Academic social bookmarking: An empirical analysis of Connotea users

Three groups of social bookmarking users, namely experienced users, users with moderate level of experience, and novice users, were investigated, in terms of their reported tagging behaviors, perceived usefulness of social bookmarking in information discovery and management, and perceived usefulness of the bookmarking features provided. Based on the empirical analysis of the Connotea users, who are primarily in academia, the study shows that experienced academic users generally prefer to use social bookmarking while moderately experienced and novice users still prefer to use the traditional bookmarking methods, such as creating and using bookmarks on a dedicated computer. Experienced academic users were also found to create more tags per bookmark comparing to the other two groups. Most novice academic users, however, only created one tag per bookmark, which just met Connotea's minimum requirement. Surprisingly different from the collaborative design nature of the social bookmarking systems, the study finds that our participants, particularly experienced academic users, prefer to create and use their own bookmarks rather than sharing bookmarks created by others. In fact, experienced users have significantly higher frequency (once every two weeks) of creating bookmarks than the other two groups (once a month or less). In addition, website design features and functions, such as automatic collection of bibliographic information, are regarded by all participants as helpful for information discovery. The in-depth examination and discussion of the opinions of Connotea users may be useful for further improvement of the design features and usage applications, particularly for academic social bookmarking websites. The results may also have potential implications to the future development of social bookmarking services in general.     

学术图书开放获取与美国大学图书馆出版服务

数字出版与开放获取(Open Access,OA)运动促使大学图书馆开始探索出版服务。继学术期刊OA出版之后,学术图书OA出版也成为出版领域的重要趋向。文章分析学术出版危机与期刊OA模式的成功对学术图书OA出版的影响,学术图书OA出版的现实意义与面临的挑战,介绍美国大学图书馆的学术图书OA出版服务,最后提出我国大学图书馆开展此项服务的建议。     

图书馆空间:布局及利用

该文主要讨论了四个方面的问题:图书馆空间定义;图书馆建筑及外部空间;图书馆内部空间及布局设计;如何更好地利用图书馆空间。最后给出结论:数字化时代更要重视图书馆空间管理,合理布局公用空间、学习空间、研究空间、服务空间、社交需求空间以及计算机实验室、教室等,满足各方面的需要,应经常进行图书馆空间布局调整的创新,使图书馆更好地成为读者阅读和馆员服务的良好场所。     

从1992～1993年我国心理学研究动态看我国运动心理学研究的现状与发展

以《心理学报》、《心理科学》和《体育科学》三种权威性学术刊物１９９２年和１９９３年发表的论文为基础，对我国心理学和运动心理学的研究进行了分析，并探讨了运动心理学的发展方向，指出，中国运动心理学致力于为教练员、运动员的训练竞赛的决实际问题．其大方向适应了社会的要求，且硕果累累．当前运动心理学研究存在的问题是：选材研究的指导意义不强，研究课题的理论指导性差，心理测试仪器的研制落后于运动心理学实践的需要，研究方法尚未充分体现出心理科学研究的时代特征．建议应加强研究信息的搜集和整理，避免无意义的重复研究；加强理论研究，提高应用水平；提高研究人员自身的理论素质；加强多学科的协作．提高研究方法的水平；增加实验研究，建立运动心理学的理论体系．     

高校女教师参加体育锻炼现状的调查与分析

运用问卷调查法,对高校女教师从事体育锻炼的现状进行调查与分析。结果表明高校女教师参加体育锻炼动机是明确的,但由于家务、教学科研工作等因素使体育锻炼受一定影响。     

加强图书馆应用软件建设

从我国图书馆自动化建设重硬轻软、软硬件脱节的现状谈起,强调要注重图书馆应用,加强软件建设,论文中与先进图书馆的软件作了简单对比,以证明国内图书馆软件应用落后的事实。并得出结论,加强图书馆现代化建设要软件、硬件并重,更应加强软件建设。     

孙子兵法与排球比赛临场指挥之关系

<孙子兵法>是一部传统谋略著作,现被广泛用于军事、外交、商业、体育竞技等领域.笔者认为<孙子兵法>中的作战谋略思想对排球比赛的临场指挥同样适用,具有重要的借鉴价值.表现为赛前的"庙算"思想;赛中的"随机应变"思?关键时刻的"奇正"思想;用人的"视卒如婴"思想等.     

试论体育教学与运动训练实践的结合

在体育课教学与运动队训练的实践过程中 ,把教学与运动训练有机地结合起来 ,在传授掌握基本知识、技术与技能的同时 ,培养并挖掘大学生在体育锻炼方面的兴趣与潜力 ,以提高大学生的体育意识 ,满足不同的体育需求。这不仅有利于改进和指导体育课教学 ,而且保证了运动队的训练。同时 ,也促进了全民健身运动的广泛开展 ,对推动课外体育活动 ,丰富校园文化生活有着积极意义。     

实验动物饲料生产的质量控制

目的:实验动物饲料生产质量控制值得重视.方法:可通过饲料配方、原料、饲料加工、成品饲料的烘干和贮存、成品饲料的灭菌、成品饲料的检验等进行饲料生产质量控制.结果:只有严格执行实验动物饲料营养标准,层层把关,才能保证实验动物饲料质量.结论:严格控制饲料生产过程才能保证实验动物饲料的质量.     

Stochastic stability analysis of piecewise homogeneous Markovian jump neural networks with mixed time-delays

In this paper, the problem of stochastic stability analysis is considered for piecewise homogeneous Markovian jump neural networks with both discrete and distributed delays by use of linear matrix inequality (LMI) method. Based on a Lyapunov functional that accounts for the mixed time-delays, a delay-dependent stability condition is given, which is formulated by LMIs and thus can be easily checked. Some special cases are also investigated. Finally, a numerical example is given to show the validness of the proposed result.