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A Qualitative Study on the Period-Specific Changes of Job Factors and Performance Features in Academic Libraries (질적 분석을 통한 대학도서관 업무의 시대별 수행 형태 및 요소 변화에 관한 연구)

  • Cho, Chul-Hyun;Noh, Dong-Jo
    • Journal of the Korean Society for information Management
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    • v.32 no.4
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    • pp.137-165
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    • 2015
  • This study aimed to investigate the period-specific changes (Library 1.0, Library 2.0, Library 3.0 Period) of job factors and performance features in academic libraries. For this, the study categorized an academic library's job into five dimensions: 1) library administration 2) collection development and management 3) information organization 4) information services and 5) information system development and management, After the categorized library's job was defined in detail, the Delphi survey was conducted twice on librarians and professors of library and information science. The result showed that there were many changes in job factors and performance features in academic libraries towards the period of library 2.0 characterized by user participation, sharing and openness and into library 3.0 characterized by social network and semantic web. Library 3.0 is likely to bring about a significant change in user services with ever changing technological advances stemming from library 2.0, such as mobile services, RFID and NFC etc. The finding of the study suggest that library systems need to be continually upgraded in the period of library 3.0.

Effect of IT Education on On-Line Social Relationship of Older Adults (정보화 교육이 노인의 온라인 사회관계에 미치는 영향)

  • Yoon, Hyunsook;Lee, Othelia;Beum, Kyoungah;Gim, Yeongja
    • The Journal of the Korea Contents Association
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    • v.15 no.5
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    • pp.283-294
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    • 2015
  • The study examines the effect of IT education on on-line social relationship of older adults. The study group composed of 114 older adults who received IT education (computer class, internet class, and smart-phone class) at two community welfare centers in Seoul. In order to compare the effect of IT education of the study group, the control group who did not receive any IT education was recruited (N = 30). Social Capital Scale was used to measure on-line social relationship. The on-line social relationship was composed of social bonding type and social bridging type. Results showed that the study group significantly higher scores than did the control group on three subscales (emotional support, access to scare or limited resources, and out-group antagonism) of social bonding type except one subscale (ability to mobilize solidarity). With regard to social bridging type of social relationship, the study group significantly higher scores that did the control group on all four subscales (outward looking, contact with a broad rage of people, a view of oneself as part of a broader group, and diffuse reciprocity with a broader community). The findings highlight the importance of IT education for older adults to expand and increase social bonding and social bridging of social relationship.

A Method for Detecting Event-Location based on Similar Keyword Extraction in Tweet Text (트윗 텍스트의 유사 키워드 추출을 통한 이벤트 지역 탐지 기법)

  • Yim, Junyeob;Ha, Hyunsoo;Hwang, Byung-Yeon
    • Spatial Information Research
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    • v.23 no.5
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    • pp.1-7
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    • 2015
  • Twitter has the fast propagation and diffusion of information compare to other SNS. Therefore, many researches about detecting real-time event using twitter are progressing. Twitter real-time event detecting system assumes every twitter user as a sensor and analyzes their written tweet in order to detect the event. Researches that are related to this twitter have already obtained good results but confronted the limits because of some problems. Especially, many existing researches are using the method that can trace an event location by using GPS coordinate. However, it can be suggested a definite limitation through the present user's skeptical responses about making personal location information public. Therefore, this paper suggests the method that traces the location information in tweet contents text without using the provided location information from twitter. Associated words were grouped by using the keyword that extracted in tweet contents text. The place that the events have occurred and whether the events have surely occurred are detected by this experiment using this algorithm. Furthermore, this experiment demonstrated the necessity of the suggested methods by showing faster detection compare to the other existing media.

Student-, School-, and ICT-Factors Predicting Computer-based Collaborative Problem Solving: Focusing on Analyses of Multi-level Models (컴퓨터 기반의 협력적 문제해결력 성취를 예측하는 학생과 학교 및 ICT 요인 : 다층모형 분석을 중심으로)

  • Lim, Hyo Jin;Lee, Soon Young
    • Journal of The Korean Association of Information Education
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    • v.22 no.4
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    • pp.457-471
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    • 2018
  • This study examined student- and school-level background and ICT factors that affected PISA 2015 Collaborative Problem Solving (CPS) for Korean students (4863 students from 142 high schools). A two-level hierarchical linear model (HLM) was analyzed from the basic model (model 1) with no predictors to the final model (model 5) with all predictors. Results showed that first, gender, socioeconomic/cultural backgrounds, cooperation level positively predicted CPS scores while perceived unfairness of teacher negatively predicted the outcome. Second, the more frequently ICT was used for out-of-school learning purposes, the less frequently ICT was used for entertainment purposes, and the less frequently ICT was used in schools, the higher CPS scores were. Considering ICT autonomy and social interaction variables measured for the first time in PISA 2015, students who were more interested in ICT and more autonomous in using ICT devices achieved higher CPS scores. On the other hand, the more students considered ICT important as social interaction, the less they gained CPS scores. Third, in terms of school-level characteristics, the smaller the students behavior detrimental to learning, the higher the teachers perceived positive working environment, and the fewer the number of computers available per student, the higher CPS scores were. To facilitate computer-based collaborative problem-solving competence, it is important for students to have interest and autonomy in using ICT. In addition, the guidelines of ICT use and SW curriculum need to be established in order to increase the effectiveness of using ICT device in school.

Healthcare Research for Premature Ejaculation and Erectile Function Using Questionnaire of Smartphone SNS (스마트 폰 SNS의 설문을 통한 조루증 및 발기능에 관한 헬스케어 연구)

  • Yoon, Jung-Dae;Heo, Sung-Jin;Na, Chang-Ho;Kim, Sung-Hyun;Moon, Jong-Hoon
    • The Journal of the Korea institute of electronic communication sciences
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    • v.12 no.6
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    • pp.1197-1210
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    • 2017
  • This study aimed to compare premature ejaculation and erectile function according to penile characteristics. 99 adult men responded to a questionnaire on penile characteristics, premature ejaculation and erectile function. In the questionnaire survey, 69 questionnaires were analyzed except missing or incomplete answers. All collected data were analyzed by independent t test, Chi-square test using SPSS 22. Glans > penis type showed significant differences in subjective premature ejaculation and objective premature ejaculation compared to Glans ${\frac{._-}{.}$ penis type (p <.05). Men with subjective premature ejaculation showed significant differences in objective premature ejaculation, treatment intent, and satisfaction compared to men without subjective premature ejaculation (p <.05). Presence of objective premature ejaculation, presence of treatment intent, and marital status were significantly different in satisfaction (p <.05). In economic status, high was significantly different in confidence for erectile function compared to middle or low (p <.05). The results of this study suggest that the premature ejaculation and erectile function according to the penile characteristic may be different and may be used as a basis for the development of an intervention program for sexual rehabilitation of men with premature ejaculation and erectile dysfunction.

The Role of Motives, Flow, and Social Influence in Attitude and Purchase Intention to Emoticons (이모티콘 사용동기, 플로우, 사회적 영향력이 이모티콘 사용태도 및 구매의도에 미치는 영향)

  • Jung, Bo-Hee;Kim, Han-Ku
    • Management & Information Systems Review
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    • v.35 no.2
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    • pp.27-44
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    • 2016
  • In recent year, graphic emoticons in MIM(Mobile Instant Messenger) play an important role not as a valuable communication methods, but as main business model for MIM service providers. Although the graphic emoticons in MIM are regarded as a commercial product, there has been little systematic research reflecting consumers' perspectives. In order to fill this theoretical and practice gap, the study is designed to explore the structural relationships among emoticon use motives, attitude, and purchasing intention to emoticons in context of MIM. The results showed that emoticon use motives in MIM were composed of two main factors, perceived usefulness and perceived enjoyment. And we also verified that both perceived usefulness and perceived enjoyment positively impact flow in communication with using emoticons and social influence. Lastly, flow and social influence were positively related to attitude toward using emoticons and attitude also was related to purchase intention to emoticons in MIM, positively. However, flow and social influence did not have a positive influence on purchase intention to emoticons directly. The implications and limitations of this study are also discussed.

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Factors Influencing Photo Sharing Intention on Instagram based on Uses and Gratification Theory (이용과 충족이론에 기반한 인스타그램의 사진공유 의도에 영향을 미치는 요인)

  • Jeon, Joong-Won;Jung, Chul-Ho
    • Management & Information Systems Review
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    • v.39 no.1
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    • pp.1-13
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    • 2020
  • The purpose of this study is to empirically analyze the factors influencing user's intention to share photos in Instagram, a representative SNS whose main function is photo sharing. For this purpose, based on the results of reviewing related literature such as uses and gratification theory, the motivation factors for use that are expected to influence the formation of positive perception of Instagram users are derived. The results of empirical analysis of 251 Instagram users are as follows. First, the archive, self-expression, and social relations of Instagram have a positive effect on the usefulness. Second, Instagram's self-expression, social relationship and playfulness were found to have a positive effect on favorable attitude. Lastly, the user's perceived usefulness on Instagram has a positive effect on the favorable attitude, and both the usefulness and favorable attitude have a positive effect on the to photo sharing intention. Based on the results of this study, strategic implications were drawn to enable the spread of services through the positive recognition and the improvement of photo sharing intention of Instagram users.

Social Factors Affecting Internet Searches on Cyber Bullying in Korea and America Using Social Big Data and Google Search Trends (소셜 빅데이터와 Google 검색트렌드를 활용한 한국과 미국의 사이버불링 검색에 영향을 미치는 요인 분석)

  • Song, Tae-Min;Song, Juyoung;Cheon, Mi-Kyung
    • The Journal of Bigdata
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    • v.1 no.1
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    • pp.67-75
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    • 2016
  • The study analyzed big data extracted from Google and social media to identify factors related to searches on cyber bullying in Korea and America. Korea's cyber bullying analysis was conducted social big data collected from online news sites, blogs, $caf{\acute{e}}s$, social network services and message for between January 1, 2011 and March 31, 2013. Google search trends for the search words of stress, exercise, drinking, and cyber bullying were obtained for January 1, 2004 and December 22, 2013. The main results of this study were as follows: first, the significant factors stress were cyber bullying that Korea more than America. Secondly, a positive relationship was found between stress and drinking, exercise and cyber bullying both Korea and America. Thirdly, significant differences were found all path both Korea and America. The study shows that both adults and teenagers are influenced in Korea. We need to develop online application that if cyber bullying behavior was predicted can intervene in real time because these actual cyber bullying-related exposure to psychological and behavioral characteristic.

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The Study of Developing Korean SentiWordNet for Big Data Analytics : Focusing on Anger Emotion (빅데이터 분석을 위한 한국어 SentiWordNet 개발 방안 연구 : 분노 감정을 중심으로)

  • Choi, Sukjae;Kwon, Ohbyung
    • The Journal of Society for e-Business Studies
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    • v.19 no.4
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    • pp.1-19
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    • 2014
  • Efforts to identify user's recognition which exists in the big data are being conducted actively. They try to measure scores of people's view about products, movies and social issues by analyzing statements raised on Internet bulletin boards or SNS. So this study deals with the problem of determining how to find the emotional vocabulary and the degree of these values. The survey methods are using the results of previous studies for the basic emotional vocabulary and degree, and inferring from the dictionary's glosses for the extended emotional vocabulary. The results were found to have the 4 emotional words lists (vocabularies) as basic emotional list, extended 1 stratum 1 level list from basic vocabulary's glosses, extended 2 stratum 1 level list from glosses of non-emotional words, and extended 2 stratum 2 level list from glosses' glosses. And we obtained the emotional degrees by applying the weight of the sentences and the emphasis multiplier values on the basis of basic emotional list. Experimental results have been identified as AND and OR sentence having a weight of average degree of included words. And MULTIPLY sentence having 1.2 to 1.5 weight depending on the type of adverb. It is also assumed that NOT sentence having a certain degree by reducing and reversing the original word's emotional degree. It is also considered that emphasis multiplier values have 2 for 1 stratum and 3 for 2 stratum.

A Recognition and Application Plan of Placenta Chamber of King Sejong's Princes by Big Data Analytical Technique (빅데이터 분석기법을 통한 성주(星州) 세종대왕자태실(世宗大王子胎室)의 인식 및 활용방안)

  • Lim, Jin-Kang;Park, Ji-Hwan
    • Journal of the Korean Institute of Traditional Landscape Architecture
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    • v.36 no.1
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    • pp.78-88
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    • 2018
  • The purpose of this study is to establish a utilization plan according to the cultural value of Placenta Chamber of King Sejong's Princes. We used SNS to analyze various public perceptions and opinions, collected data and analyzed it. The collection period is from June 01, 2007 to June 30, 2017 (for about 10 years), We gathered data from blogs, cafes, and Knowledge IN that contain keywords related to 'Placenta Chamber', 'Placenta Chamber of Seongju', 'Placenta Chamber of King Sejong's Princes'. and Analyzed using the text mining method of the big date program. Based on the main results of the big data analysis, Placenta Chamber's method of utilization was derived. As a result, major keywords such as King Sejong Great, Prince, Sungju, Feng Shui, culture, preservation, blessing etc were derived. The association of 'world', 'heritage', 'cultural heritage' is high, and the connection of 'Placenta Chamber', 'Gyeongsangbuk-do', 'cultural property' is high, and it was able to confirm the value of Placenta Chamber as a world cultural heritage. and It is necessary to induce visitors to feel stimulation or change of surroundings through facility refurbishment and environmental improvement around Placenta Chamber.