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Bayesian Learning through Weight of Listener’s Prefered Music Site for Music Recommender System
조영성,문송철 한국데이터전략학회 2016 Journal of information technology applications & m Vol.23 No.1
Along with the spread of digital music and recent growth in the digital music industry, the demands for music recommender are increasing. These days, listeners have increasingly preferred to digital real-time streamlining and downloading to listen to music because it is convenient and affordable for the listeners to do that. We use Bayesian learning through weight of listener’s prefered music site such as Melon, Billboard, Bugs Music, Soribada, and Gini. We reflect most popular current songs across all genres and styles for music recommender system using user profile. It is necessary for us to make the task of preprocessing of clustering the preference with weight of listener’s preferred music site with popular music charts. We evaluated the proposed system on the data set of music sites to measure its performance. We reported some of the experimental result, which is better performance than the previous system.
A Study of Recommending Service Using Mining Sequential Pattern based on Weight
조영성,문송철,안연식 한국디지털콘텐츠학회 2014 한국디지털콘텐츠학회논문지 Vol.15 No.6
Along with the advent of ubiquitous computing environment, it is becoming a part of our common life style that the demands for enjoying the wireless internet using intelligent portable device such as smart phone and iPad, are increasing anytime or anyplace without any restriction of time and place. The recommending service becomes a very important technology which can find exact information to present users, then is easy for customers to reduce their searching effort to find out the items with high purchasability in e-commerce. Traditional mining association rule ignores the difference among the transactions. In order to do that, it is considered the importance of type of merchandise or service and then, we suggest a new recommending service using mining sequential pattern based on weight to reflect frequently changing trends of purchase pattern as time goes by and as often as customers need different merchandises on e-commerce being extremely diverse. To verify improved better performance of proposing system than the previous systems, we carry out the experiments in the same dataset collected in a cosmetic internet shopping mall.
CloudHIS의 개인 의료정보를 위한 보안강화에 관한 연구
조영성,정지문,나원식 중소기업융합학회 2019 융합정보논문지 Vol.9 No.9
Along with the growth of u-Healthcare, we propose a security enhancement based on network separation for CloudHIS with for handling healthcare information to cope with cyber attack. To protect against all security threats and to establish clear data security policies, we apply desktop computing servers to cloud computing services for CloudHIS. Use two PCs with a hypervisor architecture to apply physical network isolation and select the network using KVM switched controller. The other is a logical network separation using one PC with two OSs, but the network is divided through virtualization. Physical network separation is the physical connection of a PC to each network to block the access path from both the Internet and the business network. The proposed system is an independent desktop used to access an intranet or the Internet through server virtualization technology on a user's physical desktop computer. We can implement an adaptive solution to prevent hacking by configuring the CloudHIS, a cloud system that handles medical hospital information, through network separation for handling security enhancement. 유비쿼터스-헬스케어의 발전과 함께 사이버 공격에 대처하기 위한 개인의료정보 처리를 위한 CloudHIS의 망분리를 기반으로 한 보안 강화를 제안한다. 모든 보안 위협으로부터 보호하고 명확한 데이터 보안 정책을 수립하기 위해 CloudHIS용 데스크톱 컴퓨팅 서버를 클라우드 컴퓨팅 서비스에 적용한다. 하이퍼 바이저 아키텍처를 갖춘 두 대의 PC를 사용하여 물리적 망분리를 적용하고 KVM 스위치를 사용하여 네트워크를 선택할 수 있다. 다른 하나는 두 개의 OS가 있는 하나의 PC를 사용하는 논리적 망분리이지만 네트워크는 가상화를 통해 분할된다. 물리적 망 분리는 인터넷과 업무망 모두에서 액세스 경로를 차단하기 위해 각 네트워크에 대한 PC의 물리적 연결이다. 제안된 시스템은 사용자의 실제 데스크톱 컴퓨터에서 서버 가상화 기술을 통해 인트라넷 또는 인터넷에 액세스하는 데 사용되는 독립적인 데스크톱이다. 보안 강화를 처리하기 위해 네트워크 분리를 통해 의료병원 정보를 처리하는 클라우드 시스템인 CloudHIS를 구성하여 해킹을 방지하는 적응형 솔루션을 구현할 수 있다.
조영성,심세훈,이화영,권영준,정희연,신정이 대한신경정신의학회 2014 신경정신의학 Vol.53 No.5
양극성장애 부모의 자녀들에서 보이는 정신장애의 비율 및동반 질환, 임상평가척도 등을 분석한 결과, 정동장애를 포함한 기타 정신의학적 질환의 유병률이 높고 행동장애의 동반비율이 높으며 주관적 우울, 불안 정도가 높음이 밝혀졌다. 이는 기존의 연구들과 방향을 같이 하는 결과로서 부모의 양극성장애는 자녀에 있어 정신장애의 발병을 예측할 수 있는요인으로 생각해 볼 수 있겠다. 그러므로 양극성장애 환자를치료하는 임상가들은 그 자녀들의 정신병리에 대해서도 주의 깊게 살펴보아야 하며, 행동문제에 있어서도 양극성장애의 감별을 염두에 두고 조기개입, 조기치료를 통하여 자녀들의 정신장애를 약화시키거나 예방할 수 있어야 할 것이다. 또한 이러한 고위험군에 있어서는 대규모 종적 연구가 활발히진행되어야 할 것이다. Objectives Information on the specificity of associations between parents with bipolar disorder (BPD) and risk of psychopathology in their offspring is limited. The aim of this study was to examine the prevalence of mental disorders in the offspring of individuals with BPD in South Korea. Methods The sample consisted of 100 child and adolescent offspring (aged 6.0–18.9 years) from 65 nuclear families having at least one parent with BPD. Probands, offspring, and biological co-parents were interviewed using a semi-structured diagnostic interview and the offspring were evaluated using the Korean version of the Kiddie-Schedule for Affective Disorders and Schizophrenia-Present and Lifetime Version (K-SADS-PL). Results Sixty one of the 100 participants met the criteria for at least one mental disorder. Of these, 35 participants had a mood disorder, 35 had an anxiety disorder, and 29 had attention-deficit hyperactivity disorder (ADHD). Thirty nine of the offspring had no psychiatric diagnosis. Of the 35 with a mood disorder, 16 (45.7%) had comorbid ADHD and 18 (51.4%) had comorbid anxiety disorders. Conclusion Offspring of parents with BPD are at high risk for mental disorders. These findings further support the heredity of BPD and indicate the need for early identification and treatment.
성폭력피해자를 돕기 위한 온라인 기반 외상-초점 인지행동치료 교육프로그램에 대한 소개
조영성,송지연,이준영,Cho, Young-Sung,Song, Jiyoun,Lee, Jun-Young 대한불안의학회 2016 대한불안의학회지 Vol.12 No.2
Sexually abused victims suffer not only physical damage, but they may also experience an array of additional problems ranging from acute fear, depressed mood, anxiety, shame, or insomnia to long-term psychiatric disorders. Trauma Focused Cognitive Behavioral Therapy (TF-CBT) is known to have excellent therapeutic effects for trauma victims including victims of sexual violence. CBT treatment includes stress immunity training, relaxation training, and acceptance and commitment therapy. In foreign countries TF-CBT is carried out online in order to increase the therapeutic accessibility for the victim and improve the quality of the interview for the therapists. As a result, those victims who have difficulties in requesting external help, who live in remote areas, or who have limited time may now have access to the service and benefit from the online education programs. A website providing an online based TF-CBT program was initiated in Korea also. Through the website, victims and their guardians may obtain therapeutic information without the need for face-to-face meetings with therapists. Our goal is to create a system with this website which will provide therapeutic assistance to sexual violence victims and improve the quality of the counseling provided by the therapist.