University College Dublin(UCD) has implemented the Output-Based Research Support Scheme(OBRSS) since 2016. Adapted from the Norwegian model, the OBRSS awards individual academic staff using a points system based on th...University College Dublin(UCD) has implemented the Output-Based Research Support Scheme(OBRSS) since 2016. Adapted from the Norwegian model, the OBRSS awards individual academic staff using a points system based on the number of publications and doctoral students. This article describes the design and implementation processes of the OBRSS, including the creation of the ranked publication list and points system and infrastructure requirements. Some results of the OBRSS will be presented, focusing on the coverage of publications reported in the OBRSS ranked publication list and Scopus, as well as information about spending patterns. Challenges such as the evaluation of the OBRSS in terms of fairness, transparency, and effectiveness will also be discussed.展开更多
Cryptography is an important technology for information security. It mainly includes symmetric and asymmetric cryptographic algorithms and protocols. For the symmetric cryptographic algorithms, it is easy to deduce de...Cryptography is an important technology for information security. It mainly includes symmetric and asymmetric cryptographic algorithms and protocols. For the symmetric cryptographic algorithms, it is easy to deduce decryption keys from the encryption keys and vice versa. Because this algorithm encrypts and decrypts data very quickly, it is applicable in situations where large numbers of data have to be protected. However, for the asymmetric algorithm, extracting the secret key from the public key is computationally infeasible. Although the performance speed of the asymmetric algorithm is much slower than that of the symmetric algorithm, the asymmetric algorithm has key distribution and management advantages over the symmetric one. Moreover, it is a perfect digital signature scheme.展开更多
The basic structure and cloud features of Typhoon Nida(2016) are simulated using a new microphysics scheme(Liuma) within the Weather Research and Forecasting(WRF) model. Typhoon characteristics simulated with the Lium...The basic structure and cloud features of Typhoon Nida(2016) are simulated using a new microphysics scheme(Liuma) within the Weather Research and Forecasting(WRF) model. Typhoon characteristics simulated with the Liuma microphysics scheme are compared with observations and those simulated with a commonly-used microphysics scheme(WSM6). Results show that using different microphysics schemes does not significantly alter the track of the typhoon but does significantly affect the intensity and the cloud structure of the typhoon. Results also show that the vertical distribution of cloud hydrometeors and the horizontal distribution of peripheral rainband are affected by the microphysics scheme. The mixing ratios of rain water and graupel correlate highly with the vertical velocity component and equivalent potential temperature at the typhoon eye-wall region. According to the simulation with WSM 6 scheme,it is likely that the very low typhoon central pressure results from the positive feedback between hydrometeors and typhoon intensity. As the ice-phase hydrometeors are mostly graupel in the Liuma microphysics scheme, further improvement in this aspect is required.展开更多
工作场所学习是服务全民终身学习的教育体系的重要组成部分。为了深入了解工作场所学习领域的国际研究现状,对当前已有相关文献进行系统梳理与分析,本研究选择Web of Science核心合集作为文献数据库来源,首先使用HistCite软件分析工作...工作场所学习是服务全民终身学习的教育体系的重要组成部分。为了深入了解工作场所学习领域的国际研究现状,对当前已有相关文献进行系统梳理与分析,本研究选择Web of Science核心合集作为文献数据库来源,首先使用HistCite软件分析工作场所学习领域国际研究文献的研究脉络,归纳出工作场所学习的两大脉络——工作场所学习的知识体系研究和工作场所学习在医学教育中的应用研究;其次使用基于R语言的Biblioshiny程序对该领域国际研究的现状进行描述,并分析了研究主题的演化;最后使用CiteSpace软件得到该领域国际研究的关键词时区图,并聚类出六个研究热点领域,即工作场所学习中的研究生医学教育、工作场所非正式学习、工作场所学习中的反思、工作场所学习相关的量表校验、工作场所学习中的学习环境、工作场所学习中的主观能动性,最终形成工作场所学习领域的研究全景图。展开更多
Social network analysis(SNA) has been introduced to China's Mainland since the end of last century. It is often stated that SNA research has experienced rapid growth in China over these years, but few studies have...Social network analysis(SNA) has been introduced to China's Mainland since the end of last century. It is often stated that SNA research has experienced rapid growth in China over these years, but few studies have been conducted to prove the statement. This paper aims at exploring the research status and development of SNA in China by a critical assessment of journal articles. Our findings show that SNA is an evolving and diversified research area which has rich themes and topics, and can be applied to those studies on different levels, context and disciplines, and attract researchers and scholars from various fields and domains. In addition, the information community(Library & Information Science and Information Systems) plays a leading role in the SNA related researches. The paper also points out the research on SNA in China has some limitations, so it proposes several implications for the future development of SNA research from perspectives of information science.展开更多
文摘University College Dublin(UCD) has implemented the Output-Based Research Support Scheme(OBRSS) since 2016. Adapted from the Norwegian model, the OBRSS awards individual academic staff using a points system based on the number of publications and doctoral students. This article describes the design and implementation processes of the OBRSS, including the creation of the ranked publication list and points system and infrastructure requirements. Some results of the OBRSS will be presented, focusing on the coverage of publications reported in the OBRSS ranked publication list and Scopus, as well as information about spending patterns. Challenges such as the evaluation of the OBRSS in terms of fairness, transparency, and effectiveness will also be discussed.
基金This work is funded by the National BasicResearch Program of China (973 Program) underGrant 2007CB311203.
文摘Cryptography is an important technology for information security. It mainly includes symmetric and asymmetric cryptographic algorithms and protocols. For the symmetric cryptographic algorithms, it is easy to deduce decryption keys from the encryption keys and vice versa. Because this algorithm encrypts and decrypts data very quickly, it is applicable in situations where large numbers of data have to be protected. However, for the asymmetric algorithm, extracting the secret key from the public key is computationally infeasible. Although the performance speed of the asymmetric algorithm is much slower than that of the symmetric algorithm, the asymmetric algorithm has key distribution and management advantages over the symmetric one. Moreover, it is a perfect digital signature scheme.
基金Ministry of Science and Technology of China(2017YFC1501406)National Key Research and Development Plan Program of China(2017YFA0604500)CMA Youth Founding Program(Q201706&NWPC-QNJJ-201702)
文摘The basic structure and cloud features of Typhoon Nida(2016) are simulated using a new microphysics scheme(Liuma) within the Weather Research and Forecasting(WRF) model. Typhoon characteristics simulated with the Liuma microphysics scheme are compared with observations and those simulated with a commonly-used microphysics scheme(WSM6). Results show that using different microphysics schemes does not significantly alter the track of the typhoon but does significantly affect the intensity and the cloud structure of the typhoon. Results also show that the vertical distribution of cloud hydrometeors and the horizontal distribution of peripheral rainband are affected by the microphysics scheme. The mixing ratios of rain water and graupel correlate highly with the vertical velocity component and equivalent potential temperature at the typhoon eye-wall region. According to the simulation with WSM 6 scheme,it is likely that the very low typhoon central pressure results from the positive feedback between hydrometeors and typhoon intensity. As the ice-phase hydrometeors are mostly graupel in the Liuma microphysics scheme, further improvement in this aspect is required.
文摘工作场所学习是服务全民终身学习的教育体系的重要组成部分。为了深入了解工作场所学习领域的国际研究现状,对当前已有相关文献进行系统梳理与分析,本研究选择Web of Science核心合集作为文献数据库来源,首先使用HistCite软件分析工作场所学习领域国际研究文献的研究脉络,归纳出工作场所学习的两大脉络——工作场所学习的知识体系研究和工作场所学习在医学教育中的应用研究;其次使用基于R语言的Biblioshiny程序对该领域国际研究的现状进行描述,并分析了研究主题的演化;最后使用CiteSpace软件得到该领域国际研究的关键词时区图,并聚类出六个研究热点领域,即工作场所学习中的研究生医学教育、工作场所非正式学习、工作场所学习中的反思、工作场所学习相关的量表校验、工作场所学习中的学习环境、工作场所学习中的主观能动性,最终形成工作场所学习领域的研究全景图。
基金jointly supported by the National Social Science Foundation in China(Grand No.10ATQ004)Ministry of Education,Humanities and Social Sciences Council in China(Grand No.09YJA870014)
文摘Social network analysis(SNA) has been introduced to China's Mainland since the end of last century. It is often stated that SNA research has experienced rapid growth in China over these years, but few studies have been conducted to prove the statement. This paper aims at exploring the research status and development of SNA in China by a critical assessment of journal articles. Our findings show that SNA is an evolving and diversified research area which has rich themes and topics, and can be applied to those studies on different levels, context and disciplines, and attract researchers and scholars from various fields and domains. In addition, the information community(Library & Information Science and Information Systems) plays a leading role in the SNA related researches. The paper also points out the research on SNA in China has some limitations, so it proposes several implications for the future development of SNA research from perspectives of information science.
