• 가정간호학회지
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• 제4권
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• pp.5-22
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• 1997

The purpose of the study was to development an information delivery system for the home nursing service, to demonstrate and to evaluate the efficiency of it. The period of research conduct was from September 1996 to August 31, 1997. At the 1st stage to achieve the purpose, Firstly Assessment tool for the patients with cerebral vascular disease who have the first priority of HNS among the patients with various health problems at home was developed through literature review. Secondly, after identification of patient nursing problem by the home care nurse with the assessment tool, the patient's classification system developed by Park (1988) that was 128 nursing activities under 6 categories was used to identify the home care nurse's activities of the patient with CAV at home. The research team had several workshops with 5 clinical nurse experts to refine it. At last 110 nursing activities under 11 categories for the patients with CVA were derived. At the second stage, algorithms were developed to connect 110 nursing activities with the patient nursing problems identified by assessment tool. The computerizing process of the algorithms is as follows: These algorithms are realized with the computer program by use of the software engineering technique. The development is made by the prototyping method, which is the requirement analysis of the software specifications. The basic features of the usability, compatibility, adaptability and maintainability are taken into consideration. Particular emphasis is given to the efficient construction of the database. To enhance the database efficiency and to establish the structural cohesion, the data field is categorized with the weight of relevance to the particular disease. This approach permits the easy adaptability when numerous diseases are applied in the future. In paralleled with this, the expandability and maintainability is stressed through out the program development, which leads to the modular concept. However since the disease to be applied is increased in number as the project progress and since they are interrelated and coupled each other, the expand ability as well as maintainability should be considered with a big priority. Furthermore, since the system is to be synthesized with other medical systems in the future, these properties are very important. The prototype developed in this project is to be evaluated through the stage of system testing. There are various evaluation metrics such as cohesion, coupling and adaptability so on. But unfortunately, direct measurement of these metrics are very difficult, and accordingly, analytical and quantitative evaluations are almost impossible. Therefore, instead of the analytical evaluation, the experimental evaluation is to be applied through the test run by various users. This system testing will provide the viewpoint analysis of the user's level, and the detail and additional requirement specifications arising from user's real situation will be feedback into the system modeling. Also. the degree of freedom of the input and output will be improved, and the hardware limitation will be investigated. Upon the refining, the prototype system will be used as a design template. and will be used to develop the more extensive system. In detail. the relevant modules will be developed for the various diseases, and the module will be integrated by the macroscopic design process focusing on the inter modularity, generality of the database. and compatibility with other systems. The Home care Evaluation System is comprised of three main modules of : (1) General information on a patient, (2) General health status of a patient, and (3) Cerebrovascular disease patient. The general health status module has five sub modules of physical measurement, vitality, nursing, pharmaceutical description and emotional/cognition ability. The CVA patient module is divided into ten sub modules such as subjective sense, consciousness, memory and language pattern so on. The typical sub modules are described in appendix 3.

• 한국가정과교육학회지
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• 제17권2호
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• pp.197-219
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• 2005

본 연구는 실업계열 전문 과목 중에서 범계열적으로 선택 이수되고 있는 식품과 영양 과목의 성취기준 및 평가기준을 국가 교육과정에 근거하여 개발하고, 활용 가능한 예시 평가 도구를 개발하여 식품과 영양 과목 교육과정 운영의 내실화와 평가 기반 구축에 목적 두고 수행하였다. 주요 연구 결과로는 먼저 문헌 및 자료 분석을 통해 성취기준 및 평가기준의 개념과 필요성, 식품과 영양 과목의 성취기준 및 평가기준, 예시 평가도구 개발에 적용될 개발 절차와 제시 모형 등을 고찰하였다. 두 번째로는 식품과 영양 과목의 교육과정 및 교과서 내용 체계를 분석하여 성취기준 및 평가기준 개발을 위한 내용 요소를 6개 대영역, 32개 중영역, 70개의 내용 요소로 선정 구성하였다. 성취기준은 이 내용 요소에 기초를 두고 내용 특성과 학습자의 도달점 행동을 고려하여 총 89개로 세분화하여 개발하였다. 또한 평가기준은 각 성취기준을 기초로 성취수준과 활동 수준에 차이를 두어 상${\cdot}$중${\cdot}$하 3단계로 제시하였다. 셋째, 예시 평가도구는 개발한 성취기준과 평가기준의 구체적인 예로서 단위학교의 실정에 맞게 적절하게 변형하여 사용할 수 있는 참고 자료임을 전제로 개발하였으며 서술형, 보고서법, 실험${\cdot}$실습법, 포트폴리오, 단답형 등의 유형을 적용하여 총 100개 문항을 개발하였다. 끝으로 개발한 식품과 영양 과목의 성취기준 및 평가기준, 예시평가 도구를 단위학교 수준에서 효과적으로 활용할 수 있는 방안을 제시하였다.

• Asia pacific journal of information systems
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• 제18권2호
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• pp.95-114
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• 2008

Recent interests in data mining result from the expansion of the amount of business data and the growing business needs for extracting valuable knowledge from the data and then utilizing it for decision making process. In particular, recent advances in association rule mining techniques enable us to acquire knowledge concerning sales patterns among individual items from the voluminous transactional data. Certainly, one of the major purposes of association rule mining is to utilize acquired knowledge in providing marketing strategies such as cross-selling, sales promotion, and shelf-space allocation. In spite of the potential applicability of association rule mining, unfortunately, it is not often the case that the marketing mix acquired from data mining leads to the realized profit. The main difficulty of mining-based profit realization can be found in the fact that tremendous numbers of patterns are discovered by the association rule mining. Due to the many patterns, data mining experts should perform additional mining of the results of initial mining in order to extract only actionable and profitable knowledge, which exhausts much time and costs. In the literature, a number of interestingness measures have been devised for estimating discovered patterns. Most of the measures can be directly calculated from what is known as a contingency table, which summarizes the sales frequencies of exclusive items or itemsets. A contingency table can provide brief insights into the relationship between two or more itemsets of concern. However, it is important to note that some useful information concerning sales transactions may be lost when a contingency table is constructed. For instance, information regarding the size of each market basket(i.e., the number of items in each transaction) cannot be described in a contingency table. It is natural that a larger basket has a tendency to consist of more sales patterns. Therefore, if two itemsets are sold together in a very large basket, it can be expected that the basket contains two or more patterns and that the two itemsets belong to mutually different patterns. Therefore, we should classify frequent itemset into two categories, inter-pattern co-occurrence and intra-pattern co-occurrence, and investigate the effect of the market basket size on the two categories. This notion implies that any interestingness measures for association rules should consider not only the total frequency of target itemsets but also the size of each basket. There have been many attempts on analyzing various interestingness measures in the literature. Most of them have conducted qualitative comparison among various measures. The studies proposed desirable properties of interestingness measures and then surveyed how many properties are obeyed by each measure. However, relatively few attentions have been made on evaluating how well the patterns discovered by each measure are regarded to be valuable in the real world. In this paper, attempts are made to propose two notions regarding association rule measures. First, a quantitative criterion for estimating accuracy of association rule measures is presented. According to this criterion, a measure can be considered to be accurate if it assigns high scores to meaningful patterns that actually exist and low scores to arbitrary patterns that co-occur by coincidence. Next, complementary measures are presented to improve the accuracy of traditional association rule measures. By adopting the factor of market basket size, the devised measures attempt to discriminate the co-occurrence of itemsets in a small basket from another co-occurrence in a large basket. Intensive computer simulations under various workloads were performed in order to analyze the accuracy of various interestingness measures including traditional measures and the proposed measures.

• 한국환경교육학회지:환경교육
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• 제7권1호
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• pp.46-87
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• 1994

Our country has been consuming a huge amount of energy in the course of industrialization and its demand is expected to increase enormously in the future. However, the deposits of energy resources are so limited that the settlement of energy problem comes up the essential subject. To solve the energy problem, it is requested that new resources to gain energy stably should be developed and also energy should be economized and used effectively. The effective use of energy and an the wisdom of economy in energy are requested to everybody and these things should be habitualized from very young age through education. Nevertheless, almost every school in our country hasn’t been concerned about energy education. Even though they have a concern, they are very short of the energy education materials and the quality of the materials is not so good. Therefore it is very meaningful to the settlement of energy problem of the country to make the students who will lead our country to make the students who will lead our country in the future realize the seriousness of energy problem and to provide them the necessary knowledge and methods to solve this problem so that they practice those things in everyday life. Having these necessities, this research, supported by The Korea Energy Management Corporation(KEMCO), was performed for 8 months from April 17, 1994 to December 17, 1994. Many peoples participated in this study such as 30 staffs of researchers and authors, 5 staffs of photographers and illustrators, and 3 VCR program producers developing an energy education material set for middle school students that includes a printed material for student, a diskette for computer simulation, a teacher's guidebook, VCR material and its guidebook. The following main development direction was established : First, the material for student should be consisted of units that let students know the seriousness of energy problem. Second, the focus should be put on the necessary method and practice to economize energy actually in real life based on the basic knowledge learned in elementary school. Third, material for student should be consisted of modules to be student activity-oriented teaching-learning rather than lecture-oriented one. The activity, to maximize student's interests, should be presented in various forms such as experiments, investigation, play, data interpretation, computer simulation, visits, expression and appreciation, etc. To develop the energy education materials for middle school students, a research plan was made first. After literature review about domestic and foreign energy education materials, several research trips home and abroad, and discussion meetings, the basic theory of energy education such as the principle, objective, contents, teaching-learning method, and evaluation method was established. Material for student was developed through the following procedures : The activities in the existing energy education materials were analysed and were divided into four categories related to energy using places of home, school, community, and country, and which were again divided into three categories related to time of past, present, and future, Considering these division, nine modules which are structure units of material for student were chosen, Each module comprises 2-4 activities. Totally 31 activities were designed in this way. The syllabi were made out for each activity and writing was asked for to experts related to each activity after several discussions and revision. To complement the draft, another several discussions and revision were also made on it and then pictures and illustrations were asked for. All these procedures complete the material for student, titled ; Energy Inquiry of Middle School Students', which totals 129 pages and is all in color. As the manuscript of material for student was fixed, writing for teacher's guidebook was asked for to the same writers. The draft of teacher's guidebook was also complemented through the several concentrated works and discussions. Teacher's guidebook focused on the teaching-learning principle and methods of energy education and on the concrete instruction cases for effective instruction of material for student. It is organized with two parts : the one is 'general outline' which introduces theoretical contents and the other is 'details' which are practically helpful to teaching-learning. It is totally 131 pages including both 'general outline' and 'details'. The VCR material and its guidebook consist of contents that cultivate the good attitude trying to economize energy and raise student's interests with a purpose of strong motivation to recognize the necessity of economy and practice it. After establishing development direction of VCR material through discussion meetings and research trips, its script was made by relevant experts. Then the script was also reviewed two times. The drafted VCR material made by a video material developing expert was examined and modified by previews twice. After completion of VCR material, the VCR guidebook was made. All these procedures led to the development of VCR material which runs 20 minutes in VHS type. The VCR guidebook shows a production purpose of the program, structure of contents, evaluation methods, and contents of the program in detail to give help to instructors when they use this VCR material, When these energy education materials are used, it is desirable that the VCR material should be presented first to induce student's motive, and then material for student is introduced Since the material for student is composed of activity-oriented modules and each module is independent one another in general, and each activity is, too. the necessary module or activity can be chosen and utilized in any order according to school or class conditions. This energy education materials will contribute to the development of student's ability to solve energy problem in everyday life and teacher's ability to teach the fundamental knowledge and method in solving energy problem.

• 만화애니메이션 연구
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• 통권49호
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• pp.53-85
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• 2017

본 연구는 애니메이션 시장의 새로운 윈도우를 활성화시키기 위해 DC 코믹스(DC Comics)의 슈퍼히어로 만화를 원작으로 하는 워너 브러더스(Warner Bros)사의 슈퍼히어로 애니메이션 제작 시스템을 분석했다. 이는 국내의 미디어 환경에서 DVD용으로 제작되는 과정을 적용할 수 있는 윈도우로 IPTV를 고려할 수 있게 되었기 때문이다. 각 작품의 엔딩 크레딧을 분석하는 일종의 텍스트 분석으로서 제작 관여 인력의 역할과 인원을 분석 대상으로 했다. 총 애니메이션 28편을 분석한 결과 다음과 같이 나타났다. 제작 시스템에서 나타나는 특징은 첫째 제작자 혹은 감독의 역할을 복수에 걸쳐 하는 인물들이 있다는 점이고, 둘째 개인이 아닌 복수의 인물에 의한 집단 제작 시스템을 활용한다는 점이며, 셋째 감독과 제작자의 역할을 모두 담당하는 인물 활용이라는 점이다. 외주 시스템에서 나타나는 특징으로는 첫째 한국과 일본의 기업만이 외주에 참여하고 있고, 둘째 한 해에 제작되는 작품을 한 기업이 모두 전담하기보다는 2개 정도의 기업에 분산되고 있으며, 셋째 편당 참여인력 면에서는 일본의 인력이 한국의 인력보다 많다는 점이다. 넷째, <배트맨: 고담 나이트> (Batman: Gotham Knight)는 완성형 제작방식에 조금 더 근접했고, 다섯째 일본 기업이 한국 기업에게 업무를 주는 재하청의 모습도 나타나고 있으며, 여섯째 한국 업체의 투입인력의 역할은 주요 집중 업무가 key 제작으로 변화가 조금 있다. 한국 애니메이션 제작 시스템에 대한 적용하기 위한 핵심도 제작 시스템 운영방식과 외주 제작 시스템이라는 특성에 따라 제시할 수 있다. 제작 시스템 운영 부분에서는 첫째 제작 시스템의 집단화에 대한 고려가 필요하다는 점이고, 둘째 유니버스형 스토리텔링 개발이 필요하다는 점이다. 외주 시스템 부분에서는 첫째 2D 애니메이션 분야에 대한 교육을 지속해야 한다는 점과, 둘째 글로벌 외주 사업에 대한 적극적 참여라는 점이다. 이러한 적용을 통해 제작자의 역할을 강화하고 제작 경험을 축적하면서 IPTV와 같은 다른 윈도우를 이용할 수 있는 애니메이션의 지속적 제작을 유도할 수 있을 것으로 본다. 이러한 캐릭터 중심의 세계관에 대한 연구가 후속 연구로서 두 가지 차원에서 제시될 필요가 있다. 하나는 세계관의 구축으로 가능한 기존의 이야기 자원에 대한 개발에 관한 것이다. 기존의 역사 속에서 세계관 구축이 가능한 캐릭터를 개발하는 것은 고대 게르만족의 신화인 토르가 그 예라고 할 수 있다. 다른 하나는 세계관 구축을 전제로 하는 작품의 개발에 대한 것이다. 현재 영화 등에서 자주 활용되고 웹툰의 캐릭터를 세계관 구축이 가능한 형태로 확장시키는 것은 스토리 기반 콘텐츠들 간의 연계를 강화하는 동시에 애니메이션 작품의 양산을 유도할 수 있다는 장점이 있으므로 이에 대한 연구가 필요하다.

• 한국환경생태학회지
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• 제29권3호
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• pp.474-484
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• 2015

본 연구는 중국 자연보호구의 현행 법률 및 법체계와 역사, 조직, 예산 등 관리체계를 분석하여 중국의 보호지역 관리를 위한 기초적 자료를 제공할 목적으로 수행되었다. 법체계는 "중화인민공화국 헌법(1954)"에 의거하여 "환경보호법(1989)", "자연보호구 조례(1994)", "자연보호구 토지 관리 방법(1995)"이 제정되었다. 자연보호구의 발전과정은 시작단계(1956-1965), 정지단계(1966-1978), 발전 단계(1979-1998), 급증 단계(1999-2006), 안정 단계(2007-현재)로 나눌 수 있으며, 안정단계에서는 생태 환경의 보호, 감독, 관리 강화 등 5단계로 분류된다. 중국 자연보호구는 법에 의거하여 국가급, 성급, 시급, 현급으로 분류하고, 자원유형별로는 자연생태체계류, 야생생물류, 자연유적류로 나누고 있다. 전체 자연보호구 2,640개소 중 임업부가 관리하고 있는 자연보호구는 1,958개(전국 수량의 74.2%) 로 가장 높은 비율을 차지하고 있다. 자연보호구 1,384개소(52.4%)에 관리조직이 건립되어 있으며, 관리조직 유 무에 상관없이 관리인원을 배치한 자연보호구는 1,702개소(64.47%)로 관리조직이 있는 비율보다 높게 나타났다.

• 설비공학논문집
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• 제21권12호
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• pp.715-732
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• 2009

This article reviews the papers published in the Korean Journal of Air-Conditioning and Refrigeration Engineering during 2008. It is intended to understand the status of current research in the areas of heating, cooling, ventilation, sanitation, and indoor environments of buildings and plant facilities. Conclusions are as follows. (1) Research trends in thermal and fluid engineering have been surveyed in the categories of general fluid flow, fluid machinery and piping, new and renewable energy, and fire. Well-developed CFD technologies were widely applied in developing facilities and their systems. New research topics include fire, fuel cell, and solar energy. Research was mainly focused on flow distribution and optimization in the fields of fluid machinery and piping. Topics related to the development of fans and compressors had been popular, but were no longer investigated widely. Research papers on micro heat exchangers using nanofluids and micro pumps were also not presented during this period. There were some studies on thermal reliability and performance in the fields of new and renewable energy. Numerical simulations of smoke ventilation and the spread of fire were the main topics in the field of fire. (2) Research works on heat transfer presented in 2008 have been reviewed in the categories of heat transfer characteristics, industrial heat exchangers, and ground heat exchangers. Research on heat transfer characteristics included thermal transport in cryogenic vessels, dish solar collectors, radiative thermal reflectors, variable conductance heat pipes, and flow condensation and evaporation of refrigerants. In the area of industrial heat exchangers, examined are research on micro-channel plate heat exchangers, liquid cooled cold plates, fin-tube heat exchangers, and frost behavior of heat exchanger fins. Measurements on ground thermal conductivity and on the thermal diffusion characteristics of ground heat exchangers were reported. (3) In the field of refrigeration, many studies were presented on simultaneous heating and cooling heat pump systems. Switching between various operation modes and optimizing the refrigerant charge were considered in this research. Studies of heat pump systems using unutilized energy sources such as sewage water and river water were reported. Evaporative cooling was studied both theoretically and experimentally as a potential alternative to the conventional methods. (4) Research papers on building facilities have been reviewed and divided into studies on heat and cold sources, air conditioning and air cleaning, ventilation, automatic control of heat sources with piping systems, and sound reduction in hydraulic turbine dynamo rooms. In particular, considered were efficient and effective uses of energy resulting in reduced environmental pollution and operating costs. (5) In the field of building environments, many studies focused on health and comfort. Ventilation. system performance was considered to be important in improving indoor air conditions. Due to high oil prices, various tests were planned to examine building energy consumption and to cut life cycle costs.

• 설비공학논문집
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• 제27권7호
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• pp.380-394
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• 2015

This article reviews the papers published in the Korean Journal of Air-Conditioning and Refrigeration Engineering during 2014. It is intended to understand the status of current research in the areas of heating, cooling, ventilation, sanitation, and indoor environments of buildings and plant facilities. Conclusions are as follows. (1) The research works on the thermal and fluid engineering have been reviewed as groups of heat and mass transfer, cooling and heating, and air-conditioning, the flow inside building rooms, and smoke control on fire. Research issues dealing with duct and pipe were reduced, but flows inside building rooms, and smoke controls were newly added in thermal and fluid engineering research area. (2) Research works on heat transfer area have been reviewed in the categories of heat transfer characteristics, pool boiling and condensing heat transfer and industrial heat exchangers. Researches on heat transfer characteristics included the results for thermal contact resistance measurement of metal interface, a fan coil with an oval-type heat exchanger, fouling characteristics of plate heat exchangers, effect of rib pitch in a two wall divergent channel, semi-empirical analysis in vertical mesoscale tubes, an integrated drying machine, microscale surface wrinkles, brazed plate heat exchangers, numerical analysis in printed circuit heat exchanger. In the area of pool boiling and condensing, non-uniform air flow, PCM applied thermal storage wall system, a new wavy cylindrical shape capsule, and HFC32/HFC152a mixtures on enhanced tubes, were actively studied. In the area of industrial heat exchangers, researches on solar water storage tank, effective design on the inserting part of refrigerator door gasket, impact of different boundary conditions in generating g-function, various construction of SCW type ground heat exchanger and a heat pump for closed cooling water heat recovery were performed. (3) In the field of refrigeration, various studies were carried out in the categories of refrigeration cycle, alternative refrigeration and modelling and controls including energy recoveries from industrial boilers and vehicles, improvement of dehumidification systems, novel defrost systems, fault diagnosis and optimum controls for heat pump systems. It is particularly notable that a substantial number of studies were dedicated for the development of air-conditioning and power recovery systems for electric vehicles in this year. (4) In building mechanical system research fields, seventeen studies were reported for achieving effective design of the mechanical systems, and also for maximizing the energy efficiency of buildings. The topics of the studies included energy performance, HVAC system, ventilation, and renewable energies, piping in the buildings. Proposed designs, performance performance tests using numerical methods and experiments provide useful information and key data which can improve the energy efficiency of the buildings. (5) The field of architectural environment was mostly focused on indoor environment and building energy. The main researches of indoor environment were related to the evaluation of work noise in tunnel construction and the simulation and development of a light-shelf system. The subjects of building energy were worked on the energy saving of office building applied with window blind and phase change material(PCM), a method of existing building energy simulation using energy audit data, the estimation of thermal consumption unit of apartment building and its case studies, dynamic window performance, a writing method of energy consumption report and energy estimation of apartment building using district heating system. The remained studies were related to the improvement of architectural engineering education system for plant engineering industry, estimating cooling and heating degree days for variable base temperature, a prediction method of underground temperature, the comfort control algorithm of car air conditioner, the smoke control performance evaluation of high-rise building, evaluation of thermal energy systems of bio safety laboratory and a development of measuring device of solar heat gain coefficient of fenestration system.

• 농촌의학ㆍ지역보건
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• 제36권4호
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• pp.238-250
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• 2011

지속적인 암환자 및 암 관련 의료비용 급증은 환자 개인의 고통 및 경제적 부담으로 작용할 뿐만아니라 사회적인 부담이 되고 있다. 이에 재가암 환자에 대한 통증관리 등의 서비스 제공은 의료 비용을 절감하는데 효과가 있을 것으로 여겨지고 있다. 따라서 재가암환자에 대한 적절한 의료 및 복지 서비스 등을 제공하기 위한 자료로 활용하고자 재가암환자관리사업 수혜자의 서비스 요구도에 대하여 각 보건소의 재가암환자관리사업 담당자가 재가암환자관리사업 수혜자 방문시 면접조사방법으로 조사하였고, 불충분응답자 15명을 제외한 661명을 최종 분석대상으로 하였다. 재가암환자의 서비스 요구도에 대한 요인분석 결과 5가지 영역으로 분류할 수 있었고, 요인별 신뢰도는 0.593~0.890이었다. 요구도의 순위는 사회적 지지, 정보 및 교육제공, 심리적 문제해결, 신체증상해결, 가사도움 순으로 조사되었다. 대상자를 암 치료 및 진행 정도에 따라 말기암 환자, 치료중인 암환자, 암 완치자로 분류하였을 때, 말기암환자의 요구도가 가장 높게 나타났으며, 사회적지지, 심리적 문제 해결, 정보 및 교육 순서로 요구도가 높았다. 나머지 그룹에서는 사회적지지, 정보 및 교육, 심리적 문제 해결 순으로 말기 암환자와 차이를 보였다. 뿐만 아니라, 연령별, 거주 지역별, 종교 유무에 따른 서비스 요구도에 차이가 관찰되었고, 이를 바탕으로 현재 제공되고 있는 재가암환자관리의 효율적인 추진을 위해 대상자 분류, 연령별 및 거주 지역별 특성에 따른 서비스가 제공될 수 있도록 해야 할 것이다.

• 지능정보연구
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• 제21권3호
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• pp.101-116
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• 2015

많은 기관들이 데이터에 기반을 둔 의사결정을 수행해 왔으며, 특히 수치자료를 비롯한 정형 데이터가 이러한 목적으로 널리 활용되어 왔다. 하지만 최근에는 스마트기기와 소셜미디어의 발달로 인해 다양한 형태를 가진 방대한 양의 정보가 생성, 공유, 저장되면서, 전통적인 정형 데이터 기반 의사결정으로부터 비정형 빅데이터 기반 의사결정으로 관심의 전환이 이루어지고 있다. 데이터 기반 의사결정의 대표적 분야인 추천시스템 분야에서도 성능 향상을 위해 비정형 데이터를 활용해야 한다는 필요성이 최근 꾸준히 제기되고 있다. 특히 사용자의 성향이나 선호도는 고객의 니즈와 직결되기 때문에, 비정형 데이터 분석을 통해 사용자의 성향을 파악하고 이를 통해 상품 추천 및 구매 예측의 정확도를 향상시키기 위한 노력이 매우 시급하게 이루어질 필요가 있다. 따라서 본 연구에서는 사용자의 성향을 측정하여 재구매 예측 정확도, 특히 카테고리별 재구매 예측 정확도를 높임으로써, 궁극적으로 추천시스템의 성능을 향상시킬 수 있는 방안을 제시한다. 구체적으로는 사용자의 일상적인 인터넷 사용 기록을 분석하여 고객이 조회하는 뉴스 기사의 이슈를 식별하고 다양한 이슈에 대한 고객의 관심을 계량화한 후, 이를 활용하여 고객의 카테고리별 재구매 여부를 예측하는 모델을 제안하고자 한다. 실제 웹 트랜잭션으로부터 도출된 인터넷 뉴스 조회 기록 및 쇼핑몰 구매 기록을 대상으로 실험을 수행한 결과, 고객의 과거 구매이력만을 활용한 카테고리 재구매 예측 모형에 비해 본 연구에서 제안한 모형, 즉 고객의 과거 구매이력과 관심 이슈를 모두 활용한 예측 모형의 정확도가 다소 우수한 것으로 나타났다.