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사상체질 임상자료 기반 의사결정나무 생성 알고리즘 비교
진희정(Heejeong Jin),이수경(Su Kyung Lee),이시우(Siwoo Lee) 한국한의학연구원 2011 한국한의학연구원논문집 Vol.17 No.2
Objectives : In the clinical field, it is important to understand the factors that have effects on a certain disease or symptom. For this, many researchers apply Data Mining method to the clinical data that they have collected. One of the efficient methods for Data Mining is decision tree induction. Many researchers have studied to find the best split criteria of decision tree; however, various split criteria coexist. Methods : In this paper, we applied several split criteria(Information Gain, Gini Index, Chi-Square) to Sasang constitutional clinical information and compared each decision tree in order to find optimal split criteria. Results & Conclusion : We found BMI and body measurement factors are important factors to Sasang constitution by analyzing produced decision trees with different split measures. And the decision tree using information gain had the highest accuracy. However, the decision tree that produced highest accuracy is changed depending on given data. So, researcher have to try to find proper split criteria for given data by understanding attribute of the given data.
사상체질 의사결정시스템 구축을 위한 체질 진단 자료를 이용한 예비연구
진희정(Jin Heejeong),문진석(Moon Jinseok),고성호(Go Seongho),구임회(Ku Imhoi),이시우(Lee Siwoo),이도헌(Lee Doheon),송미영(Song Miyoung),김종열(Kim Jongyeol) 한국한의학연구원 2007 한국한의학연구원논문집 Vol.13 No.2
The need for the study of the revealing Sasang constitution at scientific term is increasing as the application of this discipline to the patient produces more accurate result. To obtain scientific evidence of Sasang constitution, it is crucial to analyze accumulated clinical information and associate them to the biological indices that may classify Sasang constitution. Thus, the analysis of clinical information is the most important stepping stone to go toward to the stage of developing model and decision support system (DSS) for classifying Sasang constitution. This study is a preliminary analysis of 1,109 samples collected with 171 clinical indices. To find meaningful clinical indices for classifying Sasang constitutional medicine, we applied decision tree model for them. The skin of 66.5% within whole Taeeumin is thick and non feeble. In the case of 69.8% within whole Soyangin, the skin is non feeble and slippery. In the case of 64.4% within whole Soeumin, they have feeble skin. Therefore, the property of skin can be suggested to be more important than any other index for the classification of Sasang constitution.
사상체질 임상정보 분석을 위한 웹 기반의 의사결정 나무 프로그램 개발
진희정(Jin Heejeong),김명근(Kim Myounggeun),김종열(Kim Jongyeol) 한국한의학연구원 2008 한국한의학연구원논문집 Vol.14 No.3
Sasanag Contitution Medicine(SCM) is the traditional medicine theory based on constitutional medicine in Korea. It is most important that a personal SCM type is determined accurately ahead of applying any Sasang treatments. For this, many researches have been studied to diagnose the SCM type using constitutional clinical data. The decision tree is a tree-structured data-mining methodology. Recently, in the Korean traditional medicine society, there have been several efforts to find diagnosing tools using the decision tree method. So, we developed a decision tree program based on web for analyzing constitutional clinical information. It can use various clinical data as input data, offer filtering function to select clinical data to be used. We can find useful factor to be influential on SCM types using this program.
진희정(Jin Heejeong),김명근(Kim Myounggeun),김효정(Kim Hyogung),유영법(Yu Youngbeob),김종열(Kim Jongyeol) 한국한의학연구원 2008 한국한의학연구원논문집 Vol.14 No.1
Although the theory of Sasang Consititution is widely used in oriental clinic, there is only conceptual definition about the constitution not technical definition which is consented by every experts. In the present, the effect and different responses of constitutional medicines is the most widely accepted criteria among technical definitions. However, these medicines consist of several herbs which are included specific constitution. So, it is hard to define the characters about the Sasang Constitution through analysis of the medicines. In this paper, we collected the various information about the constitutional herbs, and constructed database and web application for accessing this information. It is useful and can be basis for finding the characteristics of constitutional medicines.
진희정(HeeJeong Jin),조환규(HwanGue Cho) 한국정보과학회 2005 한국정보과학회 학술발표논문집 Vol.32 No.2
단백체는 세포가 처해있는 환경에 따라,그리고 각 조직 별로 유동적으로 존재하며,세포의 실제적인 기능을 표현해준다. 이러한 이유로 세포 내에서 일어나는 실제적인 현상들을 전체 단백질 단계에서 통합적으로 파악하고자 하는 단백체학 연구가 활발하게 진행되고 있다. 미지의 단백질의 기능을 밝혀내는 연구는 단백체학의 가장 기본적이면서 중요한 부분이라고 할 수 있다. 본 논문에서는 “단백질 상호작용 네트웍 사전(PIND)"을 구축함으로써 단백질의 기능을 예측하는 새로운 방법론을 소개한다.
진희정(Heejeong Jin),유종향(Jonghyang Yoo),장은수(Eunsu Jang),이시우(Siwoo Lee) 한국한의학연구원 2010 한국한의학연구원논문집 Vol.16 No.2
Objectives : Recently, in Sasang Constitution Medicine (SCM), many researchers have studied to construct objective diagnose tool for the SCM type. It is most important to collect correct constitutional clinical data in these studies. Methods : In our work, we construct a web-based system for collecting constitutional clinical data effectively. Results & Conclusion : The system offers 4 types of input programs, which helps to collect clinical information from various hospitals, and performs verification service to minimize input errors. Currently, we have collected about four thousands data using the our system and we will provide several analysis tool in the system for researchers.
체질 임상 정보를 분석하기 위한 임상 지수 프로그램 개발
진희정(Heejeong Jin),김명근(Myounggeun Kim),김종열(Jongyeol Kim),이시우(Siwoo Lee) 한국한의학연구원 2009 한국한의학연구원논문집 Vol.15 No.1
In Sasang Constitution Medicine (SCM), it is most important that a personal SCM type is determined accurately ahead of applying any Sasang treatments. Although SCM doctors have districted personal SCM types in many hospitals and universities via their own discriminant, it still lacks objective criteria on diagnosis of SCM type. Therefore, many researchers have been studied to diagnose the SCM type using constitutional clinical data. Previous work, we have developed decision tree program to analyze the clinical information. In this paper, we developed a clinical index program based on the web to analyze the correlation among clinical information. Finally, we identified useful factors(4 clinical indexes) which have significant influence on SCM types using clinical index program with previously developed decision tree program.
김상균(Kim Sangkyun),김철(Kim Chul),진희정(Jin Heejeong),송미영(Song Miyoung) 한국한의학연구원 2008 한국한의학연구원논문집 Vol.14 No.1
Although the judgment of constitutions is given according to the Sasang Typology in domestic korean medicine hospitals and universities, the unified constitution clinical information has not been accumulated. Therefore, in this paper, based on collection items where oriental doctors and experts have already agreed, we construct the input system which correctly and effectively collects the clinical information of persons of which constitutions are distinguished explicitly. In the future, the input system could be utilized to collect clinical information continuously and will help to search and analyze the constitution clinical information.