spatial usages such as patterns of spatial usages, perception on residential spaces, and furniture arrangement. A questionnaire survey and interview were adopted in this study, and 146 residents living in apartment with 3 bedrooms, stairway access, and 3-bay style in the City of Gwangju. The major findings of this study were that 1) dining-kitchen (DK) was conceived and used as a space not only for dining but also family gathering and guest reception. Dining table without refrigerator was frequently found in furniture arrangement of DK, and refrigerator has been relocated in utility room facing DK. The results imply the need for social interaction that has been growing. Anbang (master bedroom) has been perceived and used as couples' private area, aside from the traditional function of family interaction. A coordination of both bed and wardrobe out of different furniture arrangements was popular in anbang. Living room was used as a multi-purpose room carrying out various activities such as family gathering, guest reception, and housekeeping. Sofa and cabinet were the most common furniture arrangement in living room. The research results are a basis for development residential open housing system.

The Typical Behaviors of Spatial Usages in Korean Apartment for Development of Open Housing System - Focused on Kwangju Area - (한국형 오픈하우징 시스템 개발을 위한 우리나라의 대표적인 주생활행태에 관한 연구(I) - 광주광역시를 중심으로 -)

  • Kim, Mi-Hee;Lee, You-Mi
    • Proceedings of the Korean Institute of Interior Design Conference
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    • 2004.05a
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    • pp.49-55
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    • 2004
  • The purpose of this study was to explore typical behaviors of spatial usages such as patterns of spatial usages, perception on residential spaces, and furniture arrangement. A questionnaire survey and interview were adopted in this study, and 146 residents living in apartment with 3 bedrooms, stairway access, and 3-bay style in the City of Gwangju. The major findings of this study were that 1) dining-kitchen (DK) was conceived and used as a space not only for dining but also family gathering and guest reception. Dining table without refrigerator was frequently found in furniture arrangement of DK, and refrigerator has been relocated in utility room facing DK. The results imply the need for social interaction that has been growing. Anbang (master bedroom) has been perceived and used as couples' private area, aside from the traditional function of family interaction. A coordination of both bed and wardrobe out of different furniture arrangements was popular in anbang. Living room was used as a multi-purpose room carrying out various activities such as family gathering, guest reception, and housekeeping. Sofa and cabinet were the most common furniture arrangement in living room. The research results are a basis for residential open housing system.

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An Update Management Technique for Efficient Processing of Moving Objects (이동 객체의 효율적인 처리를 위한 갱신 관리 기법)

  • 최용진;민준기;정진완
    • Journal of KIISE:Databases
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    • v.31 no.1
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    • pp.39-47
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    • 2004
  • Spatio-temporal databases have been mostly studied in the area of access methods. However, without considering an extraordinary update maintenance overhead after building up a spatio-temporal index, most indexing techniques have focused on fast query processing only. In this paper, we propose an efficient update management method that reduces the number of disk accesses required in order to apply the updates of moving objects to a spatio-temporal index. We consider realistic update patterns that can represent the movements of objects properly. We present a memory based structure that can efficiently maintain a small number of very frequently updating objects. For an experimental environment with realistic update patterns, the number of disk accesses of our method is about 40% lower than that of a general update method of existing spatio-temporal indexes.

Review of Economic Evaluation Studies for Drug Reimbursement Decision (의약품 보험급여 결정을 위한 경제성평가 연구의 평가)

  • Choi Sang-Eun;Sullivan Sean D.
    • Health Policy and Management
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    • v.15 no.4
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    • pp.1-25
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    • 2005
  • Legislation on pharmaceutical reimbursement decision using economic evaluation results was made in Korea in fm, but has yet to be fully implemented. We evaluated the quality of Korean economic evaluation studies of pharmaceuticals to understand gaps between legislation and implementation. From this evaluation, we propose policy options that might strengthen the research Infrastructure In order to support such studies. We reviewed 23 published studies for drugs conducted between 1996 and 2004. Evaluation criteria included methodological characteristics, healthcare system characteristics, population characteristics, and applicability of results. Large variation in study quality was observed, particularly with study design, outcome data, treatment patterns and interpretation. Korean clinical data used was mostly from observational studies of 1-2 hospitals. Foreign data was extracted from clinical trials that did not Include Asian population and their selection criterion was not clarified. With respect to treatment patterns, medical records and hospital bills were used without adjustment regarding area, hospital type, and others. And next frequent situation relied on expert opinion from academic physicians in specialty practice. preference measures, when used, were not elicited from the Korean population. $78.3\%$ of studies did not clarify the funding source. If the Korean economic evaluation policy is to provide meaningful data for decision makers, the quality of cost-effectiveness studies will need to improve dramatically. This may involve access to or creation of better data, more diverse funding, unproved training of researchers and evaluators, and partnerships with technology manufacturers.

Pattern Development of Figure Skating Wear for Schoolgirls (학령기 여아를 위한 경기용 피겨 스케이팅복 패턴 설계에 관한 연구)

  • Park, Sanghee
    • Journal of Fashion Business
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    • v.18 no.2
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    • pp.54-65
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    • 2014
  • This study developed basic pattern for competition figure skating wear for school girls. Figure skating wears are difficult for making basic patterns based on standard size chart, because girls' body size are slimmer and more slender compared to the general girl's and the competition wears such as, swim suit with sleeves are, closely in contact with the player's body. The competition wears for school girl was made with consideration of changing of the body shape, physical exercises, and various specificities according to stretch material. To raise artistic effect while doing beautiful motions, and to assist in facile technique motions, competition wears need to have enough ease on the side line from waist to armpit, from armpit to wrist, and in trunk girth including crotch girth. Also, to stand out in beauty, a costume designing has a proper skirt position, length, flare width, and a tight bodice according to the player's body proportion. Most of the customers are displeased at the high price, unfitness of size, insufficient design, and difficulty in access, since they are not sold in sporting goods store. Therefore, a competition wear's basic pattern was made through scientific and emotional process including concerns on material properties, room for activities, and ideal body proportion. Systemizing the basic patterns of production method will solve high repairing expenses, unsuitable sizing, and improve accessibility for purchase.