培育教师合作文化——当前建设和谐校园的重要任务

随着新课程改革的实施,对教师专业化要求越来越高,其专业知识、专业能力和专业心境的发展并不完全依靠自己的力量来实现,还同时在与他人(同事)合作交往的过程中得到推进,这就依赖于一种教师间的合作文化氛围的形成.培育合作的教师文化氛围是新时期教师专业化发展的新境界,也是建设和谐校园的重要任务之一.     

基于项目分类预测的协同过滤推荐算法

在电子商务系统中,为了帮助用户有效地发现、过滤和利用信息,信息过滤技术应运而生.协同过滤技术作为其中的一种技术被成功地应用于推荐系统中.随着电子商务用户数目和商品数目的日益增加,整个项目空间上用户评分数据极端稀疏,传统的相似性度量方法均存在各自的弊端,导致推荐系统的推荐质量急剧下降.针对这一不足,提出基于项目分类预测的协同过滤算法,通过对用户评分矩阵中的项目进行相应的分类,缩小邻近搜索的范围,预测项目评分,减少稀疏性,并采用新的相似度计算方法.实验结果表明,该算法能提高个性化推荐算法的准确性.     

图书馆的信息存储策略

回顾了图书馆信息存储的历史,详细介绍了图书馆曾引进的几种信息存储技术,并分析了图书馆信息存储的发展趋势。     

基于协同标注的科研社区知识融合机制研究

网络科研社区是现代科学研究依托的新环境和新平台,是满足虚拟协同科研范式的必要条件。科研社区的本质是要为分布于网络各个终端节点的专家提供一个协同工作的环境,实现知识的共享与交流,最终激发学术灵感,促进知识的不断创新。文章试图通过引入知识因子的概念,在知识的提交、知识因子的抽取、关联和汇聚这4个阶段从微观层面分析知识融合的生物特性,进而根据网络社区成员协作的不同实现形式提出以促进专家知识创新为目标的基于协同标注的知识融合实现机制。     

‘You should collaborate,children’: a study of teachers’ design and facilitation of children’s collaboration around touchscreens

Touchscreens are being integrated into classrooms to support collaborative learning, yet little empirical evidence has been presented regarding how children collaborate using touchscreens in classrooms. In particular, minimal research has been directed towards how teachers can design for and guide children’s touchscreen-based collaboration. Concurrently, the Programme for International Student Assessment and other international organisations have highlighted collaboration and ICT skills as crucial competencies for mastery in the twenty-first century. Accordingly, this article presents three narrative cases from a touchscreen project in Denmark, where 41 second-grade children and three teachers from two classrooms participated. The cases are based on ethnographic field data and 150 hours of video footage of natural occurring interaction in classroom settings. The ethnographic field data and video footage are examined using a collaboration model and embodied interaction analysis. Each case presents features of the subtle processes of children’s collaboration around touchscreens and teachers’ role in designing and guiding such collaboration. Thus, this article illustrates teachers’ and children’s situated processes of integrating touchscreens for collaborative activities in their classrooms.     

Optimising the blended learning environment: the Arab Open University experience

This paper will offer some insights into possible ways to optimise the blended learning environment based on experience with this modality of teaching at Arab Open University/Jordan branch and also by reflecting upon the results of several meta-analytical studies, which have shown blended learning environments to be more effective than their face to face and online only counterparts. Three key elements will be presented as important ways for improving the blended learning environment: forging genuine collaborative partnerships between institutions in terms of the team-writing of Open and Distance Learning (ODL) material, adopting a more theoretically based instructional approach, such as the cognitive apprenticeship (CA) model, which emphasises making thinking visible and developing a comprehensive understanding of blended education in order to help students achieve their educational goals.     

教师教育协同治理的理论内涵及实践向度

我国的教师教育协同治理研究处于起步阶段,面临治理主体协同能力不足、协同治理结构制度保障不济、协同治理过程实践效能不佳、协同治理文化推力不足等困境。界定教师教育协同治理理论内涵及特征原则,重构教师教育主体价值共识,激发主体协同动力;优化管理程序,提升主体协同能力;完善制度结构,厘清协同治理主体间的权责关系;搭建统筹管理平台,优化教师教育治理实践过程;增强协调沟通,厚植包容信任的治理文化,以期推进教师教育治理现代化。     

基于协同电子商务的企业供应链牛鞭效应研究

首先对企业供应链的"牛鞭效应"进行分析,指出"牛鞭效应"是削弱企业供应链竞争力的主要原因之一,在此基础上,提出解决"牛鞭效应"的方法—企业供应链协同电子商务,并对协同电子商务系统的构建进行了讨论.     

地方高校本科生创新能力协同培养的探索与实践

针对我校信息类专业学生所存在的创新意识不强、创新能力不足、人文素质相对薄弱等问题,秉承"以学生为中心,关注能力发展,关注人文发展"的理念,构建了"开放课程平台+实践创新平台+人文素质教育平台"等资源,协同进行大学生创新能力培养,取得了显著成效。     

高校内部协同创新与外部协同创新的协同度分析

协同创新是高校提升"人才、学科、科研"三位一体创新能力的有效路径,依据复合系统协调度模型,可以构建高校内外部协同创新协同度测度模型以及协同度测度指标体系。运用2012年至2017年山西省18所高校相关数据对高校协同创新复合系统协同发展状况进行测度,并对协同发展趋势存在差异的3所典型高校进行分析发现:山西省多数高校经历了从低度协同到一般协同的转变,高等教育资源的匮乏会影响高校协同创新整体发展水平;外部协同创新有序度是影响高校内外部协同发展的关键因素;高校自身的先赋性基础对内外部协同创新的有序发展也有很大影响。