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Automatic Product Region Extraction based on analysis of Images Uploaded to C2C Online Market 基于C2C在线市场图片分析的产品区域自动提取
IF 2.9 4区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2020-07-13 DOI: 10.1080/10919392.2020.1788359
Takuya Futagami, N. Hayasaka
ABSTRACT Consumer-to-consumer (C2C) online market places have become popular. Several C2C online market places adopt product recognition from uploaded images representing the current state of the products to aid in the entering of product information for creating listing pages. To improve recognition accuracy, it is important for extracting product regions from product images as a pre-processing for recognition. Given these circumstances, this study proposes a method of extracting product regions from images used in C2C online market places. We analyzed product images for effective product extraction and developed the proposed method using the region-growing algorithm and GrabCut segmentation algorithm based on these analysis results. To generate initial seeds for GrabCut, the proposed method specifies image-border areas as background areas based on the analysis results and applies the region-growing algorithm to the specified background areas. To evaluate the effectiveness of the proposed method, we compared its extraction accuracy and computational time with those of a conventional method using 412 product images, including 341 actual images. The proposed method was effective in both extraction accuracy (20.3% improvement rate) and computational time (76.7% reduction) compared with the conventional method. Compared with the conventional method, the proposed method increased the extraction accuracy for all the product categories from sellers. Therefore, the effectiveness of the proposed method can be observed for several product images. Furthermore, we confirmed that each process of the proposed method is necessary for improving the extraction accuracy.
消费者对消费者(C2C)在线市场已经变得流行起来。一些C2C在线市场通过上传代表产品当前状态的图像来识别产品,以帮助输入产品信息以创建列表页面。为了提高识别精度,从产品图像中提取产品区域作为识别的预处理非常重要。鉴于这些情况,本研究提出了一种从C2C在线市场使用的图像中提取产品区域的方法。为了有效地提取产品图像,我们对产品图像进行了分析,并在此基础上提出了基于区域增长算法和GrabCut分割算法的产品图像提取方法。为了生成GrabCut的初始种子,该方法根据分析结果将图像边缘区域指定为背景区域,并对指定的背景区域应用区域生长算法。为了评估该方法的有效性,我们使用了412张产品图像,其中包括341张实际图像,将其提取精度和计算时间与传统方法进行了比较。与传统方法相比,该方法的提取精度提高了20.3%,计算时间减少了76.7%。与传统方法相比,该方法提高了对卖家所有产品类别的提取精度。因此,该方法的有效性可以在多个产品图像中观察到。此外,我们证实了该方法的每个步骤都是提高提取精度所必需的。
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引用次数: 1
Institutional Isomorphism in Organizational Cybersecurity: A Text Analytics Approach 组织网络安全中的制度同构:一种文本分析方法
IF 2.9 4区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2020-06-11 DOI: 10.1080/10919392.2020.1776033
A. Jeyaraj, A. Zadeh
ABSTRACT This research examines how organizational cybersecurity responses become isomorphic over time. Drawing on institutional theory, this study theorizes that mimetic pressures, normative pressures, and coercive pressures impact cybersecurity responses. Using the textual data gathered from the annual 10-K reports published by 87 large organizations and their competitors, topic modeling was employed to assess the cybersecurity responses and institutional pressures. Linear regression was applied to the resultant topic weights. Findings show that mimetic pressures were significant over time while coercive pressures were significant in the near-term and normative pressures were significant in the long-term. Implications for research and practice are discussed.
摘要本研究考察了组织网络安全响应如何随着时间的推移而同构。本研究借鉴制度理论,认为模仿压力、规范压力和强制压力会影响网络安全反应。利用从87家大型组织及其竞争对手发布的年度10-K报告中收集的文本数据,采用主题建模来评估网络安全反应和机构压力。将线性回归应用于生成的主题权重。研究结果表明,模仿压力随着时间的推移而显著,而胁迫压力在短期内显著,规范压力在长期内显著。讨论了对研究和实践的启示。
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引用次数: 15
Emergence phenomena in self-organizing systems: a systematic literature review of concepts, researches, and future prospects 自组织系统中的涌现现象:概念、研究和未来展望的系统文献综述
IF 2.9 4区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2020-05-20 DOI: 10.1080/10919392.2020.1748977
Somayeh Kalantari, E. Nazemi, B. Masoumi
ABSTRACT Context Today, we are facing the growing development of distributed systems which their vast scale has challenged their centralized management. Therefore, many researchers design these systems as self-organizing. After implementing self-organizing systems, new behaviors known as emergence form at a global level of the system. Objective The purpose of this paper is to study the concept of emergence in various natural and artificial systems, categorize research activities, identify research pathways of emergence in computer science, and shed light on future research directions. Method In this paper, for a systematic literature review, numerous articles regarding emergence phenomena in self-organizing systems are studied and investigated. Result Emergence is one of the issues that has attracted the attention of researchers these days. In this paper, concerning nine research questions, 180 research papers are studied. In addition to exploring definitions and features of emergence, a variety of research interests has been found, including studies on why and how to identify, measure, validate, predict, model, simulate, and control emergence. Conclusion This study shows that much research had been done not only in computer science but also in other sciences on emergence. In addition to a need to provide new methods, based on various technologies, for identifying, measuring, verifying, modeling, simulating, predicting, and controlling emergence in future research, there is a lack of work regarding many issues on emergence.
摘要背景今天,我们面临着分布式系统的不断发展,其庞大的规模对其集中式管理提出了挑战。因此,许多研究人员将这些系统设计为自组织系统。在实现自组织系统之后,被称为涌现的新行为在系统的全局级别上形成。目的研究各种自然和人工系统中的涌现概念,对研究活动进行分类,确定计算机科学中涌现的研究途径,并为未来的研究方向提供参考。方法本文对自组织系统中的涌现现象进行了系统的文献综述。结果突发事件是近年来引起研究者关注的问题之一。本文共研究了180篇论文,涉及9个研究问题。除了探索涌现的定义和特征外,还发现了各种研究兴趣,包括研究为什么以及如何识别、测量、验证、预测、建模、模拟和控制涌现。结论这项研究表明,不仅在计算机科学领域,而且在其他科学领域都对其产生进行了大量的研究。除了需要在未来的研究中提供基于各种技术的新方法来识别、测量、验证、建模、模拟、预测和控制涌现之外,还缺乏关于涌现的许多问题的工作。
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引用次数: 18
Impact of Customer’s Social Value on Optimizing Referral Reward Programs 顾客社会价值对推荐奖励方案优化的影响
IF 2.9 4区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2020-05-13 DOI: 10.1080/10919392.2020.1761750
Fenfen Jiang, Shue Mei, Weijun Zhong
ABSTRACT With the popularity of social media, firms are prone to relying on the existing customers’ social contacts to acquire new customers. Referral reward programs (RRPs) have become one of the most effective methods. We highlight social motives for customer referrals and assume that the customer can obtain both firm-offered rewards and psychological intangible rewards named social value from his successful referral. Then we explore the impact of social value on firms’ optimal referral reward structure by comparing the equilibriums of two nested Stackelberg games among a firm, a sender (existing customer), and a receiver (new customer). One of the games ignores the sender’s social value, while the other one considers the impact of the sender’s social value. Firstly, we give the applicable conditions for using RRPs, and show that the sender’s social value helps the firm avoid excessive rewards by sharing the rewards burden. We also find that the firm’s optimal reward structure shifts away from rewarding the sender toward rewarding the receiver or forsaking the reward programs when the firm takes the sender’s social value into account. Considering the conditions under which the firm should use reward programs, the optimal reward structure is closely related to the tie-strength between the two customers. Concretely, when the tie-strength is weak, the firm tends to reward the sender more; conversely, the firm tends to reward the receiver more.
摘要随着社交媒体的普及,企业倾向于依靠现有客户的社交联系来获取新客户。推荐奖励计划(RRP)已成为最有效的方法之一。我们强调了客户推荐的社会动机,并假设客户可以从成功的推荐中获得公司提供的奖励和名为社会价值的心理无形奖励。然后,我们通过比较企业、发送者(现有客户)和接收者(新客户)之间的两个嵌套Stackelberg博弈的平衡,探讨了社会价值对企业最优推荐奖励结构的影响。其中一个游戏忽略了发送者的社会价值,而另一个则考虑了发送者社会价值的影响。首先,我们给出了使用RRP的适用条件,并表明发送者的社会价值通过分担奖励负担来帮助企业避免过度奖励。我们还发现,当公司考虑到发送者的社会价值时,公司的最佳奖励结构从奖励发送者转向奖励接收者或放弃奖励计划。考虑到企业应该使用奖励计划的条件,最优的奖励结构与两个客户之间的联系强度密切相关。具体地说,当联系强度较弱时,公司倾向于奖励发送者更多;相反,公司倾向于给接受者更多的报酬。
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引用次数: 6
Implementing A Sales Support app to Complement Face-to-Face Interaction: An Empirical Investigation of Business Value 实施销售支持应用程序以补充面对面的互动:商业价值的实证调查
IF 2.9 4区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2020-04-14 DOI: 10.1080/10919392.2020.1750932
Michal Levi-Bliech, N. Pliskin, L. Fink
ABSTRACT Implementing a mobile application (app) to facilitate electronic commerce and to enhance interaction with customers is quite common in contemporary organizations, and research has shed light on the business value of implementing such apps. However, only few empirical studies have explored the business value of implementing an app that supports, rather than substitutes, face-to-face interaction with customers. This study empirically explores and documents the impact of implementing a sales support app that complements face-to-face interaction of a salesperson with a customer in the process of purchasing a new car. Two consecutive periods were compared, before (conventional process) and after (innovative process) app implementation. The results confirmed that the sales support app added business value to the implementing organization via increased visits (although virtual rather than physical) and car purchases. Yet, app visits increased relatively more than purchases did, resulting in an expected decrease in conversion rate.
在当代组织中,实施移动应用程序(app)来促进电子商务并增强与客户的互动是相当普遍的,研究揭示了实施此类应用程序的商业价值。然而,只有少数实证研究探索了实施一款支持而不是替代客户面对面互动的应用程序的商业价值。本研究实证地探索并记录了销售支持应用程序的影响,该应用程序补充了销售人员与客户在购买新车过程中的面对面互动。比较应用程序实施前(常规流程)和实施后(创新流程)两个连续的时间段。结果证实,销售支持应用程序通过增加访问量(尽管是虚拟的而不是实体的)和汽车购买,为实施组织增加了商业价值。然而,应用访问量的增长相对大于购买量的增长,这导致了预期的转化率下降。
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引用次数: 1
E-Commerce User Type Recognition Based on Access Sequence Similarity 基于访问序列相似度的电子商务用户类型识别
IF 2.9 4区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2020-04-09 DOI: 10.1080/10919392.2020.1742552
Xiaodong Qian, Min Li
ABSTRACT In order to measure the similarity of non-equal length and non-numerical sequence effectively, in this paper, the access sequence similarity calculation method was proposed based on the characteristics of e-commerce user access sequence. The sliding window method was improved by increasing the similarity calculation of nodes and optimizing the sliding similarity calculation method. The key factor of Edit Distance on Real Sequences was optimized. It mainly includes the calculation method of increasing the similarity of nodes and optimizing the calculation method of sliding similarity; the calculation method of subcost in the editing distance of real sequences is optimized. Then, the optimized Edit Distance on Real Sequences was embedded into the improved sliding window method to replace the original distance calculation method. Based on the access sequence similarity calculation results, the clustering algorithm was used to get the e-commerce users type. The experimental results showed the following facts: The improved access sequence similarity algorithm can measure the similarity of non-numerical and non-equal length sequences more accurately; based on the similarity of access sequences, it is possible to divide the types of e-commerce users more effectively, besides the e-commerce users are mainly composed of young men, users’ online time shows obvious fragmentation characteristics, their online browsing behavior obeys long tail distribution, they still primarily buy hot items, and the e-commerce users can be divided into six categories.
摘要为了有效地测量非等长非数字序列的相似性,本文根据电子商务用户访问序列的特点,提出了访问序列相似性计算方法。通过增加节点的相似性计算和优化滑动相似性计算方法,对滑动窗口方法进行了改进。对实序列编辑距离的关键因素进行了优化。主要包括增加节点相似度的计算方法和优化滑动相似度的计算方式;优化了实序列编辑距离中子成本的计算方法。然后,将优化后的真实序列编辑距离嵌入到改进的滑动窗口方法中,以取代原来的距离计算方法。基于访问序列相似度计算结果,采用聚类算法得到电子商务用户类型。实验结果表明:改进的访问序列相似性算法可以更准确地测量非数值和非等长序列的相似性;基于访问序列的相似性,可以更有效地划分电子商务用户的类型,除了电子商务用户主要由年轻男性组成外,用户的在线时间呈现出明显的碎片化特征,他们的在线浏览行为服从长尾分布,他们仍然主要购买热门商品,电子商务用户可以分为六类。
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引用次数: 2
Achieving customers’ repurchase intention through stimuli and site attachment 通过刺激和现场依恋实现顾客的再购买意愿
IF 2.9 4区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2020-03-22 DOI: 10.1080/10919392.2020.1739395
J. Prodanova, Sonia San Martín Gutiérrez, Nadia H. Jiménez
ABSTRACT Despite its widespread use as a purchase channel, the Internet still provokes consumer concerns when it comes to the acquisition of high-involvement services, such as travel. This study, therefore, explores customers’ intentions to repeat their online travel purchases, depending on the level of attachment they develop with a website, as is driven by high- and low-task relevant website characteristics. With an innovative, electronic Stimulus–Organism–Response model that introduces a new site attachment variable, this study reveals that, among experienced online travel purchasers, service quality, security and privacy issues, and entertainment all function as stimuli to incite affective, cognitive, and social activity and thereby enhance site attachment. This site attachment, in turn, evokes beneficial customers’ responses, in the form of increased intentions to purchase travel services online again. With this distinctive approach to observing customers’ reactions to and interaction with websites, this study establishes several strategic implications that can help companies enhance their service features and provision, as well as ensure lasting relationships with their customers.
摘要尽管互联网作为一种购买渠道被广泛使用,但当涉及到旅游等高参与度服务时,它仍然会引起消费者的担忧。因此,这项研究探讨了客户重复在线旅行购买的意图,这取决于他们对网站的依恋程度,这是由高任务和低任务相关的网站特征驱动的。通过一个创新的电子刺激-有机体-反应模型,引入了一个新的网站依恋变量,本研究表明,在经验丰富的在线旅游购买者中,服务质量、安全和隐私问题以及娱乐都是刺激情感、认知和社会活动的因素,从而增强网站依恋。这种网站附件反过来又唤起了有益客户的反应,表现为再次在线购买旅游服务的意愿增加。通过这种独特的方法来观察客户对网站的反应和与网站的互动,本研究确立了几个战略意义,可以帮助公司增强其服务功能和提供,并确保与客户的持久关系。
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引用次数: 11
Link prediction combining network structure and topic distribution in large-scale directed network 大型有向网络中结合网络结构和主题分布的链路预测
IF 2.9 4区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2020-03-16 DOI: 10.1080/10919392.2020.1736466
Yingqiu Zhu, Danyang Huang, W. Xu, Bo Zhang
ABSTRACT Link prediction is one of the most important personalized services in social network platforms. The key point is to predict the probability of the existence of a link between two nodes based on various information in the network. This article combines information of the network structure with the user-generated contents. We propose link prediction indices based on both network structure and topic distribution (NSTD). In contrast to previous literatures, this approach makes full use of the network characteristics, such as homophily, transitivity, clustering, and degree heterogeneity. And we combine these characteristics with topic similarity when constructing indices based on both directly and indirectly connected nodes. Experiment results demonstrate that the proposed method outperforms the previous methods.
链接预测是社交网络平台中最重要的个性化服务之一。关键是根据网络中的各种信息,预测两个节点之间存在链路的概率。本文将网络结构信息与用户生成内容相结合。提出了基于网络结构和主题分布(NSTD)的链接预测指标。与以往文献相比,该方法充分利用了网络的同质性、及物性、聚类性和程度异质性等特征。在构建基于直接和间接连接节点的索引时,我们将这些特征与主题相似度结合起来。实验结果表明,该方法优于以往的方法。
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引用次数: 3
Connecting the Role of the Information Technology Function to its Contribution to the Organization 将信息技术职能的作用与其对组织的贡献联系起来
IF 2.9 4区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2020-03-12 DOI: 10.1080/10919392.2020.1738203
Nicholas H. Roberts, Jennifer E. Gerow
ABSTRACT We investigate whether the information technology (IT) function’s competence and role affect organizational ambidexterity. We first hypothesize that IT function competence is positively related to organizational ambidexterity. Following this, we suggest that the role of the IT function moderates the aforementioned relationship. We test our hypotheses with a matched pair sample of business managers and IT managers. Our results show that IT function competence positively influences organizational ambidexterity. Furthermore, this relationship is stronger when the IT function aims to be an active business partner or aims to reduce architectural complexity. Our study contributes to research on the IT function and IT value.
摘要我们研究了信息技术职能的能力和角色是否影响组织的双重灵活性。我们首先假设信息技术职能能力与组织二元性呈正相关。在此之后,我们建议IT职能部门的作用调节上述关系。我们用业务经理和IT经理的配对样本来检验我们的假设。我们的研究结果表明,信息技术职能能力对组织二元性有正向影响。此外,当IT部门的目标是成为一个活跃的业务合作伙伴或旨在降低体系结构复杂性时,这种关系会更加牢固。我们的研究有助于研究信息技术的功能和价值。
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引用次数: 1
Bringing the Best Actionable Insights on Cybersecurity: A Call for Papers 为网络安全带来最佳可操作的见解:论文征集
IF 2.9 4区 管理学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2020-02-18 DOI: 10.1080/10919392.2020.1723957
Dave Chatterjee
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引用次数: 0
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Journal of Organizational Computing and Electronic Commerce
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