• Title/Summary/Keyword: Meta-data

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Meta Analysis on Digital Forensics Research Trends for Securing its Admissibility of Digital Evidence (디지털 증거능력 확보 강화를 위한 디지털 포렌식 연구동향 메타분석)

  • Ryu, Bora;Jeon, Minseo;Ji, Juyeon;Lee, Chanwoo;Chang, Hangbae
    • Convergence Security Journal
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    • v.17 no.2
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    • pp.23-32
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    • 2017
  • With the development of information and communication technology, various data including digital data have increased exponentially. In a society where such data utilization is generalized, criminal investigation processes and trial processes have also been influenced. However, in comparison with the progress of the technical capability and analytical capability of digital certification which is increasing exponentially, the establishment of the digital forensic related legal system is still in short supply. Therefore, it is necessary to activate balanced research for legal recognition of digital certification. Therefore, in this research, meta analysis was conducted to grasp trends of research related to digital forensics and to provide objective data for research revitalization.

A Comparative Study on Metadata Formats of Digital Contents (디지털콘텐츠 메타데이터 포맷의 비교 연구)

  • Cho, Yoon-Hee
    • Journal of the Korean Society for Library and Information Science
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    • v.37 no.2
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    • pp.135-152
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    • 2003
  • With the rapid growth of the Internet, digital contents have increased in a geometric progression and the types also became much varied. In order to make it easier to identify and search digital contents on the Internet, which is basically a distributed network environment, it is essential to organize and manage metadata. In this study, we have comparatively analyzed the data elements of the meta data formats currently approached from different aspects in diverse fields, so as to provide basic materials for securing interoperability of the meta data formats. We selected Dublin Core, Semantic Header, MARC, IAFA Templates, and TEI Header as the general metadata formats of digital contents used widely in all areas, and we carried out comparisons and analyses based on the literature.

A study of the alert decision model in sensor web enablement (SWE 에서 비상 판단 모델 연구)

  • Lee, Chang-yeol
    • Journal of the Society of Disaster Information
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    • v.5 no.2
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    • pp.76-85
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    • 2009
  • SWE(Sensor Web Enablement) is the standard platform of OGC for the sensor data service. SWE is only focusing in the data transmission protocols, but supporting the semantic decision. Sensor data service is the decision service of the status whether is on normal or not. In this study, we study the semantic decision model of the sensor data. It can support the context-aware service based on the decision information.

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Effectiveness of Telemonitoring Intervention in Children and Adolescents with Asthma: A Systematic Review and Meta-Analysis (천식 아동 및 청소년에서 원격모니터링 중재의 효과: 체계적 문헌고찰 및 메타분석)

  • Jung, Youjin;Kim, Jimin;Park, Dong Ah
    • Journal of Korean Academy of Nursing
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    • v.48 no.4
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    • pp.389-406
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    • 2018
  • Purpose: This review aimed to evaluate the effectiveness of telemonitoring (TM) in the management of children and adolescents with asthma. Methods: We searched Ovid-MEDLINE, Ovid-EMBASE, CENTRAL (Cochrane Central Register of Controlled Trials), CINAHL (Cumulative Index to Nursing and Allied Health Literature), and 5 domestic databases to identify randomized controlled trials (RCTs) published through December 2017. Two reviewers independently selected relevant studies, assessed methodological quality and extracted data. We performed a meta-analysis of TM versus usual care and summarized the intervention characteristics of included studies. Results: Of the 3,095 articles identified, 8 RCTs (9 articles) were included in this review. The type of TM intervention of included studies was varying across studies (transmitted data, transmission frequency, data review, etc.). The pooled asthma control score was not significantly different between TM and usual care (standardized mean difference 0.04, 95% confidence interval (CI) -0.20~0.28). Another pooled analysis demonstrated no statistically significant difference in asthma exacerbation between TM and usual care (odds ratio 0.95, 95% CI 0.43~2.09). Overall, the pooled results from these studies revealed that TM did not lead to clinically significant improvements in health outcomes, but some studies in our analysis suggested that TM increased patient medication adherence and intervention adherence. Conclusion: The current evidence base does not demonstrate any differences between TM intervention and usual care, but TM intervention might be considered a promising strategy for the delivery of self-management support for children and adolescents with asthma. Further well-designed studies are needed to assess the effects on clinical outcomes.

The Anti-hepatotoxic Effect of Ginseng in Rats: Meta-analysis

  • Kook, Se-Jeong;Han, Hye-Kyoung;Kim, Gun-Hee;Choi, Ki-Heon
    • Journal of the Korean Data and Information Science Society
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    • v.19 no.3
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    • pp.937-949
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    • 2008
  • The purpose of this meta-analysis was to investigate the anti-hepatotoxic effect of ginseng in rats induced with CC14 or TCDD, the toxicities that cause liver damages. Primary studies were collected from the ScienceDirect database, the DBpia, and the KISS. The data on the effect factors in plasma and in enzyme are listed as many as possible: The effect factors were alanine transaminase(ALT), aspartate transaminase(AST), liver aminopyrine N-demethylase(AD), liver aniline hydroxylase(AH), liver 3,4-Methylenedioxyamphetamine(liver MDA), cytochrome P450(P450), serum alkaline phosphatase(ALP), serum lactate dehydrogenase(LDH), cytochrome b5(Cyto b5), glutathione reductase (GR), Liver glutathione S-transferase(GST), liver glutamyltransferase (GT), Liver($\gamma$-GCS), serum liver 3,4-Methylenedioxyamphetamine(serum MDA), serum sorbitol dehydrogenase(SDH), serum total protein(TP), and serum $\gamma$-glutamyltransferase($\gamma$-GT). In order to investigate the effect of ginseng, the standard mean difference(HG) between the group of rats induced with toxicity(RH) and the group of rats induced with ginseng(RHG) were combined, and the significance of HGs were tested. The combined HGs checked the biases caused by heterogeneity among studies and the publication biases. Then they were adjusted by using the random effect model and trim and fill method. Although the publication biases were assumed, among all plasma factors the HGs of ALT, AST, serum MDA, SDH, TP, and $\gamma$-GT were significant, and among all enzyme factors the HGs of liver MDA, Cyto b5, GR, GST, and GT were significant. The treatment with ginseng significantly affected the plasma and enzyme levels in rats induced with toxicity.

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Development of a Data Structure for Human Library Services (휴먼 라이브러리 서비스를 위한 데이터 구조 개발)

  • Han, Seunghee;Lee, Hyewon
    • The Journal of the Korea Contents Association
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    • v.18 no.9
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    • pp.569-583
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    • 2018
  • In this study, we suggested a data structure for the management of human libraries based on the analysis of the significant components for systematically managing and operating the human library service. At first, we proposed the components of human library metadata set which are 'Human Resource', 'Human Resource', 'Librarian', 'Volunteer', and 'User'. And this study verified the meta concepts of metadata set such as 'Human Library', 'Human Book' and 'User', developed the metadata set for human library using the meta concepts. To check the validity of the metadata set and to improve its usability, we created and published a XML document including the metadata structure and link between the meta concepts. In conclusion, this study provided the possibility that the library could develop the service recommended human book to user through user profile.

Meta-data Configuration and Wellness Feature Analysis Technique for Wellness Content Recommendation (웰니스 콘텐츠 추천을 위한 메타데이터 구성 및 웰니스 특성 분석 기법)

  • Hong, Min-Sung;Lee, O-Joun;Lee, Won-Jin;Lee, Jae-Dong
    • Journal of the Korea Society of Computer and Information
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    • v.19 no.8
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    • pp.83-93
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    • 2014
  • Research into recommendation systems for wellness content has focused on representative research on the convergence of wellness and information technology, as interest in wellness has recently increased. But existing research is not suitable because it uses only one or two of the five wellness areas: physical, emotional, social, intellectual, and spiritual. And It cause decline of reliability and satisfaction for recommendation. Thus, a wellness areal feature analysis and integration management technique is needed. In this paper, suggest meta-data configuration and feature analysis technique of content. Also Cosine similarity of wellness areal features of the content was analyzed by applying a wellness areal score calculated in this way and by suggested wellness areal detailed properties and a measurement system to verify the efficiency of this research. This allows the wellness features of contents analyzed, and even will be able to personalized recommendations service for wellness.

A Study on the Management and Services of Web Resources in Policy Research Institutes (정책연구기관의 웹자원 관리와 서비스 제공 방안에 관한 연구)

  • Lee, Myeong-Hee
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.27 no.2
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    • pp.171-191
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    • 2016
  • This research was examined to evaluate whether the websites of 6 policy research institutes provide web resources which were collected and provided as information resources, and that they were sure that the web resources had value as policy information by content analysis method. Web resources provided as policy information in policy research institutes were classified into and evaluated by 4 categories. Evaluation had been conducted on 10 items in the 4 categories of content, design, accessibility and meta data. From the result, the information content have been found to be reliable and up-to-date although more thorough description is required. Navigation and the search function in the design category were found to be excellent, but dead links were present in all of the institutions. The accessibility was proven to be great as it was able to access information with only three clicks. However, it has been found that a comprehensive review of the meta data is required in order to improve the accuracy of search functions. In conclusion, improvements to the dead link problems, quality control of the meta data, systematic and professional management plan of policy research information, and the establishment of a comprehensive policy research information portal system have been proposed.

A Study on PubMed meta-data aggregator and dynamic RSS channel generator development (PubMed 메타데이터 수집기 및 동적 RSS 채널 생성기 개발 연구)

  • Kim, sun-tae;Kim, jay-hoon;Han, hee-jun;Hyeon, Mi-Hwan;Lee, Tae-Seok;Yae, yong-hee;Yeo, Il-Yeon;Yun, Hui-Jun
    • Proceedings of the Korea Contents Association Conference
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    • 2008.05a
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    • pp.832-835
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    • 2008
  • PubMed stands alone among database related to biomedical literature. On this thesis, PubMed meta-data at some point is collected and built. The service model which serve the dynamic RSS channel, one of the core services in an web2.0 era, is designed and developed. E-Utilities service(API) served by PubMed are analyzed. The meta-data aggregator and builder are developed. Also the dynamic RSS channel generator is developed and the method how it could be used in the RSS reader is suggested.

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Load Balancing Method for Query Processing Based on Cache Management in the Grid Database (그리드 데이터베이스에서 질의 처리를 위한 캐쉬 관리 기반의 부하분산 기법)

  • Shin, Soong-Sun;Back, Sung-Ha;Eo, Sang-Hun;Lee, Dong-Wook;Kim, Gyoung-Bae;Chung, Weon-Il;Bae, Hae-Young
    • Journal of Korea Multimedia Society
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    • v.11 no.7
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    • pp.914-927
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    • 2008
  • Grid database management systems are used for large data processing, high availability and data integration in grid computing. Furthermore the grid database management systems are in the use of manipulating the queries that are sent to distributed nodes for efficient query processing. However, when the query processing is concentrated in a random node, it will be occurred with imbalance workload and decreased query processing. In this paper we propose a load balancing method for query processing based on cache Management in grid databases. This proposed method focuses on managing a cache in nodes by cache manager. The cache manager connects a node to area group and then the cache manager maintains a cached meta information in node. A node is used for caching the efficient meta information which is propagated to other node using cache manager. The workload of node is distributed by using caching meta information of node. This paper shows that there is an obvious improvement compared with existing methods, through adopting the proposed algorithm.

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