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Improving stock market prediction accuracy using sentiment and technical analysis 利用情感和技术分析提高股市预测准确性
IF 3.9 4区 管理学 Q2 BUSINESS Pub Date : 2024-06-26 DOI: 10.1007/s10660-024-09874-x
Shubham Agrawal, Nitin Kumar, Geetanjali Rathee, Chaker Abdelaziz Kerrache, Carlos T. Calafate, Muhammad Bilal

The utilization of sentiment analysis as a method for predicting stock market trends has gained significant attention recently, especially during economic crises. This research aims to assess the predictive accuracy of sentiment analysis in the stock market by constructing a reinforced model that integrates both sentiment and technical analysis. While prior studies have concentrated on social media sentiment for stock price prediction, this research introduces an enhanced model that combines sentiment analysis with technical indicators to improve the precision of stock market prediction. The study creates and evaluates predictive models for stock prices and trends using a substantial dataset of tweets from twenty prominent companies. Finally the re-enforced model has been developed and tested on the stock prices of: Apple, General Electric, Ford Motors and Amazon. The deliberate selection of these companies, each representing distinct industry sectors, serves a dual purpose. It not only facilitates a practical evaluation of our model across diverse market conditions but also ensures computational feasibility, allowing for a focused and detailed analysis of the model’s predictive accuracy and reliability in various economic landscapes. The study’s outcomes offer valuable insights into the effectiveness of the reinforced model, which combines sentiment and technical analysis to predict stock market movements, providing a more comprehensive approach to understanding market sentiment’s influence on stock prices. Furthermore, these findings contribute to the existing knowledge on stock market prediction techniques and emphasize the importance of considering multiple factors in decision-making.

情感分析作为一种预测股市趋势的方法,近来受到了广泛关注,尤其是在经济危机期间。本研究旨在通过构建一个将情感分析和技术分析相结合的强化模型,评估情感分析在股市中的预测准确性。之前的研究主要集中在社交媒体情绪对股价的预测上,而本研究则引入了一个将情绪分析与技术指标相结合的增强模型,以提高股市预测的准确性。本研究利用二十家著名公司的大量推文数据集,创建并评估了股票价格和趋势预测模型。最后,开发了强化模型,并对以下公司的股票价格进行了测试:苹果、通用电气、福特汽车和亚马逊。特意选择这些代表不同行业领域的公司有双重目的。它不仅有助于在不同的市场条件下对我们的模型进行实际评估,还确保了计算的可行性,从而可以对模型在不同经济环境下的预测准确性和可靠性进行有针对性的详细分析。研究结果为强化模型的有效性提供了宝贵的见解,该模型结合了情绪分析和技术分析来预测股市走势,为理解市场情绪对股票价格的影响提供了一种更全面的方法。此外,这些研究结果有助于丰富现有的股市预测技术知识,并强调了在决策过程中考虑多种因素的重要性。
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引用次数: 0
Beware of the Woozle effect and belief perseverance in the PLS-SEM literature! 警惕 Woozle 效应和 PLS-SEM 文献中的信念坚持!
IF 3.9 4区 管理学 Q2 BUSINESS Pub Date : 2024-06-25 DOI: 10.1007/s10660-024-09849-y
Jörg Henseler, Nick Lee, Ellen Roemer, Ildikó Kemény, Taşkın Dirsehan, John W. Cadogan

Partial least squares structural equation modeling (PLS-SEM) is a popular method of data analysis in marketing, information systems research, and related fields. Unfortunately, the literature on PLS-SEM contains a number of misstatements that ascribe characteristics to PLS-SEM that it does not possess. In our study, we consider why these misstatements continue to be made and reinforced. We show how inaccuracies, omissions, repetitions of past misconceptions, and the introduction of additional misconceptions lead to the so-called Woozle effect. As an example, we use perhaps the most serious misconception about PLS-SEM namely its alleged suitability for estimating the parameters of reflective measurement models. The Woozle effect is a cumulative process by which falsehoods become established as fact, and the self-correcting mechanisms of science are suspended. Through a literature review, we identify a number of factors that are likely to have contributed to the Woozle effect in the PLS-SEM literature. For the Woozle effect to disappear, researchers need to acknowledge that PLS-SEM, in its current incarnation, is not suitable for scientific work with reflective measurement models.

偏最小二乘结构方程模型(PLS-SEM)是市场营销、信息系统研究及相关领域常用的数据分析方法。遗憾的是,关于 PLS-SEM 的文献中存在许多错误的说法,将 PLS-SEM 所不具备的特点归结为 PLS-SEM。在我们的研究中,我们考虑了为什么这些错误陈述会继续出现并得到强化。我们展示了不准确、遗漏、重复过去的误解以及引入更多误解是如何导致所谓的 Woozle 效应的。作为一个例子,我们使用了可能是对 PLS-SEM 最严重的误解,即所谓的 PLS-SEM 适用于估计反映测量模型的参数。Woozle 效应是一个累积过程,通过这个过程,谬误被确立为事实,科学的自我纠正机制被中止。通过文献综述,我们发现了 PLS-SEM 文献中可能导致 Woozle 效应的一些因素。要想让伍兹勒效应消失,研究人员就必须承认,目前的 PLS-SEM 并不适合使用反思性测量模型进行科学研究。
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引用次数: 0
Competitive coupon promotions: a theory-based model for online retail platforms and third-party sellers 竞争性优惠券促销:基于理论的在线零售平台和第三方卖家模型
IF 3.9 4区 管理学 Q2 BUSINESS Pub Date : 2024-06-23 DOI: 10.1007/s10660-024-09864-z
Zonghuo Li, Peter T. L. Popkowski Leszczyc

In the realm of online retail, third-party sellers (TPSs) are progressively being permitted to offer their products on various platforms, often in exchange for a commission fee. This dynamic creates a natural competitive environment between the platforms and the TPSs. An increasingly prevalent strategy to enhance product competitiveness is the utilization of coupon promotions, which both platforms and TPSs have adopted. This study developed a theoretical model to study the dynamics of a retail system wherein an online platform facilitates the sale of products by a TPS, while simultaneously introducing products of differing quality levels. Four distinct promotion scenarios, based on whether the platform and TPS implement coupon offerings, are examined. The analysis outcomes reveal that coupon promotions initiated by both the platform and TPS result in reduced actual payments from consumers, particularly when the platform’s product holds a quality advantage. Surprisingly, in cases where the TPS’s product boasts a quality advantage, consumer actual payments may be higher in a promotion scenario compared to a non-promotional one. Furthermore, we demonstrate that the platform can leverage the TPS’s promotion efforts, particularly when commission fees and incremental purchases are on the higher side. Intriguingly, in situations where the TPS’s product holds a quality advantage, a co-promotion strategy, as opposed to a sole TPS-promotion approach, emerges as the optimal choice, especially when commission fees are substantial and incremental purchases are limited.

在网络零售领域,第三方卖家(TPS)逐渐被允许在各种平台上提供产品,通常是为了换取佣金。这种态势在平台和 TPS 之间形成了一种自然的竞争环境。为提高产品竞争力,一种日益普遍的策略是利用优惠券促销,平台和 TPS 都采用了这种策略。本研究建立了一个理论模型来研究一个零售系统的动态,在这个系统中,在线平台为 TPS 的产品销售提供便利,同时引入不同质量水平的产品。根据平台和 TPS 是否实施优惠券促销,研究了四种不同的促销方案。分析结果表明,平台和 TPS 发起的优惠券促销活动都会导致消费者实际支付的减少,尤其是当平台的产品具有质量优势时。令人惊讶的是,在 TPS 的产品具有质量优势的情况下,与非促销相比,促销情况下消费者的实际支付可能会更高。此外,我们还证明了平台可以利用 TPS 的促销努力,尤其是当佣金费用和增量购买偏高时。耐人寻味的是,在 TPS 的产品具有质量优势的情况下,联合促销策略(而非 TPS 单独促销方法)成为最佳选择,尤其是在佣金费用可观且增量购买有限的情况下。
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引用次数: 0
AI in fashion: a literature review 时尚界的人工智能:文献综述
IF 3.9 4区 管理学 Q2 BUSINESS Pub Date : 2024-06-19 DOI: 10.1007/s10660-024-09872-z
Elias Kouslis, Evridiki Papachristou, Thanos G. Stavropoulos, Anastasios Papazoglou Chalikias, Elisavet Chatzilari, Spiros Nikolopoulos, Ioannis Kompatsiaris

Artificial Intelligence (AI) has a growing influence in the fashion industry. In this review study, the focal points of research in AI in the context of fashion are showcased. This is achieved by quantifying the amount of research conducted in this area. Various insights, that could be useful for future studies are also provided. For each included study, the particular objective, that AI is tasked to achieve, is identified, as well as the methods and evaluation metrics that have been utilized in order to do so. A potential question which is also answered through this study, is which fashion items are targeted by researchers. Lastly, information about the utilized datasets is provided.

人工智能(AI)对时尚产业的影响与日俱增。在本综述研究中,展示了时尚领域人工智能研究的焦点。为此,我们对该领域的研究数量进行了量化。此外,还提供了对未来研究有用的各种见解。每项研究都确定了人工智能要实现的特定目标,以及实现目标所采用的方法和评估指标。本研究还回答了一个潜在问题,即研究人员以哪些时尚产品为目标。最后,还提供了有关所使用数据集的信息。
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引用次数: 0
The complexity of the APP competition model with bounded rationality in platform ecosystem 平台生态系统中有界理性的 APP 竞争模型的复杂性
IF 3.9 4区 管理学 Q2 BUSINESS Pub Date : 2024-06-04 DOI: 10.1007/s10660-024-09868-9
Jianli Xiao, Hanli Xiao, Changrong Li

The Internet platform encompasses an array of software components, including mobile operating systems, transportation services, and social media networks, which synergistically form the foundation of the platform ecosystem. In this study, we have created a dynamic model that explores the competition between in-house applications (IHA) and third-party applications (TPA) within the platform ecosystem, which includes a single platform and APP developer. By utilizing simulation techniques on the dynamic model, we have identified notable factors that impact the stability of the APP competition system, including: the adjustment speed of IHA, APP heterogeneity, and TPA fees. Our findings are as follows: (1) A higher adjustment speed of IHA leads to increased system instability, resulting in a chaotic state and reduced profitability for both IHA and TPA. (2) We discovered that APP competition systems with either high or low APP heterogeneity are more prone to instability. (3) In relation to TPA fees, higher fees tend to foster greater instability within the platform ecosystem, while also increasing IHA profits. (4) We incorporate the time-delayed feedback control(TDFC) method to regulate intricate phenomena. In periods of instability, the utilization of the TDFC method can significantly mitigate the instability.

互联网平台包含一系列软件组件,包括移动操作系统、交通服务和社交媒体网络,它们协同构成了平台生态系统的基础。在本研究中,我们创建了一个动态模型,探讨平台生态系统中内部应用程序(IHA)和第三方应用程序(TPA)之间的竞争。通过利用动态模型的模拟技术,我们发现了影响 APP 竞争体系稳定性的显著因素,包括:IHA 的调整速度、APP 的异质性和 TPA 费用。我们的研究结果如下:(1) IHA 的调整速度越快,系统的不稳定性就越大,导致 IHA 和 TPA 都处于混乱状态,盈利能力下降。(2)我们发现,APP异质性较高或较低的APP竞争系统更容易出现不稳定。(3)就 TPA 费用而言,较高的费用往往会加剧平台生态系统的不稳定性,同时也会增加 IHA 的利润。(4) 我们采用延时反馈控制(TDFC)方法来调节错综复杂的现象。在不稳定时期,使用 TDFC 方法可以大大缓解不稳定性。
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引用次数: 0
Board characteristics and cybersecurity disclosure: evidence from the UK 董事会特征与网络安全披露:来自英国的证据
IF 3.9 4区 管理学 Q2 BUSINESS Pub Date : 2024-06-04 DOI: 10.1007/s10660-024-09867-w
Ahmad Yuosef Alodat, Yunhong Hao, Haitham Nobanee, Hazem Ali, Marwan Mansour, Hamzeh Al Amosh

The purpose of this study is to explore the influence of board of directors characteristics on the cybersecurity disclosure (CSD) of firms listed on the London Stock Exchange. The current study used an empirical approach to data collection and analysis. The independent variable is the boards of directors’ characteristics; the dependent variables are the CSD. The study analysed 2250 observation of the UK. listed firms for the period of 2011–2020. The results of the current study show a significant and positive relationship between the extent of CSD and the board size, board independence and board meeting; in terms of board gender diversity yielded an insignificant and positive relationship with the extent of CSD. The findings indicate that firms with more independent and larger board, and high meeting frequency promote cybersecurity transparency and reduce related information asymmetric with stakeholders. The analyses have implications for policymakers, top management, corporate executives and practitioners. Firms are encouraged to restructure their board to enhance its effectiveness to better support and monitor CSD. This is the first study in the UK that examined the determinants of CSD. This adds value to the literature on CSD, in addition to contributing to an understanding of the relationship between board characteristics and CSD.

本研究旨在探讨董事会特征对伦敦证券交易所上市公司网络安全披露(CSD)的影响。本研究采用实证方法进行数据收集和分析。自变量为董事会特征,因变量为 CSD。研究分析了 2011-2020 年间对英国 2250 家上市公司的观察结果。研究结果表明,CSD程度与董事会规模、董事会独立性和董事会会议之间存在显著的正相关关系;董事会性别多样性与CSD程度之间存在不显著的正相关关系。研究结果表明,董事会独立性较强、规模较大、会议频率较高的公司能提高网络安全透明度,减少与利益相关者之间的相关信息不对称。这些分析对政策制定者、高层管理者、企业高管和从业人员都有启示。我们鼓励企业重组董事会,提高其效率,以更好地支持和监督 CSD。这是英国首次研究 CSD 的决定因素。这不仅有助于理解董事会特征与 CSD 之间的关系,还为有关 CSD 的文献增添了价值。
{"title":"Board characteristics and cybersecurity disclosure: evidence from the UK","authors":"Ahmad Yuosef Alodat, Yunhong Hao, Haitham Nobanee, Hazem Ali, Marwan Mansour, Hamzeh Al Amosh","doi":"10.1007/s10660-024-09867-w","DOIUrl":"https://doi.org/10.1007/s10660-024-09867-w","url":null,"abstract":"<p>The purpose of this study is to explore the influence of board of directors characteristics on the cybersecurity disclosure (CSD) of firms listed on the London Stock Exchange. The current study used an empirical approach to data collection and analysis. The independent variable is the boards of directors’ characteristics; the dependent variables are the CSD. The study analysed 2250 observation of the UK. listed firms for the period of 2011–2020. The results of the current study show a significant and positive relationship between the extent of CSD and the board size, board independence and board meeting; in terms of board gender diversity yielded an insignificant and positive relationship with the extent of CSD. The findings indicate that firms with more independent and larger board, and high meeting frequency promote cybersecurity transparency and reduce related information asymmetric with stakeholders. The analyses have implications for policymakers, top management, corporate executives and practitioners. Firms are encouraged to restructure their board to enhance its effectiveness to better support and monitor CSD. This is the first study in the UK that examined the determinants of CSD. This adds value to the literature on CSD, in addition to contributing to an understanding of the relationship between board characteristics and CSD.</p>","PeriodicalId":47264,"journal":{"name":"Electronic Commerce Research","volume":"8 1","pages":""},"PeriodicalIF":3.9,"publicationDate":"2024-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141256361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimal marketing strategies for live streaming rooms in livestream e-commerce 直播电子商务中直播室的最佳营销策略
IF 3.9 4区 管理学 Q2 BUSINESS Pub Date : 2024-06-02 DOI: 10.1007/s10660-024-09860-3
Qin Wan, Junjun Chen, Cuiting Yu, Meili Lu, Danping Liu

With the rising popularity of live streaming e-commerce, live streaming rooms and merchants are keen to explore and understand successful cooperative models. Some merchants require live streaming rooms to guarantee a minimum sales threshold in order to ensure their earnings. Based on certain variables, live streaming rooms can opt to utilize a "guaranteed sales" marketing strategy or a "breakthrough sales" marketing strategy. This study focuses on the live streaming e-commerce supply chain and considers factors such as streamers’ social influence and the live streaming room’s slotting allowance. We have developed a Stackelberg game model and designated the live streaming room (LSR) as the leader with partner merchants as followers. Optimal marketing effort level decisions and optimal discount rate decisions are studied under both the "guaranteed sales" and the "breakthrough sales" marketing strategies. We then consider whether variations in the slotting allowance charged by the LSR to the merchant have an impact. Our results indicate that the LSR’s optimal marketing strategy is mainly determined by the streamers’ social influence. When the streamers’ social influence is low, the LSR benefits more from the "guaranteed sales" marketing strategy; when it is high, the room benefits more from the "breakthrough sales" marketing strategy. For merchants, if there is no difference in the slotting allowance, then the merchant always makes more profit using the “breakthrough sales” strategy. If there is variation in the slotting allowance, the merchant's profit under the two strategies is uncertain. The greater the difference between the two marketing strategies, the greater the probability of choosing the "breakthrough sales" strategy. The research conclusions of this paper provide references for the strategy selection of live streaming e-commerce supply chain members and contribute to the further development of live streaming e-commerce.

随着直播电子商务的日益普及,直播室和商家都热衷于探索和了解成功的合作模式。一些商家要求直播室保证最低销售门槛,以确保其收益。基于某些变量,直播室可以选择使用 "保证销售额 "营销策略或 "突破销售额 "营销策略。本研究聚焦于直播电子商务供应链,并考虑了直播者的社会影响力和直播室的档期补贴等因素。我们建立了一个斯塔克尔伯格博弈模型,并指定直播室(LSR)为领导者,合作商家为追随者。我们研究了 "保证销售 "和 "突破销售 "两种营销策略下的最优营销努力水平决策和最优折扣率决策。然后,我们考虑 LSR 向商户收取的时段津贴的变化是否会产生影响。我们的研究结果表明,整装商的最优营销策略主要取决于分流商的社会影响力。当流媒体的社会影响力较低时,整租公司从 "保证销售 "的营销策略中获益较多;当流媒体的社会影响力较高时,整租公司从 "突破销售 "的营销策略中获益较多。对于商家来说,如果时段津贴没有差异,那么商家总是从 "突破性销售 "策略中获利更多。如果时段津贴存在差异,商家在两种策略下的利润就不确定。两种营销策略的差异越大,选择 "突破性销售 "策略的概率就越大。本文的研究结论为直播电商供应链成员的策略选择提供了参考,有助于直播电商的进一步发展。
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引用次数: 0
Integration of artificial intelligence technology and visual communication design in metaverse e-commerce and its potential opportunities 人工智能技术与视觉传达设计在元宇宙电子商务中的融合及其潜在机遇
IF 3.9 4区 管理学 Q2 BUSINESS Pub Date : 2024-05-11 DOI: 10.1007/s10660-024-09855-0
Fangbin Song, Tian Xia, Yi Tang

This study endeavors to investigate the potential synergies resulting from the integration of artificial intelligence (AI) technology and visual communication design (VCD) in the domain of metaverse e-commerce. The primary objective of this study is to harness the power of AI technology and (VCD) to stimulate economic expansion and enhance user experiences. Primarily, this study employs a literature review approach to systematically survey existing research on the application of AI in environmental design and analyzes case studies illustrating how VCD satisfies the requirements of environmental design. Subsequently, focusing on representative Landscape Environment Design (LED) projects, the study elucidates the practices of landscape environmental design under the support of VCD and AI technologies. Finally, through the collection of economic data, such as visitor numbers and revenue, before and after the integration of AI and VCD elements in the West Lake Wetland Park, located in Hangzhou, Zhejiang Province, an empirical analysis quantifies the variations in economic growth. The study assesses the impact of VCD elements, AI design elements, and environmental design changes on economic growth in the West Lake Wetland Park. The case analysis of the West Lake Wetland Park demonstrates a 20% increase in visitor numbers within a year after the integration of AI and VCD elements, and an accompanying 30% rise in commercial activity revenue by enhancing visitor experiences. Furthermore, the amalgamation of AI and visual communication in landscape design not only promotes sustainable development and energy conservation but also propels the growth of Gross Domestic Product (GDP) in the region. During the research period, the application of AI and VCD in landscape environmental design projects contributed to an approximately 15% increase in regional GDP. Based on the research findings, it can be deduced that the integration of AI technology and VCD holds substantial potential and opportunities within the realm of metaverse e-commerce. This integration has the capacity to propel economic growth and enhance user experience significantly. Consequently, this study assumes considerable importance in facilitating the amalgamation of VCD with other disciplines and assessing the influence of intelligent visual communication LED on economic development.

本研究旨在探讨人工智能(AI)技术与视觉传达设计(VCD)在元海电子商务领域的融合可能产生的协同效应。本研究的主要目的是利用人工智能技术和(VCD)的力量来刺激经济扩张和提升用户体验。首先,本研究采用文献综述的方法,系统地调查了人工智能在环境设计中应用的现有研究,并分析了说明 VCD 如何满足环境设计要求的案例研究。随后,本研究以具有代表性的景观环境设计(LED)项目为重点,阐明了在 VCD 和人工智能技术支撑下的景观环境设计实践。最后,通过收集浙江省杭州市西湖湿地公园整合人工智能和 VCD 元素前后的游客数量和收入等经济数据,对经济增长的变化进行了实证分析。研究评估了 VCD 要素、人工智能设计要素和环境设计变更对西湖湿地公园经济增长的影响。对西湖湿地公园的案例分析表明,在融合人工智能和 VCD 元素后,游客数量在一年内增加了 20%,同时,通过提升游客体验,商业活动收入也增加了 30%。此外,人工智能和视觉传达在景观设计中的结合不仅促进了可持续发展和节能,还推动了该地区国内生产总值(GDP)的增长。在研究期间,人工智能和视觉传达技术在景观环境设计项目中的应用使该地区的国内生产总值增长了约 15%。根据研究结果,可以推断出人工智能技术与 VCD 的整合在元宇宙电子商务领域蕴含着巨大的潜力和机遇。这种融合有能力推动经济增长,显著提升用户体验。因此,本研究在促进虚拟CD与其他学科的融合以及评估智能视觉通信LED对经济发展的影响方面具有相当重要的意义。
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引用次数: 0
Image sentiment considering color palette recommendations based on influence scores for image advertisement 基于影响力评分的图像情感调色板推荐,用于图像广告
IF 3.9 4区 管理学 Q2 BUSINESS Pub Date : 2024-05-09 DOI: 10.1007/s10660-024-09851-4
Juhee Han, Younghoon Lee

As image-based communication proliferates, the business value of image sentiment analysis is rapidly growing, particularly in fields like advertising where consumers receive emotional cues through visual stimuli. However, most existing research on image sentiment analysis has focused more on developing sentiment classification models rather than exploring specific factors contributing to image sentiment. Therefore, this study proposes a methodology for extracting color palettes to represent image sentiments, emphasizing the significance of color palettes as highlighted in various studies. Previous approaches to color palette extraction have included heuristic methods, survey-based selection, or utilizing clustering algorithms like K-means clustering based on color frequencies in images. In this study, we calculate the influence scores of colors for classifying image sentiments and propose deriving representative sentiment-color palettes based on these scores. Initially, we train a multi-label classification model to predict the sentiment labels of images and then create datasets for distorted images where pixels corresponding to specific colors are removed. By comparing the model outputs obtained from these distorted images with the original dataset, we obtain quantitative influence scores of colors for classifying sentiment labels. Furthermore, we extract sentiment-color palettes consisting of four important colors for 30 different sentiments. Experimental results demonstrate higher evaluation scores compared to previous studies.

随着基于图像的交流日益增多,图像情感分析的商业价值也在迅速增长,尤其是在广告等领域,消费者通过视觉刺激接收情感线索。然而,现有的图像情感分析研究大多侧重于开发情感分类模型,而不是探索导致图像情感的具体因素。因此,本研究提出了一种提取调色板来表示图像情感的方法,强调了各种研究中强调的调色板的重要性。以前的调色板提取方法包括启发式方法、基于调查的选择或利用聚类算法(如基于图像中颜色频率的 K-means 聚类)。在本研究中,我们计算了颜色对图像情感分类的影响分数,并建议根据这些分数得出具有代表性的情感调色板。首先,我们训练一个多标签分类模型来预测图像的情感标签,然后创建扭曲图像的数据集,将特定颜色对应的像素去除。通过比较这些扭曲图像与原始数据集的模型输出,我们获得了用于情感标签分类的颜色定量影响分数。此外,我们还为 30 种不同的情感提取了由四种重要颜色组成的情感颜色调色板。与之前的研究相比,实验结果显示了更高的评估分数。
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引用次数: 0
Strategic introduction of the showroom channel in a platform supply chain: how to balance cost inefficiency against information asymmetry 在平台供应链中战略性地引入陈列室渠道:如何在成本效率低下与信息不对称之间取得平衡
IF 3.9 4区 管理学 Q2 BUSINESS Pub Date : 2024-05-08 DOI: 10.1007/s10660-024-09826-5
Mengli Li, Shuguang Zhang

To cope with the challenge caused by the lack of physical evaluation, many e-commerce platforms introduce a showroom channel, in which consumers can feel and touch products before purchasing. Based on this background, we consider there are two strategies of an e-commerce platform to introduce a showroom channel, i.e., self-build strategy and cooperation strategy. Then we build theoretical models by characterising cost inefficiency of self-build strategy and information asymmetry of cooperation strategy in the platform supply chain. Next, we derive the optimal decisions under different strategies, and investigate the advantage of different strategies. Last, we explore the strategic introduction of the showroom channel in the platform supply chain. We find the following results. (1) Under cooperation strategy, the platform can strategically design two different cooperation contracts to the retailer, i.e., full incentive contract and partial incentive contract. Moreover, the retailer may be hurt by a higher demand due to information asymmetry under cooperation strategy. (2) Self-build strategy generates information advantage and cooperation strategy brings channel advantage, which jointly affect the optimal showroom channel strategy of the platform. To be more specific, when high-type demand of the retailer is relatively high and reservation profit of the retailer is relatively low, channel advantage dominates information advantage, then the platform will choose cooperation strategy. (3) Under some conditions, the optimal strategy of the platform is not in line with the optimal ones of the whole supply chain. Then we design a side payment contract to achieve Pareto improvement.

为了应对缺乏实物评估所带来的挑战,许多电商平台引入了展厅渠道,让消费者在购买前可以感受和触摸产品。基于这一背景,我们认为电商平台引入展厅渠道有两种策略,即自建策略和合作策略。然后,我们通过描述平台供应链中自建策略的成本效率低下和合作策略的信息不对称来建立理论模型。接着,我们推导出不同战略下的最优决策,并研究不同战略的优势。最后,我们探讨了在平台供应链中引入展厅渠道的策略。我们发现了以下结果。(1)在合作策略下,平台可以战略性地为零售商设计两种不同的合作合约,即完全激励合约和部分激励合约。此外,在合作战略下,由于信息不对称,零售商可能会受到更高的需求伤害。(2)自建策略产生信息优势,合作策略带来渠道优势,二者共同影响平台的最优展厅渠道策略。具体来说,当零售商的高类型需求相对较高,而零售商的保留利润相对较低时,渠道优势会主导信息优势,此时平台会选择合作策略。(3)在某些条件下,平台的最优策略与整个供应链的最优策略不一致。那么,我们就设计一个侧付款合约来实现帕累托改进。
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