• 한국정보과학회논문지:정보통신
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• 제32권4호
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• pp.443-451
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• 2005

스테이트풀 인스펙션을 수행하는 기기에서는 패킷 플로우에 대한 정보를 유지해야 한다. 이러한 기기는 네트워크 공격 패킷에 대하여도 패킷 플로우 정보를 유지하게 되어 네트워크 공격 하에서 과도한 메모리가 요구되고 이로 인하여 메모리 오버플로우나 성능 저하가 일어난다. 따라서 이 논문은 스테이트풀 패킷 인스펙션 시 공격에 의해 생성되는 불필요한 미완성 엔트리를 제거하기 위해 사용할 수 있는 플로우 엔트리 타임아웃 값에 대한 가이드라인을 제시한다. 대부분의 인터넷 트래픽과 상당수의 네트워크 공격이 TCP 프로토콜을 사용하기 때문에 RFC2988의 TCP 재전송 시간 계산 규약에 기초를 둔 실제 인터넷 트레이스에 대한 분석을 통해 가이드라인을 도출한다. 구체적으로, 미완성 TCP 연결 설정 상태에서 (R+T) 초 이상 경과한 엔트리는 제거하여야하며, 이 때 R은 SYN 재전송 허용 회수에 따라 0,3,9를 선택하고 T는 $1\leqq{T}\leqq{2}$ 에서 부가적인 왕복 지연 허용치에 따라 선택하여야 함을 보인다.

• 한국의류산업학회지
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• 제6권1호
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• pp.17-22
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• 2004

The purpose of this study was to obtain the basic element of patterns, which is the motif, from the existing art works and use it to create and simulate a variety of patterns to show the practical use of the computer. Natural dyed works of geometric shapes like squares and 1/4 of circles, each dyed with a different natural dyes, were produced and motifs were extracted. Then using the 4D box in Adobe Photoshop v.6.0, the developing pattern change and simulation effects when using different patterns and different repetition settings were examined. Observations were made as the motifs were replicated. Different patterns like a diagonal line, a square and a circle appeared. In order to find out the effects according to the changes, the motifs from work's square portions, circle centre, and the composition of eight motifs were extracted and used. The repeated patterns according to the extracted motifs simply showed that in the case of just repeating and arranging, square patterns appeared. By replicating and arranging, the motif and the allophone were matched and patterns with regular lines were formed, like a twill, pointed twill line. By setting the direction to Y and X in the repetition methodes, a typical half-drop arrangement or a brick pattern arrangement were formed according to 1/4, 2/4, 3/4, 1/3, or 2/3 in changes. Also the steepness of the slope changes quickly or in turn slowly as the rhombus shape appears. However in the case of a composed motif, an ogee pattern appeared. Lastly, by 3-D mapping patterns like a slant line, pointed twill patterns, diamond patterns, and the repeat patterns of a motif with a circle and a line combined, and a circle motif, an optical illusion could be observed.

• 한국의류학회지
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• 제36권6호
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• pp.616-630
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• 2012

This study examines the impact of consumer knowledge and familiarity with private label brands (PLBs) on perceptions and preferences toward PLBs and patronage intentions; in addition, it examines the incremental effects of a department store image over consumer knowledge and familiarity with perceptions, preferences, and patronage intentions. This study focused on midscale department store PLBs of apparel products and middle age consumers between the ages of 30 and 50 who are the main consumer group of private label brands of apparel products. A structured questionnaire was developed and data were collected from a convenience sample of 257 female consumers between the ages of 35 and 54, living in the Southeastern United States. A factor analysis identified the dimensions of department store image constructs; in addition, a hierarchical regression and multiple regression analyses examined the hypotheses. Consumer knowledge and familiarity with PLBs at department stores is recognized as a major determinant to shape consumer perceptions of and preferences for the PLBs as well as patronage intentions. The present study reveals the significant incremental effect of a store image on consumer preferences, perceptions, and patronage intentions beyond that explained by consumer knowledge and familiarity about PLBs. The study reveals that, among four store image constructs, the store atmosphere and store service factors had significant positive effects on consumer perceptions of PLBs. Store service and atmospheric aspects also affect consumer patronage intentions toward PLBs. The price factor shows a significant and positive influence on the preference consumers have for PLBs, but not on perceptions and patronage intentions. This study has practical implications for department store executives and managers on how to allocate resources in order to increase positive consumer perceptions toward PLBs, preferences over other brands, and patronage intentions of PLBs at a store as well as how to create effective store environments to promote PLBs.

• Journal of Information Technology Applications and Management
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• 제20권3_spc호
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• pp.231-257
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• 2013

The recent rise in the unstructured data generated by social media has resulted in an increasing need to collect, store, search, analyze, and visualize it. These data cannot be managed effectively by using traditional data analysis methodologies because of their vast volume and unstructured nature. Therefore, many attempts are being made to analyze these unstructured data (e.g., text files and log files) by using commercial and noncommercial analytical tools. Especially, the attempt to discover meaningful knowledge by using text mining is being made in business and other areas such as politics, economics, and cultural studies. For instance, several studies have examined pending national issues by analyzing large volumes of texts on various social issues. However, it is difficult to create satisfactory information services that can identify R&D documents on specific national issues from among the various R&D resources. In other words, although users specify some words related to pending national issues as search keywords, they usually fail to retrieve the R&D information they are looking for. This is usually because of the discrepancy between the terms defining pending national issues and the corresponding terms used in R&D documents. We need a mediating logic to overcome this discrep 'ancy so that we can identify and package appropriate R&D information on specific pending national issues. In this paper, we use association analysis and social network analysis to devise a mediator for bridging the gap between the keywords defining pending national issues and those used in R&D documents. Further, we propose a methodology for packaging R&D information services for pending national issues by using the devised mediator. Finally, in order to evaluate the practical applicability of the proposed methodology, we apply it to the NTIS(National Science & Technology Information Service) system, and summarize the results in the case study section.

• 한국응급구조학회지
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• 제11권3호
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• pp.17-30
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• 2007

Accidents occur frequently and that the date of the emergency situation and the people a good quality of life to actively respond to the emergency scene in the line of business activities and given their lives silently. 1st EMT's is currently the most jobs in the ability to work within a hospital that can be verified by expanding employment opportunities than the rate of youth unemployment and a sharp alleviate part of the current emergency medical institution performing the duties within the contents of this communication in a Emergency patients reflected in the rates for schools that can be revitalized as part of the emergency medical system(part of the emergency medical workers) for the completion of the law concerning emergency care, if you want the current laws and enforcement rules are to be improving. Under the current provisions in law concerning emergency care, and enforceable rules on enforcement issues and identify practical issues for consideration and improvements to enumerate the reasons for the demotion, the following conclusions can be sure until they improve. In addition, the National Assembly recently passed a bill AED use, and enforceable rules to enforce party that can teach AED necessarily a grade, including 1st EMT's to protect people's lives and to actively deal with the emergency situation so that it can be. Resolving these issues in the country where the emergency medical system can create a foundation for the advancement of emergency patients can get a good length of life, opens.

• 한국의류학회지
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• 제36권1호
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• pp.12-26
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• 2012

Young people have got to like 'party' and 'attending parties' is considered 'reflection of trendy lifestyle' nowadays. The more party experiences they have, the more party wear styles get various and detail. They want different styles for the next party and it stimulates designers to create something new. We now realize that the party has become popular with an increased market demand for party wear. In addition, we analyze dress styles according to party types to suggest a new dress style to satisfy consumer needs. We suggest two ways to research party wear industry conditions in Korea. Off-line shop managers need to offer practical and various designs for a good price according to party types that make distinctions between on-line and off-line shops. On-line shop managers need to use better materials and develop better service. Considering an analysis of dress style according to party types, an elegant style is good for a formal dinner party and an evening party. A romantic style is good for a season party (such as a New Year's party, a Valentines party and a Christmas party) and a chic style is good for a music party (such as a classic party, jazz party and pop-era party). In addition, the result of a dress style analysis according to party types can be used for the tip for the development of designs to come in the party wear market as well as for a dress style guide to the partiers.

• 디지털콘텐츠학회 논문지
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• 제14권4호
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• pp.573-580
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• 2013

정보기술과 기기의 발달은 정보화 사회를 가속화 시켰으며 이에 따라 정보의 생산과 확산, 그리고 소비가 훨씬 빠르고 편리해졌다. 사람들이 이제 언제 어디서든 무선통신과 스마트기기를 활용하여 정보를 창조, 공유, 소비할 수 있게 되었다. 또한, 기술의 발달은 기존의 텍스트가 주를 이루던 사용자의 데이터 소비패턴을 이미지, 음성, 영상의 대용량 데이터를 확산과 공유를 가능하게 되었으며 이를 통하여 개인이 소비하는 데이터의 양도 기하급수적으로 늘어나게 되었다. 과거와는 다르게 빠르게 생성되고 소비되는 방대한 데이터 정보 속에서 유용한 데이터를 찾아서 찾고 원하는 방향으로 알맞게 분석하는지가 더욱 중요한 부분이 되었다. 본 연구에서는 빅데이터에 대하여 살펴보고 전자무역 분야에서의 활용 방법을 보여준다.

• 한국컴퓨터정보학회논문지
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• 제25권9호
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• pp.53-62
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• 2020

최근 연구된 상품 추천 서비스들은 고객들의 구매 이력을 통해서만 추천이 이루어졌다. 본 논문에서는 구매 이력을 통해 추천뿐만 아니라 고객이 상품을 고를 때 취하는 행동 패턴을 분석하여 관심도가 높은 광고를 노출하는 행동 패턴 분석 기반 디지털 사이니지 서비스를 제안한다. 이 서비스는 고객행동 패턴을 분석하여 실질적으로 관심을 가지는 상품에 대해 관심도를 추출한다. 추출된 관심도와 고객들의 구매 이력을 Wide & Deep 모델을 통해 학습하고, 이를 바탕으로 MF(Matrix Factorization) 모델을 통해 다른 상품들의 희소 벡터를 예측한다. 예측된 상품 관심도에 대한 순위를 도출하고, 적합한 광고를 노출하기 위해 고객과 상호 작용할 수 있는 인도어 사이니지를 활용한다. 본 논문의 서비스를 통해 온라인뿐만이 아닌 오프라인 환경에서도 고객의 관심 정보를 파악하고 단순히 무작위로 노출하는 광고가 아닌 고객에게 적합한 광고를 제공하여 만족도 높은 구매 환경이 조성될 것이다.

• 디지털융복합연구
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• 제16권9호
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• pp.375-381
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• 2018

본 연구는 국내 외 업종 간 콜라보레이션의 효과적인 방향성을 제안하고 이를 확산시키는 것을 목적으로 한다. 이를 위해 국내 외의 기업이 콜라보레이션을 통해 높은 가치를 실현한 사례를 연구 방법으로 선택했다. 연구결과 최근 공유경제에 관한 관심이 높아짐으로 인해, 기업에서도 점차 협업을 통해 공유가치를 실현하기 위해 노력하는 것을 알 수 있었다. 이러한 결과를 바탕으로 실용적 가구 브랜드인 IKEA와 숙박 공유 플랫폼 서비스인 Airbnb의 콜라보레이션을 제안하였다. 콜라보레이션을 통해 이 두 기업의 현재 한계점을 상생시킬 수 있었고, 공유경제의 가치 실현으로 이들의 사회적 이미지까지 높아질 수 있다는 결과 값을 얻어낼 수 있었다. 향후 본 연구를 바탕으로, IKEA와 Airbnb뿐만 아니라 여러 기업이 콜라보레이션을 통해 공유경제 활성화의 가치를 만들어 낼 수 있기를 기대한다.

• Architectural research
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• 제9권1호
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• pp.9-18
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• 2007

The objective of this research study was twofold; 1) to explore and identify health supportive design factors in Swedish elderly care homes and 2) to understand their usefulness and suggest implication in Korean elderly care settings. A descriptive and explorative method was applied using a combination of field studies and semi-structured interviews. Three study trips were carried out during Sept. $14^{th}$ and Oct. $12^{th}$ 2005; two facilities situated in Stockholm suburbs and one in the south of Sweden. According to this research, the valuable factors to support health and well-being for the elderly are as follows; 1) Community integration: These elderly care homes are generally places close to a residential area center or a city center. Services are often shared between residents and community members at large, consequently there is a flow of "visitors" of all ages connecting with the facility on a daily basis. 2) Homelike environment: A noteworthy aspect of Swedish elderly care homes is keeping the facility appearance as homelike as possible. The associations with home may be explored through the appearance and configuration of both the exterior and interior of the building. These homes seemed to be designed with a conscious aim to create a homelike setting. 3) Small scale approach: Clustering of resident rooms is one method through which the small scale approach can be achieved in larger facilities. With unit clusters, the facility can foster opportunities for social interactions among resident. 4) Accessibility to garden and nature: The courtyard is a well developed concept in planning elderly care homes in Sweden. They are generally safe and easily accessible to the residents. Studying Swedish models may provide practical knowledge of how the physical setting may improve resident's health in Korean elderly care homes.