• Title/Summary/Keyword: 중복 분석

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Detection of a Large White-Specific Duplication in D-loop Region of the Porcine MtDNA (돼지 mtDNA D-loop 지역의 Large White 특이 중복현상 탐지)

  • Kim, Jae-Hwan;Han, Sang-Hyun;Lee, Sung-Soo;Ko, Moon-Suk;Lee, Jung-Gyu;Jeon, Jin-Tae;Cho, In-Cheol
    • Journal of Life Science
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    • v.19 no.4
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    • pp.467-471
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    • 2009
  • The entire D-loop region of the porcine mitochondrial DNA (mtDNA) was amplified from six pig breeds (Landrace, Duroc, Large White, Korean native pig, Berkshire, and Hampshire) using a primer set designed on the basis of reported porcine mtDNA sequences. From analyses through cloning, DNA sequencing and multiple sequence alignment, an 11-bp (TAAAACACTTA) duplication was observed after known tandem repetition in the D-loop region, which promoted hetroplasmy in mtDNA. Although the existence of the 11-bp duplication has been previously reported in Duroc and Japanese native pigs, there have not been any attempts to know the characteristics of this duplication in other breeds so far. A 150 bp fragment containing the 11-duplication was amplified and typed by polyacrylamide gel electrophoresis (PAGE). All Large Whites had two duplication units and Duroc showed heteromorphic patterns, 11.2% (9/80) of the animals had the 11-bp duplication in total. On the other hand, Landrace, Berkshire, Hampshire and Korean native pigs were non-duplicated. This result showed that the 11-bp duplication could be used as a breed-specific DNA marker for distinguishing pure Landrace and Large White breeds.

The Co-Occurrence of Domestic Violence and Child Maltreatment : Perspective from Child Protection Services (아동학대와 가정폭력의 중복발생 연구 : 아동보호서비스의 관점)

  • Kim, Kihyun;Kim, Yong-Hoi;Kim, Kyung-Hee
    • Korean Journal of Social Welfare Studies
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    • v.49 no.4
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    • pp.221-249
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    • 2018
  • This study examined the co-occurrence of child maltreatment and domestic violence in South Korea, using the administrative data from Korean Child Protection Services. Existing literature showed that the co-occurrence rate was high and that the co-occurrence was important in prevention and intervention for child maltreatment. However, few studies have investigated the co-occurrence of child maltreament and domestic violence in South Korea. None of the studies have examined the co-occurrence from the perspective of child protective services. This study analyzed the rate of co-occurrence among abusive families involved with Korean Child Protective Services and examined the relationship between domestic violence and child maltreatment. Results showed that 21.4% of the abusive families had also experienced domestic violence. Various characteristics(i.e., detailed abuse characteristics, psychosocial characteristics of perpetrators) differed between co-occurrence families and maltreatment-only families. Domestic violence was a significant predictor of child maltreatment, but the detailed relationships differed according subtypes of maltreatment. Based on the results, implications for theory and service integration between services for domestic violence victims and child protective services were discussed.

Redundancy assessment of PIMS and PIPL by parsing (구문분석을 통한 PIMS와 PIPL의 중복성 평가)

  • Kim, So-Ra;Kim, Tae-Sung
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.26 no.3
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    • pp.745-756
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    • 2016
  • As infringement accidents of personal information have often occurred and estimates of damages are too large, the government introduces many certifications related with personal information management system for protecting personal information. Among them, PIMS and PIPL share many points in common, so many complaints about duplicate regulation have been suggested. This study evaluates the duplication of two certifications in order to examine redundancy between PIMS and PIPL both of which have been controversial.

Performance Analysis of Open Source Based Distributed Deduplication File System (오픈 소스 기반 데이터 분산 중복제거 파일 시스템의 성능 분석)

  • Jung, Sung-Ouk;Choi, Hoon
    • KIISE Transactions on Computing Practices
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    • v.20 no.12
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    • pp.623-631
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    • 2014
  • Comparison of two representative deduplication file systems, LessFS and SDFS, shows that Lessfs is better in execution time and CPU utilization while SDFS is better in storage usage (around 1/8 less than general file systems). In this paper, a new system is proposed where the advantages of SDFS and Lessfs are combined. The new system uses multiple DFEs and one DSE to maintain the integrity and consistency of the data. An evaluation study to compare between Single DFE and Dual DFE indicates that the Dual DFE was better than the Single DFE. The Dual DFE reduced the CPU usage and provided fast deduplication time. This reveals that proposed system can be used to solve the problem of an increase in large data storage and power consumption.

Citizens' Expectations from Government and Policy Attitude with Regard to Reducing Overlap and Duplicating among Government Programs -Does an Income Class Difference Matter?- (유사중복사업 통폐합 정책에 대한 기대효과와 태도 -소득계층 간의 차이를 중심으로-)

  • Lee, Jae-Wan
    • The Journal of the Korea Contents Association
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    • v.17 no.7
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    • pp.133-143
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    • 2017
  • The objective of this study is to examine whether citizens' expectations of policy impacts of the government's efforts to reduce overlap and duplication among its programs have any influence on citizens' policy attitude. Furthermore, this study examines whether the influence is differential and dependent on income class differences. The results suggest that 'reducing budget waste' bas a positive impact on policy attitude whereas 'enhancing work performance' bad no significant impact. And the results reveal that middle class bold a more negative view than upper class on the government's efforts. Concerning the moderating effect. income class differences weaken the positive relationship between 'reducing budget waste' and policy attitude as well the negative relationship between 'enhancing work performance' and policy attitude. The policy implication of this study is, to gain support from citizens for its overlap and duplication reduction policies, it is critical that the government should publicize that there exists a more of citizens benefitting from such policies.

Analysis for the Duplication of Achievement Standards between Science and Other Subjects in the 2009 Revised National Curriculum (2009개정 교육과정에서 과학과와 타교과의 성취기준 중복성에 대한 분석)

  • Park, Jae-Keun
    • Journal of Science Education
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    • v.38 no.2
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    • pp.231-243
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    • 2014
  • The purpose of this study was to compare the duplication problem of achievement standards between science and other subjects in the 2009 Revised National Curriculum and to search for solutions and implications for this problem. From the results of this study, we found that the achievement standards of practical arts, social studies, physical education and ethics were overlapped with science's ones. The duplication of content elements for 'our body and health', 'living things and environment', 'biodiversity' and 'natural disaster' categories was not high, that is, their achievement standards were relatively well-differentiated and reflected the intrinsic characteristic of each subject under common topics. But, in case of 'reproduction and development' and 'world of technology' categories, the problem of duplications was serious. In order to cope with this problem, we need to consider solutions such as merging or integrating the achievement standards of related subjects. The relevant experts should conduct in-depth discussion and negotiation, and develop achievement standards more consistent with the identity of each subject.

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Requirements Redundancy and Inconsistency Analysis for Use Case Modeling (유스케이스 모델링을 위한 요구사항 중복 및 불일치 분석)

  • 최진재;황선영
    • Journal of KIISE:Software and Applications
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    • v.31 no.7
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    • pp.869-882
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    • 2004
  • This paper proposes an effective method to create logically consistent and structured requirement model by applying consistency control approach of the formal method to the use-case modeling. This method integrates the multi-perspective scattered requirement segments that may overlap and conflict each other into a structured requirement model. The model structure can be analyzed based on context goal and concerned area overlap analysis. The model consistency can be achieved by using specification overlap-based consistency checking method as an integration vehicle. An experimental application to case study shows that the Proposed method can successfully identify requirement overlaps and inconsistency. It can also transfer multi-viewpoint requirement segments into a consistently integrated use-case model to clarify software behaviors and functionality This method helps users to enhance capability to identify specification inconsistency in the use-case modeling at the early stage of software engineering development. The proposed approach can also facilitate communication between users and developers to ensure customer satisfaction.

A Study on Competition among Three Game Platforms in aspect of User's Gratification in Multi-channel Era (다매체 시대의 게임 플랫폼 경쟁에 관한 연구: 이용자 만족 요인을 중심으로)

  • Kim, Yoo-Jin;Yu, Sae-Kyung
    • Korean journal of communication and information
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    • v.66
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    • pp.159-183
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    • 2014
  • This study analyzed the competition among three game platforms, PC, Console and Mobile in aspect of user's gratifications using niche analysis. To do this, four gratification factors, 'transportability and accessibility', 'liveliness and variety', 'availability and economic feasibility', 'relationship', were assessed. To investigate competition level among three game platforms, niche breadth, niche overlap, competitive superiority of four gratification factors were analyzed. The results of niche analysis show that mobile platform appeared as a most competitive platform because it utilized diverse resources for game user gratification and had competitive superiority in 'transportability and accessibility' which appeared as most important factor determining user's gratification. However there was no game platform which had competitive superiority in all four gratification factors.

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Encrypted Data Deduplication Using Key Issuing Server (키 발급 서버를 이용한 암호데이터 중복제거 기술)

  • Kim, Hyun-il;Park, Cheolhee;Hong, Dowon;Seo, Changho
    • Journal of KIISE
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    • v.43 no.2
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    • pp.143-151
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    • 2016
  • Data deduplication is an important technique for cloud storage savings. These techniques are especially important for encrypted data because data deduplication over plaintext is basically vulnerable for data confidentiality. We examined encrypted data deduplication with the aid of a key issuing server and compared Convergent Encryption with a technique created by M.Bellare et al. In addition, we implemented this technique over not only Dropbox but also an open cloud storage service, Openstack Swift. We measured the performance for this technique over Dropbox and Openstack Swift. According to our results, we verified that the encrypted data deduplication technique with the aid of a key issuing server is a feasible and versatile method.

A Replicated Data Consistency Mechanism based on write-through cache coherence protocol for TDX system (전전자 교환기 시스템에서 write-through 캐쉬 일관성 프로토콜을 이용한 중복 데이터 일관성 유지 방안)

  • 원병재
    • Proceedings of the Korea Society for Simulation Conference
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    • 1998.10a
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    • pp.161-165
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    • 1998
  • 다중 프로세서 구조로 실시간 분산 처리를 하는 전전자 교환기 시스템은 그 특성상 2개 이상의 프로세서에 동일한 값을 유지하는 중복 데이터의 사용이 필수적이다. 시스템의 자원 정보, 번호 번역 정보, 과금 정보 등이 중복 데이터로 사용된다. 이러한 중복 데이터에 대한 변경은 불일치 상태를 회피하기 위해 그 처리에 많은 비용과 제한이 따른다. 과도한 시그널 전송 및 로그 저장, 재전송 알고리즘은 데이터베이스 시스템의 성능을 저하시키고 때때로 순간적인 마비 상태까지도 유발할 수 있다. 본 논문에서는 기존 일관성 방안의 문제점을 분석하고 단일-버스 다중-프로세서 시스템에서 각각의 캐쉬들간의 일관성 유지를 위한 write-through 캐쉬 일관성 프로토콜을 사용하여 저 비용이며 효율적인 중복 데이터 일관성 유지 방안을 제시한다.

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