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How to identify influential content: Predicting retweets in online financial community 如何识别有影响力的内容:预测在线金融社区的转发量
IF 2.6 3区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-04-13 DOI: 10.1108/ajim-05-2022-0254
PurposeRetail investors are prone to be affected by information dissemination in social media with the rapid development of Web 2.0. The purpose of this study is to recognize the factors that may impact users' retweet behavior, namely information dissemination in the online financial community, through machine learning techniques.Design/methodology/approachThis paper crawled data from the Chinese online financial community (Xueqiu.com) and extracted author-related, content-related, situation-related, stock-related and stock market-related features from the dataset. The best information dissemination prediction model based on these features was determined by evaluating five classifiers with various performance metrics, and the predictability of different feature groups was tested.FindingsFive prevalent classifiers were evaluated with various performance metrics and the random forest classifier was proven to be the best retweet prediction model in the authors’ experiments. Moreover, the predictability of author-related, content-related and market-related features was illustrated to be relatively better than that of the other two feature groups. Several particularly important features, such as the author's followers and the rise and fall of the stock index, were recognized in this paper at last.Originality/valueThis study contributes to in-depth research on information dissemination in the financial domain. The findings of this study have important practical implications for government regulators to supervise public opinion in the financial market.
目的随着Web 2.0的快速发展,散户投资者很容易受到社交媒体信息传播的影响。本研究的目的是通过机器学习技术来识别可能影响用户转发行为的因素,即在线金融社区的信息传播。设计/方法/方法本文从中国在线金融社区(学求网)中抓取数据,从中提取作者相关、内容相关、情境相关、股票相关和股市相关的特征。通过对5个具有不同性能指标的分类器进行评价,确定了基于这些特征的最佳信息传播预测模型,并对不同特征组的可预测性进行了测试。结果采用不同的性能指标对5种常用分类器进行了评价,结果表明随机森林分类器是最佳的转发预测模型。此外,作者相关特征、内容相关特征和市场相关特征的可预测性相对优于其他两个特征组。本文最后认识到作者的追随者和股票指数的涨跌等几个特别重要的特征。独创性/价值本研究有助于深入研究金融领域的信息传播问题。本研究结果对政府监管机构监管金融市场舆论具有重要的现实意义。
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引用次数: 0
Tension between the safe flow of government data across organizational boundaries and fragmentations in secure collaboration: the Chinese e-government 跨组织边界的政府数据安全流动与安全协作中的碎片之间的紧张关系:中国电子政务
IF 2.6 3区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-04-12 DOI: 10.1108/ajim-10-2022-0461
Zijun Mao, Yuqi Zhu
PurposeThe study focuses on influential factors of collaboration on government data security by the Chinese government.Design/methodology/approachThe article explores the case of e-government in the Chinese centralized unitary state system context, using a structured–pragmatic–situational (SPS) approach and the boundary theory as an analytical lens.FindingsThe findings indicate that e-government operates in highly interconnected environments where the safe flow of government data requires collaborative and cross-boundary strategies. Any organization is a potential “weakest link”. In addition, collaboration is fragmented by ambiguous accountability and organizational inertia across government departments, resources differences and limited visibility and measurability of security efforts across government levels and conflicts and uncertainties in principal–agent relationships. The solutions for those obstacles are also discussed from the multi-function, multi-level and multi-actor dimensions, respectively. A multi-dimensional overarching security model for the flow of government data is proposed.Originality/valueThe study advances the technology-oriented micro-analysis of previous studies on government data security to cross-organizational revealing at the macrolevel by connecting streams of research in information systems and public administration. These findings will contribute to making the safe flow of government data more resilient in the transformation of e-government.
目的研究中国政府协作对政府数据安全的影响因素。本文采用结构-语用-情景(SPS)方法和边界理论作为分析视角,探讨了中国中央集权国家体制背景下的电子政务案例。研究结果表明,电子政务在高度互联的环境中运行,在这种环境中,政府数据的安全流动需要协作和跨境战略。任何组织都是潜在的“最薄弱环节”。此外,由于不明确的问责制和跨政府部门的组织惰性、资源差异、跨政府级别安全工作的有限可见性和可测量性以及委托代理关系中的冲突和不确定性,协作是碎片化的。并分别从多功能、多层次和多主体三个维度探讨了解决这些障碍的方法。提出了一个多维政府数据流总体安全模型。本研究通过连接信息系统和公共管理的研究流,将以往政府数据安全研究的技术导向微观分析推进到宏观层面的跨组织揭示。这些发现将有助于在电子政务转型中使政府数据的安全流动更具弹性。
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引用次数: 0
Citizens’ utilization of open government data portals in China: a comparative case study of supply vs demand 中国公民对开放式政府数据门户网站的利用:一个供需比较案例研究
IF 2.6 3区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-04-11 DOI: 10.1108/ajim-03-2022-0161
Di Wang, Deborah Richards, A. Bilgin, Chuanfu Chen
PurposeThe rising volume of open government data (OGD) contrasts with the limited acceptance and utilization of OGD among citizens. This study investigates the reasons for citizens’ not using available OGD by comparing citizens’ attitudes towards OGD with the development of OGD portals. The comparison includes four OGD utilization processes derived from the literature, namely OGD awareness, needs, access and consumption.Design/methodology/approachA case study in China has been carried out. A sociological questionnaire was designed to collect data from Chinese citizens (demand), and personal visits were carried out to collect data from OGD portals (supply).FindingsResults show that Chinese citizens have low awareness of OGD and OGD portals. Significant differences were recognized between citizens’ expectations and OGD portals development in OGD categories and features, data access services and support functions. Correlations were found between citizens’ OGD awareness, needs, access and consumption.Originality/valueBy linking the supply of OGD from the governments with each process of citizens’ OGD utilization, this paper proposes a framework for citizens’ OGD utilization lifecycle and provides a new tool to investigate reasons for citizens’ not making use of OGD.
目的开放政府数据(OGD)数量的增加与公民对OGD的接受和利用有限形成了鲜明对比。本研究通过比较公民对OGD的态度和OGD门户网站的发展,调查了公民不使用可用OGD的原因。比较包括文献中得出的四个OGD利用过程,即OGD意识、需求、获取和消费。设计/方法/方法在中国进行了一个案例研究。设计了一份社会学问卷来收集中国公民的数据(需求),并进行了个人访问来收集OGD门户网站的数据(供应)。结果表明,中国公民对OGD和OGD门户的认识较低。在OGD类别和功能、数据访问服务和支持功能方面,公民的期望与OGD门户开发之间存在显著差异。发现公民的OGD意识、需求、获取和消费之间存在相关性。独创性/价值通过将政府对OGD的供应与公民OGD使用的各个过程联系起来,提出了公民OGD利用生命周期的框架,并为调查公民不使用OGD的原因提供了一个新的工具。
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引用次数: 1
Exploring the economics of conversational search sessions 探索会话搜索会话的经济性
IF 2.6 3区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-04-11 DOI: 10.1108/ajim-08-2022-0368
Souvick Ghosh, Julie Gogoi, Kristen Chua
PurposeTurn-taking is beneficial to conversational search success, but the increase in turns and time can also increase the cognitive load of the user. Therefore, in this research paper, the authors view conversational search sessions through the lens of economic theory and use the economic models of search to analyze the various costs and benefits of information-seeking interactions.Design/methodology/approachFirst, the authors built a cost-benefit model for conversational search sessions by defining action types and performing an intellectual mapping of actual sessions into sequences of these actions (using thematic analyses). The authors used the hypothesized cost and benefit actions (obtained from the user-system dialogs), along with the number of turns, utterances and time-related parameters, to propose the mathematical model. Next, the authors tested the model empirically by comparing the model scores to the user satisfaction and task success scores (collected through questionnaires). By representing each session as a bag of actions, the authors developed linear regression models to predict task success and user satisfaction.FindingsThrough feature analysis and significance testing, the authors identify the different parameters that contribute significantly to user satisfaction and task success scores. Error analysis shows that the model predicts task success and user satisfaction reasonably well, with the average prediction error being 0.5 for both (on a 5-point scale).Originality/valueThe authors' research is an initial step toward building a mathematical model for predicting user satisfaction and task success in conversational search sessions.
目的转向有利于会话搜索的成功,但转向次数和时间的增加也会增加用户的认知负荷。因此,在本文中,作者从经济理论的角度看待会话搜索会话,并使用搜索的经济模型来分析信息寻求互动的各种成本和收益。设计/方法论/方法首先,作者通过定义行动类型并将实际会话智能映射为这些行动的序列(使用主题分析),为会话搜索会话建立了成本效益模型。作者使用假设的成本和收益行为(从用户系统对话框中获得),以及转弯次数、话语和时间相关参数,提出了数学模型。接下来,作者通过将模型得分与用户满意度和任务成功率得分(通过问卷收集)进行比较,对模型进行了实证测试。通过将每个会话表示为一袋行动,作者开发了线性回归模型来预测任务成功率和用户满意度。结果通过特征分析和显著性测试,作者确定了对用户满意度和任务成功分数有显著贡献的不同参数。误差分析表明,该模型对任务成功率和用户满意度的预测相当好,两者的平均预测误差均为0.5(5分制)。原创性/价值作者的研究是建立会话搜索会话中预测用户满意度和任务成功率的数学模型的第一步。
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引用次数: 0
Constructing cultural space and telling cultural stories: a case study of regional cultural heritage preservation in Shichahai, Beijing 构建文化空间讲文化故事——以北京什刹海区域文化遗产保护为例
IF 2.6 3区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-04-10 DOI: 10.1108/ajim-05-2022-0256
Xiaojuan Liu, Yinrong Pan, Yutong Han
PurposeThere is a wealth of value hidden in regional cultural heritage, but its preservation status is not optimistic. This study introduces a method that focuses on the inherent cultural value of regional cultural heritage to preserve it by value construction and release.Design/methodology/approachBased on the great value of regional cultural heritage due to spatial adjacency and temporal continuity, this paper focuses on its inherent cultural value to explore the preservation path and chooses Shichahai cultural heritage digital resources for a case study. This paper draws lessons from the narrative method of ancient Chinese historiography, constructs a cultural space and tells cultural stories. A linked data organization model for digital resources is created to construct a conceptual cultural space. Then, the space is materialized by linked dataset creation. The authors tell cultural stories discovered from the space, which are presented by various user interfaces using visualization technologies.FindingsA cultural space promotes the development of a fine-grained description of regional cultural heritage and aids in relationship discovery to enhance the value construction ability. Additionally, storytelling via interactive user interfaces is helpful in the utilization and dissemination of knowledge extracted from a cultural space and enhances the value release of regional cultural heritage. In this way, a path with the inherent cultural value of regional cultural heritage as the core is established, and preservation is achieved.Originality/valueThis study focuses on the inherent cultural value of regional cultural heritage and proposes a new path to preserve these resources. This approach will enrich research on the preservation of regional cultural heritage and contribute to the construction and release of its cultural value.
目的区域文化遗产蕴藏着丰富的价值,但其保存状况不容乐观。本研究介绍了一种关注区域文化遗产内在文化价值的方法,通过价值构建和释放来保护区域文化遗产。设计/方法论/方法基于区域文化遗产因空间相邻和时间连续而具有的巨大价值,本文着重探讨其内在文化价值的保存路径,并选取什刹海文化遗产数字资源进行案例研究。本文借鉴中国古代史学的叙事方法,构建文化空间,告诉文化故事。建立了数字资源的链接数据组织模型,构建了一个概念文化空间。然后,通过链接数据集的创建来具体化空间。作者讲述了从空间中发现的文化故事,这些故事通过使用可视化技术的各种用户界面呈现。发现文化空间促进了对区域文化遗产的细粒度描述的发展,并有助于关系发现,以增强价值构建能力。此外,通过互动用户界面讲故事有助于利用和传播从文化空间提取的知识,并促进区域文化遗产的价值释放。这样,就建立了一条以区域文化遗产固有文化价值为核心的路径,实现了保存。原创性/价值本研究关注区域文化遗产的内在文化价值,并提出了保护这些资源的新途径。这种方法将丰富对区域文化遗产保护的研究,并有助于其文化价值的构建和释放。
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引用次数: 0
Motivations for the initiation of knowledge management activities in times of routine and emergency 在日常和紧急情况下开展知识管理活动的动机
IF 2.6 3区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-03-30 DOI: 10.1108/ajim-10-2022-0458
Maayan Nakash, D. Bouhnik
PurposeThis research seeks to understand, for the first time, what motivates knowledge-intensive organizations (KIOs) to initiate knowledge management (KM) activities in times of routine and emergency. The COVID-19 pandemic was placed at the center as a case study of an extreme crisis.Design/methodology/approachBased on the adoption of the qualitative-constructivist paradigm, the study was conducted among 52 KM professionals through in-depth interviews and focus groups. The data were analyzed using a thematic analysis method, according to the principles of the grounded theory approach.FindingsThe findings reveal that opportunities and risks are two types of catalysts which accelerate KM efforts in times of routine and emergency respectively. Due to KM’s support of the transition to flexible employment during COVID-19, the authors show that this field experienced real growth and prosperity in the “new normal.” KM initiatives were promoted during the COVID-19 crisis in light of gaps in retention, sharing, accessibility and development of knowledge.Originality/valueGiven that knowledge risks are a field with fragmented understanding, the results contribute to understanding the importance of risk management related to knowledge in times of crises and turmoil. The authors call for incorporating this niche into the overall risk management of the organization, while adopting a holistic and long-term perspective of KM. Furthermore, the authors uncover KM’s position in KIOs during the global pandemic. The paper proposes food for thought regarding informal knowledge sharing in virtual environments typical of the “Corona routine”.
目的本研究首次试图了解知识密集型组织在日常和紧急情况下发起知识管理活动的动机。新冠肺炎大流行被置于中心,作为极端危机的案例研究。设计/方法论/方法基于定性建构主义范式,该研究通过深入访谈和焦点小组在52名知识管理专业人员中进行。根据扎根理论方法的原则,使用专题分析方法对数据进行分析。研究结果表明,机遇和风险是两种催化剂,分别在日常和紧急情况下加速知识管理工作。由于知识管理在新冠肺炎期间支持向灵活就业过渡,作者表明,该领域在“新常态”中经历了真正的增长和繁荣。在新冠肺炎危机期间,鉴于知识的保留、共享、可及性和发展方面的差距,知识管理举措得到了推动。原创性/价值鉴于知识风险是一个理解零散的领域,研究结果有助于理解在危机和动荡时期与知识相关的风险管理的重要性。作者呼吁将这一利基纳入组织的整体风险管理,同时对知识管理采取整体和长期的视角。此外,作者揭示了知识管理在全球疫情期间KIO中的地位。本文提出了在典型的“科罗纳常规”虚拟环境中进行非正式知识共享的思考。
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引用次数: 1
Understanding social media users' information avoidance intention: a C-A-C perspective 从C-a-C视角理解社交媒体用户的信息回避意图
IF 2.6 3区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-03-30 DOI: 10.1108/ajim-10-2022-0471
Tao Zhou, Yingying Xie
PurposeBased on the C-A-C framework, this article examined users' information avoidance intention in social media platforms.Design/methodology/approachThe authors conducted data analysis using a mixed method of the SEM and fsQCA.FindingsThe results indicated that information overload, functional overload and social overload influence fatigue and dissatisfaction, both of which further determine users' information avoidance intention. The results of the fsQCA identified two paths that trigger users' information avoidance intention.Originality/valueExtant studies have examined the information avoidance in the contexts of healthcare, academics and e-commerce, but have seldom explored the mechanism underlying users' information avoidance in social media. To fill this gap, this article will empirically investigate users' information avoidance in social media platforms based on the C-A-C framework.
目的基于C-A-C框架,考察用户在社交媒体平台上的信息回避意向。设计/方法/方法作者使用SEM和fsQCA.的混合方法进行了数据分析。结果表明,信息过载、功能过载和社交过载会影响疲劳和不满,这两者都进一步决定了用户的信息回避意图。fsQCA的结果确定了两条触发用户信息回避意图的路径。原创性/价值外部研究考察了医疗保健、学术和电子商务背景下的信息回避,但很少探讨用户在社交媒体中信息回避的潜在机制。为了填补这一空白,本文将基于C-A-C框架对社交媒体平台中用户的信息回避进行实证研究。
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引用次数: 0
Why do online reviewers seek anonymity? Empirical evidence on the effects of prior anonymous reviews and focal reviews 为什么在线评论者要匿名?先前匿名评论和焦点评论影响的经验证据
IF 2.6 3区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-03-30 DOI: 10.1108/ajim-08-2022-0369
Zhiyun Zhang, Ziqiong Zhang, Zili Zhang
PurposeOnline reviewers' identity information is an essential cue by which consumers judge reviews on ecommerce platforms. However, few studies have explored how prior anonymous reviews and focal reviews affect reviewers' preference for anonymity. The purpose of this paper is to investigate why reviewers seek anonymity in terms of prior anonymous reviews and focal reviews.Design/methodology/approachBased on restaurant reviews collected from meituan.com, one of the largest group-buying ecommerce platforms in China, this study employed logistic regression to examine how prior anonymous reviews and focal reviews are associated with reviewers' preference for anonymity.FindingsResults show that the volume and sequence of prior anonymous review are positively associated with the likelihood of reviewers' preference for anonymity, whereas focal review valence is negatively correlated with this preference. Focal review length is positively correlated with reviewers' preference for anonymity but negatively moderates the roles of review valence and prior anonymous reviews on this preference.Originality/valueThis study expands the information disclosure literature by exploring determinants of user identity disclosure from a reviewer perspective. This research also offers a methodological contribution by employing a more accurate measure to calculate reviewers' preference for anonymity, enhancing the empirical results. Lastly, this work supplements the online review literature on how prior anonymous reviews and focal reviews are associated with reviewers' identity disclosure.
目的在线评论人的身份信息是消费者判断电子商务平台评论的重要线索。然而,很少有研究探讨先前的匿名评论和焦点评论如何影响评论者的匿名偏好。本文的目的是从先前的匿名评论和焦点评论的角度来调查评论家为什么寻求匿名。设计/方法论/方法基于从中国最大的团购电子商务平台之一美团网收集的餐厅评论,本研究采用逻辑回归来检验先前的匿名评论和焦点评论如何与评论者的匿名偏好相关联。研究结果表明,先前匿名评论的数量和顺序与评论者偏好匿名的可能性呈正相关,而焦点评论的效价与这种偏好呈负相关。焦点评论长度与评论人对匿名的偏好呈正相关,但对评论效价和先前匿名评论在这一偏好上的作用起到负调节作用。原创性/价值本研究通过从审查者的角度探讨用户身份披露的决定因素,扩展了信息披露文献。这项研究还通过采用更准确的测量方法来计算评审员对匿名的偏好,从而增强了实证结果,从而为方法论做出了贡献。最后,这项工作补充了关于先前匿名评论和焦点评论如何与审查者身份披露相关的在线审查文献。
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引用次数: 0
Who and what messages are more suitable for health ads: the combined influence of endorsers and message framing on visual attention and ad effectiveness 谁和什么信息更适合健康广告:代言人和信息框架对视觉注意力和广告效果的综合影响
IF 2.6 3区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-03-10 DOI: 10.1108/ajim-03-2022-0108
Chiung-Wen Hsu
PurposeThe author examined effects of endorser type and message framing on visual attention and ad effectiveness in health ads, including the moderator of involvement. This paper aims to discuss this issue.Design/methodology/approachAn experiment was conducted with a 2 (celebrity vs. expert) × 2 (positive vs. negative framing) between-subject factorial design. Eye-tracking measured visual attention and a questionnaire measured ad effectiveness and product involvement.FindingsExperimental data from 78 responses showed no vampire effect in the health advertisements. Celebrity endorsement with negative message framing received more attention and had less ad recall than that with positive message framing. Negative and positive message framing attracted the same amount of attention and ad recall in the expert endorsement condition. High involvement participants paid more attention to the ad message with the expert than that with the celebrity, but ad recall was not significantly increased. Low involvement participants exhibited the same attention to the ad message with the expert and with the celebrity, but had greater recall of the ad message with the expert. Visual attention to the endorser was associated with ad attitude but not with ad recall. Ad attitude impacted behavioral intention.Originality/valueStudies examining influences of celebrity and message framing on ad effectiveness have focused on the response to advertising stimuli, not the information process. The author provides empirical evidence of the viewers' information processing of endorsers and health messages, and its relationship with ad effectiveness. The study contributes to the literature by combining endorser and message framing in health ads to promote public health communication from the information processing perspective.
目的探讨广告主体类型和信息框架对健康广告视觉注意和广告效果的影响,包括涉入调节因子。本文旨在对这一问题进行探讨。设计/方法/方法采用2(名人与专家)× 2(积极与消极框架)受试者间因子设计进行实验。眼球追踪测量视觉注意力,问卷调查测量广告效果和产品参与。来自78个回应的实验数据显示,健康广告没有吸血鬼效应。负面信息框架下的名人代言比正面信息框架下的名人代言获得了更多的关注和更少的广告回忆。在专家认可条件下,消极信息框架和积极信息框架吸引了相同数量的注意力和广告回忆。高参与的被试对专家的广告信息比名人的广告信息更关注,但广告回忆并没有显著增加。低参与度的参与者对专家和名人的广告信息表现出同样的关注,但对专家的广告信息有更大的回忆。对代言人的视觉关注与广告态度有关,但与广告回忆无关。广告态度影响行为意向。独创性/价值研究名人和信息框架对广告效果的影响主要集中在对广告刺激的反应上,而不是信息过程。作者提供了观众对代言人和健康信息的信息加工及其与广告效果的关系的实证证据。本研究从信息加工的角度,将健康广告中的代言人与信息框架相结合,以促进公众健康传播。
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引用次数: 0
A prediction model of users' attention transfer in the context of multitopic competition 多话题竞争环境下用户注意力转移的预测模型
IF 2.6 3区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2023-03-06 DOI: 10.1108/ajim-04-2022-0170
Lu An, Yan Shen, Gang Li, Chuanming Yu
PurposeMultiple topics often exist on social media platforms that compete for users' attention. To explore how users’ attention transfers in the context of multitopic competition can help us understand the development pattern of the public attention.Design/methodology/approachThis study proposes the prediction model for the attention transfer behavior of social media users in the context of multitopic competition and reveals the important influencing factors of users' attention transfer. Microblogging features are selected from the dimensions of users, time, topics and competitiveness. The microblogging posts on eight topic categories from Sina Weibo, the most popular microblogging platform in China, are used for empirical analysis. A novel indicator named transfer tendency of a feature value is proposed to identify the important factors for attention transfer.FindingsThe accuracy of the prediction model based on Light GBM reaches 91%. It is found that user features are the most important for the attention transfer of microblogging users among all the features. The conditions of attention transfer in all aspects are also revealed.Originality/valueThe findings can help governments and enterprises understand the competition mechanism among multiple topics and improve their ability to cope with public opinions in the complex environment.
目的社交媒体平台上经常存在争夺用户注意力的多个话题。探讨多话题竞争背景下用户的注意力如何转移,有助于我们理解公众注意力的发展模式。设计/方法论/方法本研究提出了多话题竞争背景下社交媒体用户注意力转移行为的预测模型,揭示了用户注意力转移的重要影响因素。微博特色从用户、时间、话题、竞争力等维度进行选择。利用中国最受欢迎的微博平台新浪微博的八个话题类别的微博帖子进行实证分析。为了识别注意力转移的重要因素,提出了一种新的指标——特征值的转移趋势。结果基于Light GBM的预测模型准确率达到91%。研究发现,在所有特征中,用户特征对微博用户的注意力转移最为重要。还揭示了注意力转移的各方面条件。原创性/价值研究结果可以帮助政府和企业了解多个主题之间的竞争机制,提高他们在复杂环境中应对公众意见的能力。
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引用次数: 0
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Aslib Journal of Information Management
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