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      • KCI등재

        RFID 센서를 이용한 실내 기호공간에서의 위치추적

        강혜영,황정래,이기준 대한공간정보학회 2011 Spatial Information Research Vol.19 No.3

        최근 실내 공간 내에서의 위치 정보를 이용한 공간정보 서비스가 실외공간에서 제공되는 서비스만큼 공간정보시스템의 중요한 응용분야로 자리 잡고 있다. 실외 공간과 달리, 실내 공간의 위치 정보는 좌표기반이 아닌, 방 번호와 같은 기호를 기반으로 표현된다. 따라서 실내공간에서 이동객체의 위치를 추적하기 위해서는 이동객체의 현재 위치를 이용하여 좌표정보를 예측하는 것이 아니라, 기호적 추론이 필요하다. 이에 본 논문에서는 RFID센서를 이용하여 이동객체의 위치를 항상 명시적으로 결정할 수 있는 추적가능 실내 기호공간을 위한 프레임웍을 제안한다. 우선, 실내기호공간과 실내기호공간에서의 위치추적에 대한 개념을 소개하고, 추적 가능한 실내 기호공간을 위한 접근성 그래프를 정의한다. 둘째로, RFID 리더기의 배치방법, 추적 가능한 실내기호공간을 위한 접근성 그래프 생성방법과 이를 이용한 위치 추적방법을 제시한다. 마지막으로, 제시한 방법의 유효성을 보이기 위하여 실험결과를 보인다. Spatial information services in indoor space are an important application area of GIS as in outdoor space. Unlike in outdoor space, a position in indoor space is specified by a symbolic code such as room number, rather than coordinate. Therefore tracking in indoor space is no longer a prediction of coordinates but a symbolic estimation on the current position of a moving object. In this paper, we propose a framework for tracking moving objects in indoor symbolic space with RFID sensors. First, we introduce the concepts of indoor symbolic space and tracking in indoor symbolic space, and define the accessibility graph for trackable indoor symbolic space. Second, we propose a deployment method of RFID readers and a construction algorithm of accessibility graph for trackable indoor symbolic space. Third, a tracking method is proposed for moving objects in symbolic indoor space with RFID sensors. Finally, we present an implementation exmaple and the result of experiment with real data to validate the proposed method.

      • KCI등재

        즉각적 말하기와 쓰기 출력에 나타난 한국인 영어 학습자의 동사구와 명사구 오류분석

        강혜영,조상래,이용은 한국언어과학회 2015 언어과학 Vol.22 No.3

        The aim of this study is to investigate the types of verb and noun phrase errors that Korean EFL learners produce both in their spontaneous speech and in their written output. To this end, 20 participants―grouped into two proficiency levels, i.e., High Intermediate and Low Intermediate―were asked to orally describe as well as to provide written descriptions of two sets of paired pictures. They were also required to revise the transcribed version of their spontaneous speech. The results suggest as follows. (i) Subject-verb agreement errors in VP and determiner errors in NP accounted for the highest ratio in both speech and written outputs by both of the two proficiency groups. (ii) Self-revised data revealed that participants easily discovered verb agreement errors, while most of them failed to correct determiner errors. We conclude that the current errors reflect interlingual transfer to a greater extent than intralingual transfer.

      • KCI등재

        국내외 비식별화 현황 분석을 통한 개인정보 활용 정책 제언

        강혜영,권헌영 한국융합보안학회 2019 융합보안 논문지 Vol.19 No.1

        In the era of Internet of Things and Artificial Intelligence, it has become essential to digitize mass data, which lea ds ‘data-driven economy’. Digitalized personal data can be easily collected, stored, duplicated and analyzed. As ICT t echnology is evolving the concept of traditional personal data has changed. The United States, the European Union, Japan, Korea and many countries have introduced new concept of personal data into law such as de-identification, a nonymization, and pseudonymization to protect and utilize digitalized personal information. These concepts are disting uishable depending on countries. Therefore, this study will be done by researching and analyzing personal data relate d policies of several countries. Based on this study, this paper will suggest policy on di-identification to draw the ri ght balance between personal data protection and use, which contributes to the development of digital economy. 사물인터넷, 인공지능 시대에 데이터가 사회와 경제 전반의 핵심자원이 되어 ‘데이터 중심 경제’를 이끌어가고 있다. 대량 데이터의 디지털화는 필수적이 되었고, 더불어 디지털화된 개인정보가 쉽게 수집, 저장, 복제, 분석이 가능해졌다. 전통적인 개 인정보의 개념이 변화되고, 디지털화된 개인정보의 보호와 활용을 위해 미국, 유럽연합(EU), 일본, 우리나라 등 세계 각 국은 비식별화, 익명화, 가명화 개념과 규정을 신설하였다. 각 국의 비식별화 정책에서 이러한 개념들이 구분 혹은 혼용되고 있는데, 이러한 각 국의 정책 현황을 조사, 비교 및 분석하고자 한다. 이를 기반으로 우리나라 비식별화 정책 개선 방향을 모색하고, 빅데이터 시대에 개인정보의 보호와 활용의 균형적 조화를 이루어 디지털 경제에 발전에 기여 할 수 있는 정책 제언을 하고 자한다.

      • KCI등재후보

        The Effects of Nafamostat Mesilate on a Bleeding Risk as an Anticoagulant During Use as a Continuous Renal Replacement Therapy: Systematic Review

        강혜영,문수지,강영주 한국보건의료기술평가학회 2018 보건의료기술평가 Vol.6 No.2

        Objectives: In the past, the pharmaceutical drug heparin was mostly used as the anticoagulant for continuous renal replacement therapy (CRRT), but the duration time is long to have the risk of a bleeding adverse effect, and in that case the drug therapy Nafamostat mesilate was utilized instead, as it is more safe in this case, with a short half-life and is increasing in use to permit lower concerns for bleeding incidents. However, there are insufficient number of large-scale studies on the comparison of Nafamostat mesilate and heparin. Methods: In this study, a systematic review are used to compare the bleeding risk of Nafamostat mesilate and Heparin, as subjected to patients and procedures for measuring risks performed with a CRRT, and the filter life span is to be evaluated as well in this patients. Results: As a result of literature review search, a total of 6 studies were included in systematic review. The reducing risk of bleeding and filter life span was analyzed. The retrospective cohort studies confirm that Nafamostat mesilate is less at risk of bleeding than heparin. And a cohort study confirms that Nafamostat mesilate is longer filter lifespan than heparin and randomized controlled trial studies show that Nafamostat mesilate is longer filter lifespan than not using the anticoagulants. Conclusion: Nafamostat mesilate is considered to be a good therapeutic option because it has a longer filter life span as well as the advantage of reducing bleeding.

      • KCI등재

        조선후기 대중 서적수입정책 연구

        강혜영 한국도서관정보학회 1984 한국도서관정보학회지 Vol.11 No.-

        The study aims at book importation from China in the Latter Choson Period. It chiefly, achieved to concomitant with an envoy of a trimming policy. The pattern of book importations divided into public trade, private trade, Royal gift. Beyond the main stream of imports were Neo-Confucian books, a bibliographical study of Chineses classics books and Paegwan fictions (fictional narratives of oral natures compiled by local officials) including So-hag books that were at that time in the fashion were introduced into Korea. Like this, several pattern of book importation had an important effect upon closed Choson society.

      • KCI등재후보

        상담교재에 나타난 ‘정보제공’기법의 정의와 방법에 대한 고찰

        강혜영 대한공업교육학회 2014 대한공업교육학회지 Vol.39 No.2

        Information-giving is very important skill in career education and careercounseling. The purpose of this study was to analyse the definition and method ofinformation-giving as a important counseling skills in the counseling textbooks. Research questions were as follows: First, what is the definition ofinformation-giving? Second, what are the ways to give the information incounseling? 17 textbooks of counseling were reviewed. The following are the mainfindings. First, the definition of information-giving was summarized in two ways: ① themeaning of information ② the description of information-giving. The resultsrevealed the reason why the definition of information-giving is vague and it isdifficult to distinguish from other skills (ex: giving advice, providinginterpretation). Second, the main methods of information-giving can be summarized as follows:① motivation and timing of information-giving ② selection criteria ofinformation-giving ③ procedure of information-giving ④ considerations ofinformation-giving. Out of these methods, the textbooks do not provide muchreference on ‘selection criteria of information-giving and procedure ofinformation-giving. These findings revealed the necessity of empirical study on theinformation-giving skills. 본 연구에서는 진로교육과 진로상담 분야에서 중요한 상담기법의 하나로 제시되고 있는 정보제공기법의 정의와 방법에 대해 살펴봄으로써 정보제공기법을 보다 명확하게 이해하고, 향후 해결해야할 문제점에 대해 제시하여 진로분야 전문가 교육을 위한 기초자료를 제공하기 위한 목적으로 수행되었다. 이를 위하여 첫째, 정보제공기법이 어떻게 정의되고 있는가? 둘째, 정보제공기법에 대한 구체적인 방법은 어떻게 설명되어 있는가? 하는 연구문제를 설정하였다. 연구문제 해결을 위해서는 문헌연구방법을 활용하였는데, 상담개론서와 상담기법 교재, 총 17권을 분석대상으로 선정하였다. 주요 결과는 다음과 같다. 첫째, 상담개론서와 상담기법 교재에 나타난 정보제공기법의 정의는 크게 두 가지기준에서 분석해볼 수 있었는데, ‘정보’라는 의미를 어떻게 보고 있는가 하는 측면과정보제공기법을 기술하는 방식의 측면이었다. 그 결과, 상담교재에 나타난 정보제공기법의 정의는 일관되지 않았고, 어떤 교재에서는 광의의 의미로, 어떤 교재에서는 협의의 의미로 정의되고 있음을 알 수 있었다. 또한 정보제공기법을 기술할 때도 상담자의 행동에 초점을 두는 경우와 상담자의 의도에 초점을 두는 경우가 있음을 확인할수 있었다. 이러한 분석을 통해 정보제공기법이 일관되게 정의되지 못하고 다른 상담기법(예: 조언주기, 해석하기, 직접적 지시하기 등)들과 명확히 구분되기 어려운 이유를 알 수 있었다. 둘째, 상담개론서와 상담기법 교재에 나타난 정보제공기법의 구체적 방법을 살펴본 결과, ① 정보제공의 시점 ② 제공할 정보의 선택 기준 ③ 정보제공의 절차 ④ 기타 유의사항을 기준으로 분석해볼 수 있었다. 이 네 가지 가운데 ‘정보제공의 시점’과‘기타 유의사항’에 대한 내용은 분석대상 여러 문헌에서 찾을 수 있었으나 ‘제공할 정보의 선택 기준’, ‘정보제공의 절차’에 대한 내용은 일부 문헌에서 매우 간략한 내용만확인할 수 있었다. 이는 정보제공을 하는데 있어서 어떤 정보를 제공해주어야 하는지,어떤 절차에 따라 정보를 제공해주어야 하는지가 매우 핵심적인 내용임에도 불구하고이에 대한 체계적 지식이 부족하다는 것을 보여주는 것으로, 정보제공기법에 대한 경험적 연구의 필요성을 확인할 수 있었다. 특히, 논의부분에서는 간호학 분야에서 수행된 정보제공에 대한 경험적 연구들을 제시함으로써 상담분야 정보제공기법에 대한 경험적 연구에 주는 시사점에 대해 제언하였다.

      • KCI등재

        대학도서관의 목록이용행태의 일고찰

        강혜영 한국도서관정보학회 1982 한국도서관정보학회지 Vol.9 No.-

        A library catalog is most important finding tool to a library collection. This tool should be so designed as to enable users to handle with ease and convenience. Library catalog use study is necessary in order to identify the demands made on the catalog by its actual users and to measure the adequacy with which the catalog is meeting these demands. Many major catalog use surveys were performed by means of questionnaire and interview, but these methods are so difficult and perverse that the results of catalog use studies might often be far from scientific precision. The aim of this paper is to seek the guidelines with which one might assist the catalogers in providing an effective library catalog for their patrons. In order to get the first-hand information an actual survey was undertaken on searching behavior at the catalog of Jeonbug National University Library from November 30 to December 5, 1981 and from May 17 to May 22, 1982. The results of the survey can be summarized as follows: 1. Most of the students (79.77%) use the library. 2. Most of the library patrons (74.52%) use the public catalog as the searching tool to the library collection. 3. 67.85% of the catalog users are interested in searching materials written in Korean, Japanese, and Chinese. 4. 72.86% of the catalog users are interested in searching known items at catalog. 5. In known item searching, 49.44% of the catalog users choose title entry. 6. 20.17% of the catalog users are interested subject searching at the catalog. 7. Reference card is not utilized in searching. 8. For the translated items users want double entries in both vernacular and Korean. 9. At current catalog description, author, title, call number, translator, publisher and joint author are useful entry. Edition, author's date of birth and death, illustrative, size of book and bibliographical notes are not much utilized. 10. 55.39% of the catalog user need systematic guidance on how to use the library catalog and collection.

      • KCI등재

        일 도시 고등학생의 음주동기와 음주문제

        강혜영,신경은,장현지,나영화,조은희 韓國學校保健學會 2004 韓國學校保健學會誌 Vol.17 No.2

        Purpose : The purpose of this study was to investigate drinking motives and the drinking-related problems of Korean high school students at a city in Jeonbuk province. Methods : There were 657 students from two academic and two vocational high schools at J city in Jeonbuk province. The sample was collected using a stratified sampling method and the data was collected from June 30th to July 16th 2003. The study instrument used to examine drinking motive was a 20.item summated scale (Cronbach's α = .95) and for drinking-related problems was an 18 item summated scale (Cronbach's α = .91). The data was analyzed using SPSS/PC+ by percentage, χ2.test, t-test and correlations. Results : 1. Drinking experience: Among the high school students, 74.3% of them had drinking episodes. Female students started drinking later (χ2 = 12.857, p = .002) and had more drinking friends (χ2 = 7.785, p = .020) than males. Vocational school students drank more frequently (χ2 = 32.138, p = .001), had more heavy drinking episodes (χ2 = 40.370, p = .001). 2. Drinking motives & Drinking-related problems: The mean score of drinking motives was 31.2 ± 11.12 out of 80 and that of drinking-related problems was 21.8 ± 5.85 out of 72 points. Neither score were stronger was significantly different according to gender and grade. On the other hand, both drinking motives (t = .4.077, p = .001) and drinking-related problems (t = .3.423, p = .001) were stronger in vocational school students than in academic school students. The correlation between drinking-related characteristics and problems were weak (from r = .286 to r = .520) but the correlation within the subcategories of drinking motives was high such as between enhancement and coping (r = .822) and enhancement and social motives (r = .822). Conclusion : The majority of Korean high school students start to drink during their junior high school days. Drinking motives and drinking-related problems were not serious but the drinking motives and the drinking-related problems are stronger among vocational school students. As a result, school-based health education and counseling programs should focus on solving drinking motives than on drinking-related problems.

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