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An SLA-oriented Multiparty Trust Negotiation Model based on HCPN in Cloud Environment
Chunzhi Wang,Qiuxia Chen,Hongwei Chen,Hui Xu 보안공학연구지원센터 2015 International Journal of u- and e- Service, Scienc Vol.8 No.7
The negotiation on Service Level Agreement (SLA) in current complex cloud environment often involves the multilateral negotiation. Therefore, this paper presents an SLA-oriented multiparty trust negotiation model based on Hierarchical Colored Petri Net (HCPN) in cloud environment. This model mainly provides trust negotiation of SLA parameters such as credibility, reliability, availability and service price so on for Cloud Service Providers (CSPs) and Cloud Service Consumers (CSCs), thus making complex process description of multiparty trust negotiation on SLA in cloud environment simple and efficient. On the basis of the HCPN model on SLA, this paper puts forward a multi-objective optimization algorithm for SLA trust negotiation. Simulation results show that the algorithm not only improves efficiency of multilateral negotiation, but also avoids QoS negotiation falling into local optimization.
Oligonucleotide assisted light-emitting Alq3 microrods: energy transfer effect with fluorescent dyes
Cui, Chunzhi,Park, Dong Hyuk,Kim, Jeongyong,Joo, Jinsoo,Ahn, Dong June The Royal Society of Chemistry 2013 Chemical communications Vol.49 No.47
<P>Oligonucleotide assisted tri(8-hydroxyquinoline) aluminium (Alq3) microrods were prepared for the first time. When hybridized with oligonucleotide labeled by Cy3 fluorescent dye, a significant photoluminescence variation of the Alq3 microrods was observed due to Förster resonance energy transfer, unlike when Cy5-oligonucleotide was used. Versatile nucleotide manipulation would open up wider applications of Alq3-based materials, based on this fundamental observation.</P> <P>Graphic Abstract</P><P>Oligonucleotide assisted tri(8-hydroxyquinoline) aluminium (Alq3) microrods were prepared for the first time. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c3cc41255e'> </P>
Cui, Chunzhi,Kim, Seokho,Ahn, Dong June,Joo, Jinsoo,Lee, Gil Sun,Park, Dong Hyuk,Kim, Bo-Hyun Elsevier 2018 Synthetic metals Vol.236 No.-
<P><B>Abstract</B></P> <P>The colorimetric and fluorescent properties of polydiacetylene (PDA) have been assessed for chemosensors and ultrafast biosensor applications. The low quantum efficiency, however, has delayed the further development of PDA based practical devices. Here, we synthesized a hybrid nanostructure of PDA with Ag nanoparticles of core. A core-shell type Ag@PDA blue phase nanoparticles showed significantly enhanced Raman scattering, whereas it dramatically decreased after the thermal treatment inducing phase transition of PDA to red. On the other hand the Ag@PDA red phase nanoparticles showed an evidently increasing fluorescence accompanying with the shortened lifetime. These unusual reinforced optical properties is attributed to the core Ag nanoparticles providing the surface selection rule and the surface enhancement effects by the localized surface plasmon. Consequently, our result demonstrates the hybrid structure of PDA with metal nanoparticles to be an alternative to overcome the limit of PDA for high performance devices.</P> <P><B>Highlights</B></P> <P> <UL> <LI> A significantly enhanced Raman scattering was observed in a core-shell type Ag@ polydiacetylene (PDA) blue-phase nanoparticle (NP). </LI> <LI> The Raman scattering was decreased dramatically while the PDA shell of Ag@PDA NP undertook a phase transition to a fluorescent red phase. </LI> <LI> The fluorescence of PDA shell of the Ag@PDA red-phase NP was enhanced 7-fold in the intensity compared with the PDA red-phase NP. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
남한 · 북한 · 중국 조선족 수사법 교육 비교 연구 - 초·중학교 국어 교과서를 중심으로
오춘지 ( Wu Chunzhi ) 고려대학교 한국어문교육연구소 2023 한국어문교육 Vol.43 No.-
본 연구에서는 남한·북한·중국 조선족의 수사법 교육을 비교하여 향후 통일 국어 교과서 개발에 시사점을 얻고자 하였다. 2장에서는 세 곳의 수사법 개념, 구분, ‘수사법’을 ‘문학’과 ‘문법’ 영역에서 다루게 된 이유를 고찰하고, 3장에서 세 곳의 초·중학교 국어 교과서를 중심으로 수사법 교육을 살펴보았다. 2장의 분석 결과 세 곳의 ‘수사법’ 영역 제시에서 차이가 생긴 본질은, 남한은 ‘수사학’과 ‘문체론’이 다른 학문으로, 북한과 중국은 ‘문체론’이 수사학을 대체함으로써 발생한 것이며, 따라서 ‘수사법’의 구분과 교육적 의의에 차이가 발생하게 된 것이었다. 3장의 분석 결과 남한은 ‘문학’ 성취기준, 국어 교과서에서는 문학작품을 활용한 다양한 수사법 교육 활동으로 구성되어 있었다. 북한은 ‘문법’ 영역, 국어 교과서에서는 ‘읽기’ 단원의 학습활동과 ‘나도 할 수 있다’라는 독립된 단원의 학습활동 두 부분에서 수사법 교육이 제시되고 있었고, 중국 조선족의 경우 ‘읽기’와 ‘쓰기’ 영역에서 ‘수사법’ 교육을 성취기준으로 다루고 있었는데 ‘읽기’ 단원의 학습에서 수사법의 개념과 표현적 효과를, ‘쓰기’ 단원에서는 수사법을 활용한 쓰기 활동을 제시하고 있었다. 2장과 3장의 분석을 통하여 통일국어 교과서 개발에서 ‘수사법’의 교육 내용을 설계할 때 ‘수사법’은 문학영역으로 설정할 것, ‘수사법’의 교육 내용은 상호 보완적 관점을 취할 것, 세 곳의 공통 문학 텍스트를 활용한 수사법 교육 진행 등 세 측면에서 시사점을 제시하였다. This study compares the education of investigative language usage in South Korea, North Korea, and among the ethnic Koreans in China, in order to provide implications for the development of unified Korean language textbooks. Chapter 2 discusses the concept and classification of investigative language usage in literature and grammar, and Chapter 3 examines how investigative language usage is taught in primary and secondary school Korean language textbooks in the three regions. The analysis reveals differences in the presentation, classification, and educational significance of investigative language usage among the three regions. The study suggests that when designing educational content of investigative language usage for in unified Korean language textbooks, it should be set in the context of literature and a complementary perspective should be taken, utilizing common literary texts across the three regions.