共查询到20条相似文献，搜索用时 580 毫秒
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近年来,教育已成为博物馆的首要功能,博物馆教育活动设计也受到了博物馆学习情境模型和情境学习理论的影响。博物馆学习情境模型中的“情境”与情境学习理论中的“情境”本质并不相同,但是在博物馆学习的研究中易被混同。本研究对“情境(context)”和“情境(situation)”的区别与联系进行了理性讨论,并建议博物馆教育活动设计以“上位情境(context)→下位情境(situation)”的形式完成从“情境(context)”到“情境(situation)”的转化。 相似文献
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[目的/意义]对数字化科学共同体的形成方式、范式转换及其知识增长结构进行剖析,以深入了解数字化科学共同体的构成、特征及其变化规律,为促进科研创新和社会进步提供基础。[方法/过程]通过文献归纳及对比分析法,阐述数字化科学共同体的形成方式、范式转换特征以及知识增长结构。[结果/结论]数字化科学共同体的形成是在元科学和科学方法论基础上产生的一种由外及里的变革过程。库恩语境范式向格雷语境范式的转变是数字化科学共同体范式转换的主要特征。信息理性开始取代数学理性是数字化科学共同体知识增长的新结构。 相似文献
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Payal Arora 《亚洲交流杂志》2013,23(4):337-352
In designing digital literacy content for marginalized demographics, we need to garner local resources to structure engaging and meaningful media experiences. This paper examines the socio-cognitive implications of a novel edutainment product in rural India on learning, stemming from an e-development initiative funded by Hewlett-Packard. This product encapsulates a multiplicity of media forms: text, audio and visual, with social-awareness folk themes endemic to the locality. It uses the karaoke ‘same language subtitling’ feature that won the World Bank Development Marketplace Award in 2002 due to its simple yet innovative application that has proven to have an impact on reading skills. The product strives to combine cultural regeneration, value-based education, incidental literacy and language practice through entertainment. The paper investigates how this product addresses engagement and empowerment simultaneously, based on elements such as emotional appeal, multimodal stimulation, interactivity, contextual content and local representation. This is useful for practitioners and scholars interested in the design of novel edutainment content for international, underrepresented demographics. 相似文献
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Sharing of knowledge, information, and practices across cultural and national boundaries has become a means to address critical global problems. As government agencies increasingly collaborate with international counterparts on these issues, transnational knowledge and information sharing networks grow in importance as mechanisms for collaboration. This paper explores the nature of transnational public sector knowledge networks (TPSKNs) and identifies critical contextual factors that shape their performance. In these networks, each participating organization operates within complex national, organizational, and information contexts. The contextual differences between participants produce distances in culture, politics, intentions, organizational factors, relationships, knowledge, resources, geography, and technology. These distances influence their ability to engage in the processes and interactions that are essential to network performance. The paper concludes with a conceptual dynamic model that accounts for the relationships among these factors that can guide further research in understanding knowledge and information sharing across national and cultural boundaries. 相似文献
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David Bearman 《Archives and Museum Informatics》1997,11(3-4):271-276
The author reviews a range of the research questions still unanswered by research on the capture of metadata required for recordness. These include how to maintain inviolable linkages between records and their metadata in a variety of architectures, what structure metadata content should take, the semantics of records metadata and that of other electronic sources, how new metadata can be acquired by records over time, maintaining the meaning of contextual metadata over time, the use of metadata in records management and the design of environments in which Business Acceptable Communications – BAC – (those with appropriate evidential metadata) can persist. 相似文献
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毛若寒 《自然科学博物馆研究》2023,(5):32-40
自然科技类博物馆面临着如何提高展览传播有效性的挑战。本文以语境化阐释为切入点,探讨了其理念、方法和实践在提升自然科技类博物馆传播有效性方面的作用和意义。语境化阐释是一种将展品置于其原生或新生的关联网络中,揭示展品与其相关的人、物、环境、事件等之间的联系,从而增强展品的信息量、意义和价值的阐释方法。本文分析语境化阐释的内涵、机制、目标及作用,并从历史演变和现实功能的视角,剖析“语境化阐释”助力“传播有效性”提升的内在逻辑。最后,提出基于“展品”语境网络的可视化编织、基于“知识”的跨语境对话与跨视角重构以及基于“受众”的分众化语境化阐释系统助力路径。 相似文献
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Talicia Tarver Dixie A. Jones Mararia Adams Alejandro Garcia 《Medical reference services quarterly》2013,32(4):459-467
The objective of this project was to make an institution's patients aware of a new patient portal with contextual links to MedlinePlus. Through partnerships with information technology personnel and LSU Health Shreveport clinics, the Health Sciences Library created and distributed promotional and educational materials and instructed patients on how to use MyChart and access reliable consumer health information via MedlinePlus Connect. Although most patients were not interested in coming to the library for demonstrations, many of them expressed interest in using MyChart. The contextual information in MedlinePlus Connect worked well for most topics. The institutional team leader for MyChart expressed gratitude for librarian involvement. 相似文献
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专业社交媒体中主题图谱的内容包括论坛中的主题及主题之间的关系,其具有挖掘专业产品创新方向、构建专业知识索引等重要应用价值。本文基于深度学习技术与文本挖掘技术,提出了专业社交媒体中的主题图谱构建方法。首先,使用专业社交媒体中的文本训练Skip-Gram模型,利用该模型的隐藏层权重与模型输出的预测结果,分别获取词语间的语义相似度与上下文关联度。其次,基于该语义相似度与上下文关联度,对已有领域种子本体词汇进行扩充,将语义相似或上下文相邻近的词汇纳入本体词汇,为主题抽取提供高质量的领域词汇。然后,基于扩充的专业本体词汇,使用结合本体词汇的LDA主题模型从专业社交媒体文本中抽取主题与主题词。最后,利用语义相似度与上下文关联度,定义关联度权重,通过图模型与谱聚类,获取主题间与主题词的关联关系与层次结构。本文使用汽车论坛语料进行主题图谱生成实验。实验结果表明,本文方法获取的主题词纯净度相比单独使用LDA模型提升了20.2%,且能够清晰合理地展现主题之间的关系。 相似文献
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Humans exhibit a fundamental reliance on interpersonal relations for the acquisition of information. Gatekeepers, who help link people with unknown information, are the “humans” in this human information-seeking process. The gatekeeping phenomenon has been studied in diverse disciplines and this article examines these research literatures to reveal that gatekeepers arise in discourse communities by different means, including cultural certification, informal nomination, or by virtue of their social positions. This multidisciplinary analysis of gatekeeping reveals that information practices are immensely contextual and contingent on the social environment. It enables and substantiates a collectivist perspective of library and information science (LIS). Moreover, this theoretical orientation also prompts us to apply social network analysis (SNA) to LIS in order to study and determine how the characteristics of social relationships and structures affect access to information resources. 相似文献
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Analyzing 219 blog posts from 52 self-employed women lifestyle bloggers in North America, this study shows how these digital professionals navigate tensions and communicatively constitute work flexibility. In their narratives, women bloggers employed tension management approaches such as reframing, continual connections, and reflective practice in response to tensions in enacting temporal–spatial, identity, and financial flexibility. Specifically, women followed oxymoronic constructions – disciplined freedom, branded authenticity, and dependable independence – to embrace and transform competing poles of fluidity?structure, authenticity?marketability, and independence?interconnection. Expanding work–life research to the self-employed digital labor context, this study responds to recent calls to uncover more-than tension management strategies in empirical settings and contributes to a tension-centered, contextual, and processual analysis of workplace flexibility construction. 相似文献
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《Government Information Quarterly》2023,40(1):101774
Artificial Intelligence (AI) implementation in public administration is gaining momentum heralded by the hope of smart public services that are personalised, lean, and efficient. However, the use of AI in public administration is riddled with ethical tensions of fairness, transparency, privacy, and human rights. We call these AI tensions. The current literature lacks a contextual and processual understanding of AI adoption and diffusion in public administration to be able to explore such tensions. Previous studies have outlined risks, benefits, and challenges with the use of AI in public administration. However, a large gap remains in understanding AI tensions as they relate to public value creation. Through a systematic literature review grounded in public value management and the resource-based view of the firms, we identify technology-organisational-environmental (TOE) contextual variables and absorptive capacity as factors influencing AI adoption as discussed in the literature. To our knowledge, this is the first paper that outlines distinct AI tensions from an AI implementation and diffusion perspective within public administration. We develop a future research agenda for the full AI innovation lifecycle of adoption, implementation, and diffusion. 相似文献
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Tara E. Murray 《图书馆管理杂志》2017,57(4):461-467
Special libraries, especially in corporate environments, face a challenge in measuring their value and communicating it to their customers and management. This can be especially difficult in organizations where libraries or information centers are perceived as cost centers that make minor financial contributions. A return on investment study, when combined with contextual information, can help overcome this perception while providing valuable information on customer needs. 相似文献
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基于情景模型的数字图书馆个性化服务研究 总被引：5，自引：0，他引：5
由于web环境下用户的个性化需求具有易变性、动态性和情景敏感性等特征,个性化服务的提供越来越需要情景模型的支持.目前,基于情景模型的数字图书馆个性化服务主要通过个性化检索和个性化推荐两种方式实现.将情景模型运用于数字图书馆个性化服务,还需要注意和解决用户情景捕捉的准确性、服务提供的适用性、用户安全与隐私、用户模型与情景模型的结合以及数字图书馆各种资源的整合与集成等问题.图3. 相似文献
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《晋绥日报》的反客里空运动是一个具有重大历史意义的事件,然而也是一个不断被不同话语讲述着的历史事件。因此,合理的追问是:反客里空运动的历史本相到底为何?本文尝试通过对相关文本和语境的了解,能对这一疑问略有解答。 相似文献
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Dennis Bachmann Katarina Grolinger Hany ElYamany Wilson Higashino Miriam Capretz Majid Fekri Bala Gopalakrishnan 《Information Retrieval》2018,21(6):541-564
Recommender systems have dramatically changed the way we consume content. Internet applications rely on these systems to help users navigate among the ever-increasing number of choices available. However, most current systems ignore the fact that user preferences can change according to context, resulting in recommendations that do not fit user interests. This research addresses these issues by proposing the \(({ CF})^2\) architecture, which uses local learning techniques to embed contextual awareness into collaborative filtering models. The proposed architecture is demonstrated on two large-scale case studies involving over 130 million and over 7 million unique samples, respectively. Results show that contextual models trained with a small fraction of the data provided similar accuracy to collaborative filtering models trained with the complete dataset. Moreover, the impact of taking into account context in real-world datasets has been demonstrated by higher accuracy of context-based models in comparison to random selection models. 相似文献
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The U.S. IMPACT studies have two research projects underway that employ a mixed method research design to develop and validate performance indicators related specifically to the outcomes of public access computing (PAC) use in public libraries. Through the use of a nationwide telephone survey (n = 1130), four case studies, and a nationwide Internet survey of PAC users administered through 636 public libraries, this approach will generate generalizable quantitative data on the extent and distribution of the use of public access computing resources, as well as provide rich contextual data that will help understand how people use the computers and Internet connections in public libraries and the impact it has on their lives. 相似文献