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      • KCI등재

        대구 도시공원의 변천에 나타난 사회적 의미 해석

        이정연,정태열,Lee, Jung-Youn,Jung, Tae-Yeol 한국조경학회 2013 韓國造景學會誌 Vol.41 No.3

        본 연구는 지방도시의 하나인 대구를 대상으로 1960년대부터 현재까지 시대별로 도시공원의 계획 개원과정을 분석하고, 이를 시대적 상황과 연관 지어 고찰함으로써 도시공원의 변천에 나타난 사회적 의미를 해석하였다. 1960년대에 도시계획법과 공원법이 제정되면서 법제도 내에서 도시공원이 조성되기 시작하였다. 하지만 이때에는 도시공원이 단지 도시계획시설의 하나로만 인식되어 조성보다는 지정에만 급급하였다. 1970년대는 급격한 도시화와 폭발적인 인구 증가에 대처하기 위해 도시공원의 양적 확보에 주력하였으나, 예산부족으로 계획기간 내에 공원 조성이 완료되지 못하였다. 1980년대는 연이는 대규모 국제대회 개최로 인하여 도시미화를 위한 각종 녹화계획이 수립되면서 도시공원의 미적 기능이 재인식되었으며, 도시민의 이용욕구를 만족시키기 위해 정적공간뿐만 아니라 동적시설을 갖춘 복합적인 성격의 도시공원이 조성되기 시작하였다. 1990년대는 환경문제에 대한 관심 증대와 함께 공원에 대한 시민의 적극적인 관심표명 및 참여가 이루어지기 시작하였으며, 도시공원의 환경적 기능과 효과의 부각에 따라 도시공원의 양적 확대뿐 아니라, 질적 개선도 함께 이루어졌다. 우리나라에 있어 근대적 의미의 도시공원 도입은 구한말부터이고, 본격적으로 도시공원이 조성되기 시작한 것은 1960년대부터이다. 하지만, 본 연구를 통해서 도시공원의 변화과정에 나타난 사회적 의미를 종합해 볼 때 대구에서 시민을 위한 '공용(共用)의 휴식처'라는 본연의 의미와 목적에 부합되는 도시공원의 개념이 완성된 것은 1990년대에 와서라고 할 수 있다. This study was done for analyzing processes on the planning and opening of chronological urban parks in Daegu City since the 1960s, and for interpreting the social meaning on changes of the urban parks with regards to historical circumstances during that period. In the 1960s, urban parks, which were recognized as one of urban planning facilities, were only designated for creating rather than created, although nationally several laws including urban planning act and park act were newly legislated. Rapid urbanization and increasing population in the 1970s led to create many urban parks. However, the policy for increasing parks had been not successful because of the lack of enough funds. In the 1980s, multi-purpose urban parks including stable area as well as active facilities were created for getting several attractions to urban residents. During this period, urban parks were recognized on an aesthetic perspective through vegetating plans on the city-beautiful movement for hosting consecutive international games. The citizen participation in urban parks and the increasing concern about urban environment were started in the 1990s, and the people living in an urban area were interested in the quantitative expansion and qualified renovation of the urban parks as well. Finally, modernistic urban parks were first introduced in the late period of Chosun Dynasty, however their substantial introduction was done in the 1960s. Through this study, the concept of an urban park as a public resting place for citizen in Daegu was thought to be mostly established in the 1990s as we have investigated on the social meaning derived from the periodical changes of urban parks.

      • KCI등재

        온라인 GA 기반 비선형 시스템 식별

        이정연(Jung-Youn Lee),이홍기(Hong-Gi Lee) 한국지능시스템학회 2010 한국지능시스템학회논문지 Vol.20 No.6

        유전 알고리즘은 비선형 전역 최적화 문제 해결에 효과적이라고 알려져 있다. 그러나 해답의 신뢰성을 높이려면 많은 양의계산이 필요하여 온라인 방식에는 적합하지 않다. 본 논문에서는 집단 피드백 유전 알고리즘을 사용한 온라인 비선형 시스템 식별기 구성을 제안한다. 제안된 시스템 식별기의 유용성은 모의실험을 통해 보인다. Genetic algorithm is known to be an effective method to solve a global nonlinear optimization. However, a huge amount of calculation is needed to improve the dependability of the solution and thus Ga is not adequate for online implementation. In this paper, we propose an online nonlinear system identification scheme which employs population feedback genetic algorithm. The effectiveness of our scheme is shown by several simulations.

      • KCI등재

        논문 : 사상체질을 이용한 온라인 소셜 네트워크 사용자 유형화에 대한 탐색적 연구 -Facebook을 중심으로-

        이정연 ( Joung Youn Lee ),최은정 ( Eun Jung Choi ),최순정 ( Soon Jung Choi ) 디자인융복합학회 2012 디자인융복합연구 Vol.11 No.6

        국내인구의 18%정도가 페이스북을 사용하는 현재, 이에 따른 소셜 디바이드가 야기되고 있다. 어려운 인터페이스와 프라이버시, 개인정보침해 등의 다양한 문제로 인해 양극화현상이 보이고 있다. ‘관계 맺기(Social Interaction)’와 ‘자기 노출(Self-Disclosure)’이 주 사용목적인 페이스북은 사용자의 성격에 따른 사용행태의 연구가 5요인(Five Factor Model)을 중심으로 진행되고 있다. 이 연구는 외국의 성격요인 방법론에서 벗어나 외국의 성격요인보다 재현성이 좋은 한국적 사상인 사상체질을 중심으로 한국 페이스북 사용자(N=102)의 이용행태를 분석하였다. 5요인의 신경증과 외향성이 사상체질의 구분과 유의미함을 문헌연구 고찰을 통해 분류함으로써, 사상체질 구분법 QSCCII 설문지를 이용하여 한국 페이스북 사용자(N=102)를 실험하였으며 실험 결과 다음과 같은 결론을 얻었다. 먼저 소음인은 다른 체질에 비해 페이스북 사용시간과 빈도가 높았으며, 본인의 감정표현 등, 자기 노출을 위해 페이스북의 사용동기를 찾을 수 있었다. 또한 개인정보 기록에 정확도를 기하는 형태도 찾아볼 수 있었다. 이 연구는 사상체질 론을 토대로 둔 첫 번째 한국적 OSN 사용자 행태연구로 탐사적인 한계를 가질 수밖에 없지만 사상체질을 디자인 분야에 방법론적으로 접근함으로써 인터페이스 디자인 시 필요한 사용자 유형화 방법에 대한 새로운 방향성을 제시할 수 있으리라 사료된다. This research seeks to adopt and implement SASANG Typology to categorize usage of OSNs by a user`s physiological type. An online survey (N=102) was conducted on a Facebook page and to identify Facebook users` Sasang Typology, QSCC II was distributed and results were collected through email. From the critical literature review, three hypotheses were established, and after a survey the following conclusions were drawn.1. So-Eum (SE), in comparison to its counterpart So-Yang (SY) who possesses more emotional stability, had less of Facebook usage time and frequency. 2. The introverted So-Eum (SE) with high neuroticism placed more meaning on expression of oneself in their usage of the Facebook. 3. The introverted So-Eum with high neuroticism documented their personal information with higher accuracy. This research focused on analyzing OSN usage patterns as seen through user`s personality factors. This research was the first attempt in Korea to explore Sasang typology and OSN users` typology, thus had its innate research limits. Yet, nonetheless, it sheds light into the untapped area of researching a design as seen through OSN user`s typology.

      • SCOPUSKCI등재

        후천면역결핍증후군 환자에서 발생한 악성 매독

        이정연 ( Jung Yeon Lee ),김민수 ( Min Soo Kim ),이시현 ( See Hyun Lee ),김현수 ( Hyun Soo Kim ),안지영 ( Ji Young Ahn ),박미연 ( Mi Youn Park ) 대한피부과학회 2011 대한피부과학회지 Vol.49 No.1

        Malignant syphilis (also known as lues maligna) is a rare dermatologic manifestation of syphilis and this is more commonly seen in patients with human immunodeficiency virus (HIV) infection. A 40-year-old man presented with general malaise and widespread cutaneous noduloulcerative lesions covered with lamellar crusts for 15 days. He had been diagnosed with HIV infection 6 years earlier, but had not regularly taken antiretroviral drugs. The syphilis serology showed a VDRL (venereal disease research laboratory) titer of 1:256 and a positive TPPA (treponema pallidum particle agglutination test) at presentation. Histologic exam showed the dense perivascular inflammatory infiltrates composed of lymphocytes, histiocysts and neurophils with some plasma cells in the underlying upper and reticular dermis. Obliterated blood vessels with eosinophilic materials were observed as an unusual histologic feature of syphilis. Based on the clinical, histological and serological findings, a diagnosis of malignant syphilis accompanied by acquired immune deficiency syndrome (AIDS) was made. The patient was treated with intramuscular benzathine penicillin G at 2.4 million units per week for 3 weeks, and the skin lesions completely healed with post-inflammatory hyperpigmentation. It is necessary to take into account this entity among the possible diagnoses in HIV-infected patients with cutaneous noduloulcerative lesions. (Korean J Dermatol 2011;49(1):68~71)

      • KCI등재

        설득적 쓰기와 연계한 설득적 말하기 교육 방안 연구

        이정연 ( Jung Youn Lee ) 연세대학교 언어연구교육원 한국어학당 2015 외국어로서의 한국어교육 Vol.43 No.-

        This paper seeks to find ways to effectively improve the abilities of persuasive speaking, which is a crucial skill in giving university level presentations for learners of Korean for academic purpose (KAP). Currently, there are only few studies done on the utilization of writing skills in order to specifically improve speaking skills. Therefore, this paper suggests persuasive speaking lessons be preceded by improving persuasive writing skills, for they both lie in the same domains of expression. First of all, lesson models were selected from precedent researches that provide the theoretical backgrounds needed. The selection was made based on the research findings of argumentation structure, scheme, and marker that are suitable for lessons in persuasive speaking. Persuasive writing model was then proposed using argumentation scheme and marker being added to the selected argumentation structure to maximize their practicality in real classrooms. Furthermore, persuasive speaking model was proposed through modifying the debate model of ACTFL OPI to meet the needs of each individual learner. Finally, a model lesson plan that successfully collaborates both models was proposed.

      • SCOPUSKCI등재

        수형자의 문신에 대한 임상적 고찰

        이정연 ( Jung Yeon Lee ),정혜정 ( Hye Jung Jung ),김민수 ( Min Soo Kim ),최연진 ( Yeon Jin Choi ),이두락 ( Doo Rak Lee ),안지영 ( Ji Young Ahn ),박미연 ( Mi Youn Park ) 대한피부과학회 2011 대한피부과학회지 Vol.49 No.5

        Background: Little is known about the characteristics of tattoos on prisoners. Objective: Our purpose was to investigate the clinical characteristics of tattooed prisoners and compare them with other previously reported data. Methods: Between November 2006 and August 2010, we selected 98 tattooed men in a correctional institution in Seoul and investigated their personal and clinical information, including the average age of their first tattoo, sites of tattoos, contents of tattoos, motivations for getting tattooed, removal of tattoos, and occurrences of medical complications, etc. Results: The most common educational level was the high school graduated group (39.8%). Most tattooed prisoners had a religion (83.7%). Thirty-three of the men (33.7%) had self-injuries. The average age of their first tattoo was 18.5 years, and the average number of tattoos was 2.7. Fifty-three of the tattooed prisoners (54.1%) were first-time offenders. There was a correlation between the number of tattoos and the rate of recidivism. Left arm was the most common site of tattoos (23.6%). Most of the tattoos were performed by others, especially friends (56.1%). Half of the prisoners received their tattoos in society. The most common tattoo material was Chinese ink (41.8%), and the most common motivation for getting tattoos was curiosity (48.0%). Among the various contents of the tattoos, letters were the most frequent (28.1%). Complications were observed in 16 cases (16.3%); hypertrophic scar, keloid, local skin infections, and allergic reactions such as itching. Most of the tattooed prisoners had regrets (80.6%) and requested tattoo removal. Embarrassment was the most common motivation for tattoo removal (35.4%). Removal of tattoos was attempted in 37 cases (37.8%). Conclusion: Most of the study results are compatible with those of previous studies. However, education level, religion, and contents of tattoos were slightly different. Further, we obtained new information regarding motivation for tattoo removal, correlation between the number of tattoos and number of crimes, and the attitudes toward their tattoos. We hope the obtained results will be helpful for understanding people with tattoos tattoo in a correctional institution. (Korean J Dermatol 2011;49(5):398∼407)

      • KCI등재

        외국인 유학생 시험 답안 쓰기 교육의 효과 연구 -설명형 시험 답안을 중심으로-

        이정연 ( Lee Jung-youn ) 연세대학교 언어연구교육원 한국어학당 2019 외국어로서의 한국어교육 Vol.52 No.-

        The objective of this study is to design an education plan about writing exam answers in order to improve the capabilities of international students in writing exam answers, and verify this through an experiment. Accordingly, this study proposed an education plan to write exam answers based on the results of previous studies, and aimed to verify the plan through an experiment. The experiment was conducted on 19 learners of the Korean language for academic purposes at a university. The learners received education about writing exam answers after the midterm exam, and then took the final exam. The questions on comparison and contrast were selected for the experiment among descriptive questions that require long answers. The answers were scored by two lecturers with at least 10 years of experience in Korean language education according to the evaluation criteria selected by this study, and a statistical analysis was conducted on the results. Aside from the statistical analysis, a survey was also conducted on the learners to verify the effects of the lecture on how to write exam answers. The analysis showed significant results in all of the contents, composition and expressions of the exam answers given by the learners in the final exam. In the survey, the learners also responded that the lecture on how to write exam answers helped them greatly in terms of composition and expression. (Ewha Womans University)

      • Gibbs Effect를 이용한 시초가 매매System에 대한 설계 및 구현

        이정연 ( Jung-youn Lee ),황선명 ( Sun-myung Hwang ) 한국정보처리학회 2014 한국정보처리학회 학술대회논문집 Vol.21 No.1

        급격한 가격변동에 대한 다양한 속성을 갖는 주가 기대치가 상이하여 기대치 가격을 중심으로 주가가 오르고 내리는 현상이 항상 발생한다. 이 현상은 Gibbs Effect와 매우 흡사한 성격을 갖고 있다. 장이 시작할때와 끝날때의 변동성을 수학적으로 모델링하고 이를 기반으로 한 거래기법을 연구 할 필요성을 갖게되어 시스템구현을 통해 매매기법을 분석하게 되었다

      • KCI등재

        교사 피드백이 외국인 유학생의 쓰기 능력과 쓰기 효능감에 미치는 영향 연구

        이정연 ( Lee Jung-youn ) 연세대학교 언어연구교육원 한국어학당 2021 외국어로서의 한국어교육 Vol.60 No.-

        This study aims to determine the effect of teacher feedback on international students’ Korean writing skills and self-efficacy. In particular, after providing specific and positive writing feedback to students, an experiment was conducted with the purpose of verifying whether the students’ writing skills and self-efficacy improved or changed. The 10-week experiment was carried out for 10 international students enrolled in Level 4 at a university-affiliated Korean language education institution in the fall semester of 2020. Before the midterm exam, to begin with, error correction-oriented feedback was given to the students, and after the exam, positive and negative feedback were provided at the same time in terms of content, composition, and expression as well as error correction. To examine the degree of changes in writing self-efficacy, their writing self-efficacy was measured using a writing self-efficacy scale, A Model of Writing Self-Efficacy (Roger et al., 2013) before and after the midterm test. As a result of the experiment, the students improved their writing in the final exams compared to the midterms, which were found to be statistically significant in terms of ‘Ideation’ and ‘Self-regulation’ among the categories of writing selfefficacy. In the post interview, the learners responded that they could grasp the strengths and weaknesses of their writings with specific and positive feedback from the teacher, so they could write more easily when writing later, and that they could gain confidence in writing. (Ewha Womans University)

      • SCOPUSKCI등재

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