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1.
《Information processing & management》2020,57(2):102085
Persuasion and argumentation are possibly among the most complex examples of the interplay between multiple human subjects. With the advent of the Internet, online forums provide wide platforms for people to share their opinions and reasonings around various diverse topics. In this work, we attempt to model persuasive interaction between users on Reddit, a popular online discussion forum. We propose a deep LSTM model to classify whether a conversation leads to a successful persuasion or not, and use this model to predict whether a certain chain of arguments can lead to persuasion. While learning persuasion dynamics, our model tends to identify argument facets implicitly, using an attention mechanism. We also propose a semi-supervised approach to extract argumentative components from discussion threads. Both these models provide useful insight into how people engage in argumentation on online discussion forums. 相似文献
2.
This article addresses the issue of extracting contexts and answers of questions from posts of online discussion forums. In previous work, general-purpose graphical models have been employed without any customization to this specific extraction problem. Instead, in this article, we propose a unified approach to context and answer extraction by customizing the structural support vector machine method. The customization enables our proposal to explore various relations among sentences of posts and complex structures of threads. We design new inference algorithms to find or approximate the most violated constraint by utilizing the specific structure of forum threads, which enables us to efficiently find the global optimum of the customized optimizing problem. We also optimize practical performance measures by varying loss functions. Experimental results show that our methods are both promising and flexible. 相似文献
3.
[目的/意义]基于知识付费的中介效应视角，以在线社会网络为研究对象，分析知识个体的感知知识个人所有权、自我效能感对隐性知识共享意愿的影响机制，以期对促进在线社会网络运营主体充分调动知识个体持有者主动共享其隐性知识产生一定的启示作用。[方法/过程]基于对314名样本的数据采集结果相关性分析，构建回归分析模型，并通过MPLUS7.0软件对变量之间的作用关系进行分析。[结果/结论]1）感知知识个人所有权促进隐性知识共享意愿的提升；2）自我效能感完全中介感知知识个人所有权对隐性知识共享意愿的影响；3）知识付费程度越高，自我效能感对隐性知识共享意愿的正向影响会被削弱，自我效能感在感知知识个人所有权与隐性知识共享意愿之间所起的中介作用也会被削弱。 相似文献
4.
在线的C2C分享平台是目前分享经济的重要方向之一。一些C2C知识分享平台中采用对成员的评价机制作为鼓励分享行为的重要手段之一,但是在理论上评价机制与个体知识分享行为之间的关联机制却少有研究。本文通过内容分析和社会网络分析等方法,对国内一个咨询行业专业QQ群进行了大数据分析,实证探讨了系统评价和群内成员互评两种评价机制在成员的知识分享行为与个体知识网络中心性之间的调节效应。在实证分析的基础上,本文进一步根据系统评价和成员互评两种评价机制作用的异同将知识分享平台划分为应用型、创新型和合作型知识分享平台。 相似文献
5.
【目的/意义】从互联网对话视角构建在线健康知识共创模型,揭示在线健康知识共创机理,为促进主流社
交平台开展在线健康知识共创提供对策建议。【方法/过程】首先,融合对话理论和群体研讨理论,构建在线健康知
识共创模型的理论框架;其次,以知乎平台“宫颈癌”话题的152个提问和32045条回帖为基础,对提出的理论框架进
行检验,采用内容分析、文本分析探究健康知识共创中的对话循环机制和对话介入机制,运用线性回归分析方法揭
示对话介入活动对健康知识共创效果的影响。【结果/结论】基于对话理论的在线健康知识共创模型由对话循环和
对话介入两个模块组成;对话循环遵循“从议题到方案”的研讨逻辑,依托在线交流平台的交互功能实现多重对话
空间连贯;对话介入强调在线文本的语言功能,细分为对话扩展和对话收缩,两者均显著影响单个对话空间中健康
知识共创效果。【创新/局限】借鉴互联网对话理论构建在线健康知识共创模型,进而揭示对话因素对知识共创效果
的影响,并利用知乎平台健康对话数据进行检验,后续研究须引入各种类型在线平台的健康对话数据进行模型验
证与优化。 相似文献
6.
【目的/意义】持续知识共享对于信息与知识生成、数据价值创造以及平台健康发展至关重要,针对在线持
续知识共享意愿（Online Knowledge Sharing Continuance Intention,OKSCI）研究结果的不一致性问题,进行元分析
显得十分必要。【方法/过程】纳入 63篇研究文献,选择影响 OKSCI的 10个前因变量、6个调节变量所对应的 167个
独立效应值进行元分析。【结果/结论】利他（r=0.545）、情感价值（r=0.531）、社区认同（r=0.517）、期望确认（r=0.513）、
互惠规范（r=0.503）、知识自我效能（r=0.485）、人际信任（r=0.483）、社会交互（r=0.446）、声誉提升（r=0.411）以及外
在奖励（r=0.309）对OKSCI产生显著正向影响。性别、年龄、数据收集渠道、研究依托平台、平台使用时长以及测量
量表等级会对上述10个变量与OKSCI之间的关系产生调节。【创新/局限】厘清了OKSCI影响因素的作用机制,得
到更具普适性的研究结论。部分研究变量依据测量项相似原则合并而来,无法提供更准确的总体估计结果。 相似文献
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Online social networking has received increasing attention as a new phenomenon among online users. As Internet users utilize online social networking websites as a useful communication tool to maintain their social networks, this study explorers online social networking websites users’ knowledge sharing in particular. This study investigated the factors which influence knowledge contribution behaviors of social networking website users by sharing through user created contents with one another. By employing a socio-technical approach, this study discussed the roles of social system factors such as ethical culture, social tie, and a sense of belonging in online social network. Additionally, this study examined technical systems factors such as structural assurance of service providers and structural assurance of the Internet. The survey method was utilized in order to empirically test the research model. The research findings and contributions are discussed as well. 相似文献
8.
The social question and answer (Q&A) community provides people with an effective tool to obtain high-quality information. From the perspective of reciprocal determinism and value co-creation, this study aims to investigate the formation mechanism of high-quality knowledge in the community. We develop a model to investigate how cognitive factors and community technological factors influence users’ knowledge co-creation behavior, thereby influencing knowledge quality in the community. A survey of 382 knowledge contributors in a social Q&A community shows that knowledge self-efficacy, topic richness, personalized recommendation, and social interactivity have a positive impact on users' knowledge sharing and integration behavior, which subsequently affect the community’s knowledge quality. Moreover, users' ratings moderate the influence of knowledge sharing on knowledge quality. This research demonstrates the synergistic effect of people and technology in knowledge co-creation, thus advances literature about value co-creation and content quality in online communities. 相似文献
9.
基于博弈论视角的团队知识共享激励机制研究 总被引：1，自引：0，他引：1
通过静态博弈模型的构建及分析发现,在非对称信息下,传统的激励机制会使团队知识共享陷入囚徒困境;对知识共享行为采取直接激励则由于存在激励扭曲问题而无法起到有效的激励作用;团队利益共享计划则可以产生较好效果。基于团队利益共享激励模型,就激励合同的具体设计及如何提高成员知识共享的努力程度等方面的问题做了进一步讨论。 相似文献
10.
【目的/意义】探讨网络问答社区中意见领袖的社会与知识分享行为特征,为问答社区的发展提供改进建
议。【方法/过程】以知乎“旅行”问答话题下活跃用户为研究对象,通过python爬取用户的个人信息,利用数理统计
和社会网络分析对意见领袖的社会及知识分享行为特征展开研究。【结果/结论】研究发现,社会特征是意见领袖开
展知识共享活动的先决条件,网络问答社区的发展离不开社区用户的多元化;意见领袖为问答社区内容生成主力,
知识分享行为广泛分布于意见领袖的信息活动中且其行为影响力突出;中心团体联合促进意见领袖间的知识分
享,领袖群体间知识分享互动频繁。【创新/局限】对于意见领袖的特征分析只建立在“旅行”这一问答话题,样本数
量偏低,后期将会对更多的问答话题进行研究,以期得出更精准的、普适性更强的结论。 相似文献
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《International Journal of Information Management》2016,36(4):520-530
The research on users as a source of innovation has been coming into blossom and the studies about the effect of users’ lead userness on their innovation-related activities are drawing more and more attention from both academic and business circles. However, there have been few empirical studies exploring the relationship between users’ lead userness and their innovation-related knowledge sharing behavior in the context of online user community and the mediating effects of users’ social capital and their perceived behavioral control on this relationship. By empirically analyzing the 140 data collected from an online user community that is used as an important source of innovation for a company with the structural equation modeling analysis through the partial least squares method, this study reveals that users’ lead userness has a positive relationship with their innovation-related knowledge sharing in the online user community and users’ social capital and perceived behavioral control jointly and fully mediate this positive relationship. Based on the new findings, this study is expected to provide useful implications which can contribute to widening and deepening the research stream about the effect of users’ lead userness on their innovation-related knowledge sharing in the online user community. 相似文献
13.
为克服从行为和技术角度单一讨论知识共享网络存在的片面性,构建基于行为和技术的包含技术网络、社会网络和知识网络的三层知识共享网络,阐述每层网络中的关键因素和网络构成,最后分析三层网络之间的相互作用关系。 相似文献
14.
[目的/意义]随着在线健康社区的快速发展,人们对健康问题越来越重视,并且开始关注在线健康社区中的知识共享问题。本文将S-O-R模型与动机理论结合起来,构建一个集成模型来研究在线健康社区用户的不同种类知识共享行为的影响因素。[方法/过程]本文采用问卷调查的方法收集到249份有效调查问卷,使用SPSS24.0和AMOS23.0检验所提出的假设。[结果/结论]研究结果表明,硬性报酬对利他主义和知识的自我效能均有显著正向影响,软性报酬对利他主义有正向影响,对知识的自我效能无显著正向影响。此外,利他主义对一般健康知识共享行为有显著正向影响,对特殊健康知识共享行为有显著负向影响;知识的自我效能对一般健康知识和特殊健康知识共享行为均有显著正向影响。 相似文献
15.
【目的/意义】社会支持是虚拟健康社区用户知识分享的重要驱动因素,有必要系统阐释社会支持激发用户
健康知识分享的内在机制和边界条件。【方法/过程】基于社会支持和认知-情感系统理论,构建了社会支持通过信
任和社区归属感影响用户健康知识分享的链式中介模型,并探讨了感知自我效能的边界作用,以收集的286份有效
数据为样本进行了实证分析。【结果/结论】研究发现,社会支持（信息支持、情感支持）对用户健康知识分享具有积
极的正向影响;信任和社区归属感在社会支持（信息支持、情感支持）对用户健康知识分享的影响过程中具有链式
中介作用,用户的感知自我效能对此路径具有强化作用,用户的感知自我效能越高,其社区归属感对健康知识分享
的影响越明显,信息支持和情感支持对健康知识分享的影响路径也越强。【创新/局限】本文运用认知-情感系统理
论解释了社会支持对用户健康知识分享的影响机制,丰富了用户健康信息行为领域的研究成果。 相似文献
16.
知识共享主体之间的关系缺乏是导致知识共享困境的根源。本文从社会网络理论的视角研究了企业知识共享存在的问题,通过分析社会化问答平台在知识共享中的4个机制:知识外化机制、资源共建机制、知识协作机制、激励机制,并讨论了对解决知识共享障碍方面的优势,依此提出了更好的构建企业知识共享机制的几点建议。 相似文献
17.
Recent studies have shown that adolescents use the Internet not only to maintain social relationships with distant relatives and friends but also to create new relationships online; some of these friendships become integrated into their social circle. Research has focused mainly on the effect of the Internet on existing relationships or the nature of online-only ties, so studies comparing the quality of online and face-to-face relationships are missing. The goal of this study is to bridge this gap. In keeping with previous studies on social association, we argue that the quality of social relationships is dependent on duration and diversity of topics and activities carried together. Time is important, as it facilitates the development of a collective shared history and identity. Intimacy develops through the participation in shared activities and discussion of diverse issues of personal concern. Using a representative sample of the adolescent population in Israel, we find that closeness to a friend is a function of social similarity, content and activity multiplexity, and duration of the relationships. Friendships originated in the Internet are perceived as less close and supportive because they are relatively new and online friends are involved in less joint activities and less topics of discussion. The implications of the findings are discussed. 相似文献
18.
虚拟社区为人们提供了一个更开放和更方便的信息交流平台,是近年来国内外学者研究的一个热点问题。论文从虚拟社区的信息交流和知识共享、用户行为以及商业应用这3个方面对虚拟社区的研究现状进行了分析,同时指出了虚拟社区研究存在的问题以及未来的研究方向:在信息传播和知识共享方面,深入挖掘虚拟社区信息传播和知识共享模式,同时制定有效的引导机制;在用户行为方面,加强对如何利用虚拟社区推进社会健康、和谐的发展这方面的研究;在商业应用方面,微博的商业价值需要深入探索。 相似文献
19.
Although the scholarly discussion increases our understanding about aspects involved in the management of knowledge, relatively little is known about knowledge sharing in a cross-cultural context. Yet, attitudes about knowledge sharing as well as knowledge sharing behavior have been identified in related research as varying across cultural contexts. The purpose of this paper is to shed light on the aspects that influence the act of making knowledge available to others in a cross-cultural context. The empirical part of the study, consisting of semi-structured interviews with 30 Nordic expatriates and eight Japanese managers in Japan indicates that language differences, status hierarchies, collectivism, and logical differences can create barriers to knowledge sharing. Managerial implications and suggestions for future research are offered. 相似文献
20.
随着虚拟社区逐渐成为人们进行信息交流和知识共享的新平台,关于虚拟社区中知识共享的影响因素和作用机制的研究也逐步展开。学者们从社会心理学、社会网络分析等理论视角构建研究模型,分析各自框架内的影响因素,但由于研究目的的不同,涉及到的影响因素也各不相同。本文通过总结以往学者的研究结论,分析促进知识共享的"场"的特征,构建虚拟社区知识共享的知识链模型,旨在提出一个较为完整的虚拟社区知识共享影响因素研究框架,为今后的研究提供一点参考。 相似文献