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921.
Hikaru Komatsu 《比较教育学》2017,53(2):166-191
Several recent, highly influential comparative studies have made strong statistical claims that improvements on global learning assessments such as PISA will lead to higher GDP growth rates. These claims have provided the primary source of legitimation for policy reforms championed by leading international organisations, most notably the World Bank and OECD. To date there have been several critiques but these have been too limited to challenge the validity of the claims. The consequence is continued utilisation and citation of these strong claims, resulting in a growing aura of scientific truth and concrete policy reforms. In this piece we report findings from two original studies that invalidate these statistical claims. Our intent is to contribute to a more rigorous global discussion on education policy, as well as call attention to the fact that the new global policy regime is founded on flawed statistics. 相似文献
922.
K. Dharini Amitha Peiris R. Brent Gallupe 《Decision Sciences Journal of Innovative Education》2012,10(3):389-412
A comprehensive conceptual framework is developed and described for evolving recommender‐driven online learning systems (ROLS). This framework describes how such systems can support students, course authors, course instructors, systems administrators, and policy makers in developing and using these ROLS. The design science information systems research approach was used to develop the framework. The ROLS framework incorporates both the cognitive and situative perspectives of the constructivist paradigm of learning. Research propositions are developed to highlight new research opportunities for these systems. The framework demonstrates how various components of an evolving ROLS can be integrated to provide potential benefits for all users. 相似文献
923.
自然资源在时间、空间、数量上是有限的,人类由于技术、经济条件所限,在社会一定时期内所能认识和利用的自然资源也是有限的,在人类历史中尤其从工业社会以来对地球上自然资源和生态环境的掠夺和损坏已至极限,出现了资源危机、生态危机。文章还论述了什么是知识,知识特点和作用。因为人类的智慧是无限的,作为人类智慧的成果知识也是无限的,因此,人类对自然资源的认识和能力是无限的,对所需资源的替代能力,以及改造已被破坏的自然资源、开发利用新资源的能力是无限的。所以人类反省过去,思考未来,不能无忧,也不必过虑。一方面要节约资源、珍惜资源,另一方向要坚持从科技发展中解决资源供需平衡问题。 相似文献
924.
925.
《Information processing & management》2016,52(1):129-138
This paper presents a Web intelligence portal that captures and aggregates news and social media coverage about “Game of Thrones”, an American drama television series created for the HBO television network based on George R.R. Martin’s series of fantasy novels. The system collects content from the Web sites of Anglo-American news media as well as from four social media platforms: Twitter, Facebook, Google+ and YouTube. An interactive dashboard with trend charts and synchronized visual analytics components not only shows how often Game of Thrones events and characters are being mentioned by journalists and viewers, but also provides a real-time account of concepts that are being associated with the unfolding storyline and each new episode. Positive or negative sentiment is computed automatically, which sheds light on the perception of actors and new plot elements. 相似文献
926.
基于中国237家制造企业的样本数据,通过层级回归的统计方法探讨绿色供应商整合、外部知识采用与绿色创新的关系以及兼容性的调节效应。实证研究结果表明:绿色供应商整合有助于外部知识的采用,进而有利于企业的绿色产品创新和绿色工艺创新;外部知识采用在绿色供应商整合与绿色产品创新和绿色工艺创新的关系中均具有部分中介效应;此外,知识兼容性在绿色供应商整合与外部知识采用的关系中具有负向调节效应,战略兼容性在绿色供应商整合与外部知识采用的关系中具有正向调节效应。 相似文献
927.
兰培 《广播电视大学学报》2011,(1):64-67
本文以吴曾祺"主于识见"的写作理论为论题,首先分析出,其将"识见"的积累视为从事文章写作的前提和基础,并将对"经"、"史"、"子"、"骚"的学习视为积累"识见"的必要途径。然后重点挖掘和分析吴氏依据"经"、"史"、"子"、"骚"的不同特点而提出的相应的学习之法。希冀为今天的读书和写作提供借镜。 相似文献
928.
创新价值链对于企业的发展是十分重要的,因为它能够清晰展示出创新过程的每一个环节,可以帮助管理者对企业进行优化升级,将精力集中在薄弱环节以及重视创新过程的各个相互影响的环节。本文在梳理文献的基础上,介绍了创新价值链的概念,并与创新过程和知识价值链这两个容易混淆的概念进行辨析,随后围绕知识来源、知识转化、知识利用三个环节分别进行评述,并且在数字化转型的背景下,阐述了数字化知识网络如何形成,最后提出未来的三个研究方向,即数字化创新过程或具体形式、数字化知识网络中的参与者类型及约束条件、数字化创新能力和资源协调能力。本文的研究对国内创新价值链的研究和实践提供有益的启示。 相似文献
929.
【目的】 在学术期刊的知识服务实践受到技术与内容双重阻滞的背景下,探讨其转型发展的突破路径。【方法】 基于创新理论框架,结合典型案例分析当前学术期刊知识服务实践与理论研究中尤为薄弱的资源配置与组织创新模式。【结果】 开放科学极大拓展了知识资源,知识付费促进知识资源生产方式迅速迭代,二者为资源配置与组织创新提供了极为有利的条件。【结论】 学术期刊应以开放服务思维变革知识服务的组织结构和管理方式,积极利用开放知识、开放工具和平台建立桥梁,驱动用户把知识服务深度嵌入自身活动过程,使之成为支持用户创新的强大工具。 相似文献
930.
Emergency knowledge management and social media technologies: A case study of the 2010 Haitian earthquake 总被引:7,自引:0,他引:7
Dave YatesAuthor Vitae Scott PaquetteAuthor Vitae 《International Journal of Information Management》2011,31(1):6-13
The US response to the 2010 Haiti Earthquake was a large effort coordinated by three major agencies that worked in tandem with the Government of Haiti, the United Nations, and many countries from around the globe. Managing this response effort was a complex undertaking that relied extensively on knowledge management systems (KMS). For the first time, however, US government agencies employed social media technologies such as wikis and collaborative workspaces as the main knowledge sharing mechanisms. In this research we present a case study developed through action research of how these social media technologies were used, what influences they made on knowledge sharing, reuse, and decision-making, and how knowledge was effectively (and at times ineffectively) maintained in these systems. First-hand knowledge of the response is used, offering strategies for future deployment of social media and important research questions that remain regarding social media as knowledge management systems, particularly for disaster and emergency management. 相似文献