More of the Same? Understanding Transformation in Tablet-based Academic Library Instruction

Academic librarians have shared their experiences with tablet computers, but few examine how librarians use tablets in their instruction design. While the education literature provides technology integration models, the nature of library instruction requires adapting these models to the library classroom. After reviewing literature related to tablets in library instruction and a number of technology integration frameworks, this article demonstrates an application of the Substitution, Augmentation, Modification, Redefinition framework to analyze observations of an iPad-equipped classroom at a university library. Demonstrating this use of a framework provides an approach to technology integration and continues the discussion about tablets’ potential to promote innovative pedagogy.     

Can Facebook be used to increase scientific literacy? A case study of the Monterey Bay Aquarium Research Institute Facebook page and ocean literacy

The Internet provides a unique opportunity for scientists to be in direct contact with the public in order to promote citizens' scientific literacy. Recently, Internet users have started to spend most of their online time on social networking sites (SNS). Knowledge of how these SNSs work as an arena for interaction, as well as for the development of scientific literacy, is important to guide scientists' activities online, and to be able to understand how people develop knowledge of science. This was evaluated by scrutinizing the Facebook page of the Monterey Bay Aquarium Research Institute and the consequences for users' ocean literacy. We investigated which practices could increase the number of users reached by a Facebook story. We also found that Facebook pages do not offer the appropriate social context to foster participation since it has only a few of the features of an arena where such practices could develop.     

面向重大突发社会安全事件的新闻媒体国际影响力分析

大数据时代下重大突发社会安全事件的舆情主要通过媒体快速传播,但现有研究大都没有考虑新闻媒体这一特殊群体以及在某一类特定事件中新闻媒体的影响力。为了研究上述问题,提出一种综合用户间的网络结构与行为关系来评价影响力的方法,并以新疆暴恐和巴黎暴恐事件为例,得出在Twitter平台中各国新闻媒体在此类事件中的国际影响力。该评价方法可以更好地得出各新闻媒体在事件层面上的影响力。通过使用该评价方法对新疆暴恐事件和巴黎暴恐事件中新闻媒体影响力进行计算,实验结果显示,各国新闻媒体在新疆暴恐事件和巴黎暴恐事件中的影响力存在差异,说明这两起同类型事件的影响范围不同,同时也从侧面反映了各国政治立场的差异。     

Power up! Using Digital Gaming Techniques to Enhance Library Instruction

ABSTRACT

Incorporating digital gaming into education is an increasingly popular topic in academia. Educators’ views of digital gaming (e.g., computer, video, and online games) have shifted from categorizing these games as an entertaining, yet pedagogically void activity to a promising medium that engages students in the learning process. With over 70% of college students enthusiastically playing digital games, educators are tapping into digital gaming as an effective means to teach millennials problem solving and communication skills. This article investigates gamer characteristics, motivational and engaging aspects of digital games, and the parallels between gaming and the information retrieval process. The authors build on this information to present approaches to incorporate digital gaming techniques into the library classroom since it is not feasible for all libraries to create instructional digital games.     

Networked Press Freedom and Social Media: Tracing Historical and Contemporary Forces in Press‐Public Relations

This paper analyzes how mainstream, online news organizations understand press autonomy in their relationships to audiences. I situate the press in terms of neo‐institutional sociology, seeing its autonomy as a distributed, field‐level phenomenon involving “boundary work” among distributed actors. I then trace press‐audience relations through two historical examples (letters to the editor and ombudsmen), showing how the press has historically both separated itself from and relied upon audiences. Examining eight news organizations' social media policies, I analyze the “inside‐out” and “outside‐in” forces through which the press distinguishes itself from audiences, concluding with a discussion of how such guidelines structure the types of control that news organizations have, or might have, as they use social network sites in their news work.     

Crowd‐Funded Journalism

Crowd‐funded journalism is a novel business model in which journalists rely on micropayments from ordinary people to finance their reporting. Based on analyses of the database of Spot.us, a pioneering crowd‐funded journalism website, we examine the impact of crowd‐funded journalism on the news produced. We apply a uses and gratifications approach to study consumers' choices when they donate to crowd‐funded journalism and find that consumers are more likely to donate to stories that provide them with practical guidance for daily living (e.g., stories about public health or local city infrastructure), as opposed to stories from which they gain a general awareness of the world (e.g., cultural diversity, or government and politics). We discuss the implications for the future of news.     

基于矩阵分解双线性池化的多模态融合虚假新闻检测

现有的大多数虚假新闻检测方法将视觉和文本特征串联拼接,导致模态信息冗余并且忽略了不同模态信息之间的相关性。为了解决上述问题,提出一种基于矩阵分解双线性池化的多模态融合虚假新闻检测算法。首先,该算法将多模态特征提取器捕捉的文本和视觉特征利用矩阵分解双线性池化方法进行有效融合,然后与虚假新闻检测器合作鉴别虚假新闻;此外,在训练阶段加入了事件分类器来预测事件标签并去除事件相关的依赖。在Twitter和微博两个多模态谣言数据集上进行了对比实验,证明了该算法的有效性。实验结果表明提出的模型能够有效地融合多模态数据,缩小模态间的异质性差异,从而提高虚假新闻检测的准确性。     

语义增强的多模态虚假新闻检测

近年来社交媒体逐渐成为人们获取新闻信息的主要渠道,但其在给人们带来方便的同时也促进了虚假新闻的传播.在社交媒体的富媒体化趋势下,虚假新闻逐渐由单一的文本形式向多模态形式转变,因此多模态虚假新闻检测正在受到越来越多的关注.现有的多模态虚假新闻检测方法大多依赖于和数据集高度相关的表现层面特征,对新闻的语义层面特征建模不足,难以理解文本和视觉实体的深层语义,在新数据上的泛化能力受限.提出了一种语义增强的多模态虚假新闻检测方法,通过利用预训练语言模型中隐含的事实知识以及显式的视觉实体提取,更好地理解多模态新闻的深层语义.提取不同语义层次的视觉特征,在此基础上采用文本引导的注意力机制建模图文之间的语义交互,从而更好地融合多模态异构特征.在基于微博新闻的真实数据集上的实验结果表明:该方法能够有效提高多模态虚假新闻检测的性能.     

中医院校研究生信息素质教育研究

本文通过分析信息素质对医学研究生的重要性,对广州中医药大学的研究生信息素质状况作调查,结果发现医药研究生信息意识较缺乏、信息能力较弱,信息道德观念有待改变,针对这些问题提出相应对策,以提高医药研究生信息素质水平。     

社交媒体中的信息推荐

近年来社交媒体越来越流行,可以从中获得大量丰富多彩的信息的同时,也带来了严重的"信息过载"问题.推荐系统作为缓解信息过载最有效的方法之一,在社交媒体中的作用日趋重要.区别于传统的推荐方法,社交媒体中包含大量的用户产生内容,因此在社交媒体中,通过结合传统的个性化的推荐方法,集成各类新的数据、元数据和清晰的用户关系,产生了各种新的推荐技术.总结了社交推荐系统中的几个关键研究领域,包括基于社会化标注的推荐、组推荐和基于信任的推荐,之后介绍了在信息推荐中考虑时间因素时的情况,最后对社交媒体中信息推荐有待深入研究的难点和发展趋势进行了展望.