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Efficiency of Community-Based Content Moderation Mechanisms: A Discussion Focused on Birdwatch 基于社区的内容管理机制的效率:以《鸟类观察》为重点的讨论
IF 3 4区 管理学 Q1 Social Sciences Pub Date : 2024-03-23 DOI: 10.1007/s10726-024-09881-1
Chenlong Wang, Pablo Lucas

As user-generated online content has been flourishing with both useful information and misinformation. One of the complexities surrounding such phenomena is its huge amounts of data and its associated difficulties to effectively moderate content, particularly as most initiatives are centralised and fraught with its intrinsic trust issues. One of the few examples using mainly a decentralised (i.e., community-driven) mechanism is Twitter’s Community Notes (once named as Birdwatch) experimental project. This paper thus is about testing the efficiency of such community-based content moderation mechanism and scenarios of interest aiming to better understanding how the users themselves better moderate online content. This is done through an agent-based approach and three conclusions are discussed in detail: (1) to some extent the community is able to fight against misinformation, (2) a Birdwatch-like mechanism can indeed boost the community’s content moderation ability, but there is a nontrivial trade-off between social influence and content timeliness and (3) a simple proposition, in the form of a reminder mechanism to users, cannot fulfil the task of improving the content moderation efficiency, which means a different approach to design is needed.

用户生成的在线内容一直在蓬勃发展,其中既有有用的信息,也有错误的信息。围绕这种现象的一个复杂问题是其海量数据以及与之相关的有效管理内容的困难,特别是大多数倡议都是集中式的,充满了内在的信任问题。Twitter 的 "社区笔记"(曾用名 "鸟类观察")实验项目是少数几个主要采用去中心化(即社区驱动)机制的例子之一。因此,本文将测试这种基于社区的内容管理机制的效率和相关场景,旨在更好地了解用户本身如何更好地管理在线内容。本文通过基于代理的方法进行测试,并详细讨论了三个结论:(1) 在一定程度上,社区能够抵制错误信息;(2) 类似 "小鸟观察 "的机制确实能够提高社区的内容节制能力,但在社会影响力和内容及时性之间存在不小的权衡;(3) 以提醒用户机制为形式的简单命题无法完成提高内容节制效率的任务,这意味着需要采用不同的设计方法。
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引用次数: 0
Smart Contract Application in Resisting Extreme Weather Risks for the Prefabricated Construction Supply Chain: Prototype Exploration and Assessment 智能合同在预制建筑供应链抵御极端天气风险中的应用:原型探索与评估
IF 3 4区 管理学 Q1 Social Sciences Pub Date : 2024-03-20 DOI: 10.1007/s10726-024-09877-x
Zhu-Jun Wang, Yangyang Sun, Qin Su, Muhammet Deveci, Kannan Govindan, Mirosław J. Skibniewski, Zhen-Song Chen

The increasing frequency of extreme weather (EW) events has created significant vulnerabilities in the normal operations of the prefabricated construction supply chain (PCSC). This study aims to enhance the resilience of the PCSC against EW by utilizing smart contracts. The study proposes a prototype smart contract application to mitigate the risks posed by EW to the PCSC. Additionally, it identifies 28 potential barriers affecting smart contract adoption in the PCSC using the Technology-Organization-Environment framework. Furthermore, the paper presents a multi-objective optimization-based group decision-making method to assess the feasibility of smart contract adoption in the PCSC. An online survey was then conducted among 50 stakeholders from various links of the PCSC to gather insights into smart contract adoption. The results indicate that stakeholder awareness of smart contracts and the current corporate level are the most influential factors in decision-making. This research extends the application of smart contracts to risk management within the PCSC, offering valuable insights for stakeholders to enhance resilience and address the adverse effects of EW proactively.

极端天气(EW)事件日益频繁,给预制建筑供应链(PCSC)的正常运营带来了重大隐患。本研究旨在利用智能合约提高预制建筑供应链抵御极端天气的能力。本研究提出了一种智能合约应用原型,以减轻 EW 对 PCSC 造成的风险。此外,该研究还利用技术-组织-环境框架确定了影响 PCSC 采用智能合约的 28 个潜在障碍。此外,论文还提出了一种基于多目标优化的群体决策方法,用于评估在 PCSC 中采用智能合约的可行性。然后,对来自 PCSC 各个环节的 50 名利益相关者进行了在线调查,以收集对智能合约采用的见解。结果表明,利益相关者对智能合约的认知度和当前的企业水平是对决策影响最大的因素。这项研究将智能合约的应用扩展到了 PCSC 内部的风险管理,为利益相关者提供了宝贵的见解,帮助他们增强应变能力,积极应对 EW 的不利影响。
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引用次数: 0
An Outranking-Based Approach Modeling Satisfaction–Dissatisfaction Intensity, Preference Dependence, and Discordance Strength in Group Decision 基于排序的方法,为群体决策中的满意-不满意强度、偏好依赖性和不和谐强度建模
IF 3 4区 管理学 Q1 Social Sciences Pub Date : 2024-03-19 DOI: 10.1007/s10726-024-09880-2
Eduardo Fernández, José Rui Figueira, Jorge Navarro, Efrain Solares

There are numerous proposals for Group Decision-Making (GDM) inspired by the ELECTRE multiple criteria decision approach. These proposals capitalize on ELECTRE's resemblance to certain voting systems and its ability to navigate veto situations. However, while ELECTRE-based methods have commendable features for establishing the credibility degree of the predicate “x is collectively considered at least as good as y”, they do not address three relevant issues: (1) the reinforced preference in favor of x exhibited by certain members of the group; (2) the strength of the coalition of Decision-Makers (DMs) who favor y over x; and (3) the effects of preference dependence (complementarity, redundancy, antagonism) among different DMs. This paper addresses group ranking problems within scenarios where a group is under the control of a special powerful actor, called a “Supra-Decision Maker”, or when a group adheres to a predetermined system of rules agreed upon by its members. Unlike other ELECTRE-based methods for GDM, this proposal comprehensively addresses the issues (1), (2) and (3) to determine the credibility degree of the collective outranking predicate. This determination can be utilized to derive a collective ranking or another form of recommendation in GDM. This proposal is expected to excel in a collaborative organizational environment where group members express genuine judgments, devoid of malicious intentions to manipulate collective decisions. Moreover, it has relevance in socially oriented decision-making contexts, especially when government agencies seek to reconcile opinions of diverse stakeholder groups with highly contradictory points of view. In such scenarios, where phenomena such as preference dependence, reinforced preference, and intense disagreement manifest, this proposal could offer valuable insights.

在 ELECTRE 多标准决策方法的启发下,有许多关于群体决策(GDM)的建议。这些建议利用了 ELECTRE 与某些投票系统的相似性及其在否决情况下的驾驭能力。然而,虽然基于 ELECTRE 的方法在确定 "x 被集体认为至少与 y 一样好 "这一谓词的可信度方面具有值得称道的特点,但它们并没有解决三个相关问题:(1) 小组中某些成员表现出的偏好 x 的强化偏好;(2) 偏好 y 而非 x 的决策者(DMs)联盟的强度;(3) 不同 DMs 之间偏好依赖性(互补性、冗余性、对抗性)的影响。本文所讨论的群体排序问题,是在群体受一个被称为 "超级决策者 "的特殊强势行为者控制的情况下,或在群体遵守其成员商定的预定规则体系的情况下产生的。与其他基于 ELECTRE 的 GDM 方法不同,本提案全面解决了问题(1)、(2)和(3),从而确定了集体排名靠前谓词的可信度。这种确定可用于在 GDM 中得出集体排名或其他形式的推荐。在协作式组织环境中,小组成员表达的是真实的判断,没有操纵集体决策的恶意,因此该建议有望大显身手。此外,它还适用于社会导向型决策环境,尤其是当政府机构寻求协调观点高度矛盾的不同利益相关群体的意见时。在这种情况下,会出现偏好依赖、强化偏好和激烈分歧等现象,这项建议可以提供有价值的见解。
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引用次数: 0
A Markov Chain-Based Group Consensus Method with Unknown Parameters 基于马尔可夫链的未知参数群体共识法
IF 3 4区 管理学 Q1 Social Sciences Pub Date : 2024-03-18 DOI: 10.1007/s10726-024-09876-y
Chao Fu, Wenjun Chang

Group consensus (GC) is important for generating a group solution satisfactory or acceptable to most decision-makers in a group. Its convergency usually depends on several rounds of iterations and becomes more difficult with unknown parameters because GC is usually associated with parameters. To address the GC with unknown parameters, this paper proposes a Markov chain-based GC method, in which criterion weights and expert weights are considered as parameters. Given the interval-valued assessments of decision-makers, the GC at the alternative and global levels is defined. Based on the Markov chain, a two-hierarchical randomization algorithm is designed with unknown criterion weights to determine the transition probability matrix used to generate the stable GC. To accelerate the stable GC’s convergency, criteria significantly contributing negatives to the stable GC are identified and suggestions on helping renew decision-makers’ assessments on the identified criteria are provided. On the condition that the stable GC is definitely satisfied, a GC-based two-hierarchical randomization algorithm is designed based on the Markov chain to determine the transition probability matrix for generating the stable ranking value distribution of each alternative. The proposed method is employed to analyze a development mode selection problem. It is compared with the stochastic multicriteria acceptability analysis and simple additive weighting methods based on the problem by calculation and principle.

群体共识(GC)对于产生令群体中大多数决策者满意或可接受的群体解决方案非常重要。其收敛性通常取决于几轮迭代,而且由于 GC 通常与参数相关,因此在参数未知的情况下变得更加困难。为了解决参数未知的 GC 问题,本文提出了一种基于马尔可夫链的 GC 方法,其中标准权重和专家权重被视为参数。给定决策者的区间值评估,定义备选方案和全局层面的 GC。在马尔可夫链的基础上,设计了一种双层次随机化算法,利用未知的标准权重来确定用于生成稳定 GC 的过渡概率矩阵。为了加快稳定 GC 的收敛速度,确定了对稳定 GC 有重大负面影响的标准,并提出了帮助决策者更新对所确定标准的评估的建议。在肯定满足稳定 GC 的条件下,设计了一种基于 GC 的双层次随机化算法,该算法基于马尔可夫链来确定过渡概率矩阵,以生成每个备选方案的稳定排序值分布。所提出的方法被用于分析开发模式选择问题。通过计算和原理,将其与基于该问题的随机多标准可接受性分析法和简单加权法进行了比较。
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引用次数: 0
A Critical Exploration of Bargaining in Purchasing and Supply Management: A Systematic Literature Review 采购与供应管理中讨价还价的批判性探索:系统性文献综述
IF 3 4区 管理学 Q1 Social Sciences Pub Date : 2024-03-18 DOI: 10.1007/s10726-024-09879-9
Stephen Kelly, Daniel Chicksand

Bargaining with suppliers is a key Purchasing and Supply Management (PSM) activity but there is considerable ambiguity over what bargaining entails and the concept currently lacks a systematic treatment, despite its significant interest to PSM professionals. The literature shows that bargaining can be seen as an adversarial approach to negotiation (in contrast to more integrative/collaborative ones) and also the back-and-forth discussion over price and other variables between buying and supplying organisations to reach an agreement. In addition, many will move between fundamentally distributive and integrative approaches as the discussions play out. A systematic literature review of the Scopus, ProQuest, ScienceDirect, JSTOR and Web of Science databases was undertaken to address this gap, identifying 427 relevant journal papers that were systematically analysed. First, descriptive techniques identified the trajectory of published papers, methods, theories and their industrial context. Second, content analysis identified the key constructs and associated operational measures/variables of bargaining. Third, the constructs have then been ordered temporally and by areas of location (organisational/departmental and individual levels) to generate a model and inform a series of practice-based recommendations at different stages of the bargaining process. The findings will allow future researchers to use the constructs either directly in developing focused hypotheses to test relationships or as a basis for refinement and extension in cumulative theory building and testing. In addition, a series of focused research gaps have been identified, such as addressing the current contradictory findings of the effect of purchasing volume or organisational size on bargaining power.

与供应商讨价还价是采购与供应管理(PSM)的一项重要活动,但讨价还价的内涵却相当模糊,尽管采购与供应管理专业人士对这一概念非常感兴趣,但目前却缺乏系统的论述。文献显示,讨价还价可以被视为一种对抗性的谈判方式(与更具整合性/合作性的谈判方式形成鲜明对比),也是采购组织和供应组织之间为达成协议而就价格和其他变量进行的来回讨论。此外,在讨论过程中,许多人还会在基本分配法和综合法之间转换。针对这一空白,我们对 Scopus、ProQuest、ScienceDirect、JSTOR 和 Web of Science 数据库进行了系统的文献综述,确定了 427 篇相关期刊论文,并对其进行了系统分析。首先,通过描述性技术确定了已发表论文的轨迹、方法、理论及其行业背景。其次,通过内容分析确定了关键结构和相关的操作措施/讨价还价变量。第三,然后按时间和地点(组织/部门和个人层面)对构建要素进行排序,以生成一个模型,并在讨价还价过程的不同阶段提出一系列基于实践的建议。研究结果将使未来的研究人员能够直接利用这些建构,提出有针对性的假设来检验其中的关系,或将其作为完善和扩展累积理论建设和检验的基础。此外,我们还发现了一系列重点研究缺口,如解决目前关于采购量或组织规模对议价能力影响的矛盾研究结果。
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引用次数: 0
Volumetric Aggregation Methods for Scoring Rules with Unknown Weights 未知权重评分规则的体积聚合方法
IF 3 4区 管理学 Q1 Social Sciences Pub Date : 2024-02-25 DOI: 10.1007/s10726-023-09872-8
Paolo Viappiani

Scoring rules are a popular method for aggregating rankings; they are frequently used in many settings, including social choice, information retrieval and sports. Scoring rules are parametrized by a vector of weights (the scoring vectors), one for each position, and declare as winner the candidate that maximizes the score obtained when summing up the weights corresponding to the position of each voter. It is well known that properly setting the weights is a crucial task, as different candidates can win with different scoring vectors. In this paper, we provide several methods to identify the winner considering all possible weights. We first propose VolumetricTop, a rule that ranks alternatives based on the hyper-polytope representing the set of weights that give the alternative the highest score, and provide a detailed analysis of the rule from the point-of-view of social choice theory. In order to overcome some of its limitations, we then propose two other methods: Volumetric-runoff, a rule that iteratively eliminates the alternative associated with the smallest region until a winner is found, and Volumetric-tournament, where alternatives are matched in pairwise comparisons; we provide several insights about these rules. Finally we provide some test cases of rank aggregation using the proposed methods.

评分规则是一种常用的排名汇总方法;在社会选择、信息检索和体育等许多场合都经常使用。评分规则的参数是权重向量(评分向量),每个位置一个权重向量,将每个投票者位置对应的权重相加得到的分数最大化的候选者即为获胜者。众所周知,正确设置权重是一项至关重要的任务,因为不同的候选人可以通过不同的评分向量获胜。在本文中,我们提供了几种方法来确定考虑到所有可能权重的获胜者。我们首先提出了 VolumetricTop,这是一种根据代表给备选方案带来最高分的权重集的超多面体对备选方案进行排名的规则,并从社会选择理论的角度对该规则进行了详细分析。为了克服它的一些局限性,我们随后提出了另外两种方法:卷积-径流(Volumetric-runoff)是一种迭代淘汰与最小区域相关的备选方案的规则,直到找到赢家为止;卷积-锦标赛(Volumetric-tournament)则是在成对比较中匹配备选方案;我们对这些规则提出了一些见解。最后,我们提供了一些使用所提方法进行等级聚合的测试案例。
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引用次数: 0
Concept Design Evaluation of Sustainable Product–Service Systems: A QFD–TOPSIS Integrated Framework with Basic Uncertain Linguistic Information 可持续产品服务系统的概念设计评估:带有基本不确定语言信息的 QFD-TOPSIS 综合框架
IF 3 4区 管理学 Q1 Social Sciences Pub Date : 2024-02-17 DOI: 10.1007/s10726-023-09870-w
Qiang Yang, Zhen-Song Chen, Jiang-Hong Zhu, Luis Martínez, Witold Pedrycz, Mirosław J. Skibniewski

The product–service system (PSS) is a strategic design approach proposed to address sustainability in socio-economic systems amidst rapid industrialization and transition. Evaluating the concept design of a PSS is a crucial and initial step prior to implementation. This study presents an innovative framework for evaluating concept designs of sustainable PSS based on a well-defined evaluation index system via integrating quality function deployment (QFD) and the technique for order preference by similarity to ideal solution (TOPSIS) while accommodating extended basic uncertain linguistic information (EBULI). Specifically, a QFD-based framework is first developed to identify the requirements of various stakeholders and then to establish the multi-dimensional criteria for evaluating sustainable PSS. Then, a House of Quality-based relationship matrix is introduced to determine the weights of criteria more accurately. Further, an adaptive consensus-reaching process method based on an expert weighting optimization model is proposed to ensure a collective outputs recognized by multiple involved stakeholders. Finally, an improved EBULI-based TOPSIS method is presented to determine the priority ranking of alternative sustainable PSS concepts. A case study on a car-sharing PSS project demonstrates the viability and effectiveness of the proposed QFD–TOPSIS integrated approach under EBULI settings. The alternative PSS concept design, which demonstrates relatively good performance in criteria of high importance, is selected as the most suitable option. Moreover, relevant comparative and sensitivity analyses reveal that the proposed approach exhibits superiorities in appropriate criteria elicitation, accurate weights determination, and high consensus ranking outputs.

产品服务系统(PSS)是一种战略设计方法,旨在解决快速工业化和转型期社会经济系统的可持续性问题。评估 PSS 的概念设计是实施前至关重要的第一步。本研究通过整合质量功能展开(QFD)和理想解相似度排序偏好技术(TOPSIS),提出了一个基于明确评价指标体系的创新框架,用于评价可持续 PSS 的概念设计,同时兼顾扩展的基本不确定语言信息(EBULI)。具体来说,首先开发了一个基于 QFD 的框架,以确定各利益相关方的要求,然后建立评估可持续 PSS 的多维标准。然后,引入基于质量屋的关系矩阵,以更准确地确定标准的权重。此外,还提出了一种基于专家权重优化模型的适应性共识达成过程方法,以确保获得多个利益相关者认可的集体产出。最后,提出了一种改进的基于 EBULI 的 TOPSIS 方法,用于确定可持续 PSS 备选概念的优先排序。一项关于汽车共享 PSS 项目的案例研究证明了所提出的 QFD-TOPSIS 综合方法在 EBULI 环境下的可行性和有效性。在重要标准方面表现相对较好的 PSS 概念设计被选为最合适的方案。此外,相关的比较和敏感性分析表明,建议的方法在适当的标准征询、准确的权重确定和高度一致的排序输出方面表现出优势。
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引用次数: 0
Modeling the Maximum Perceived Utility Consensus Based on Prospect Theory 基于前景理论的最大感知效用共识建模
IF 3 4区 管理学 Q1 Social Sciences Pub Date : 2024-02-04 DOI: 10.1007/s10726-023-09871-9
Dong Cheng, Yong Wu, Yuxiang Yuan, F. Cheng, Dianwei Chen
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引用次数: 0
Modeling the Maximum Perceived Utility Consensus Based on Prospect Theory 基于前景理论的最大感知效用共识建模
IF 3 4区 管理学 Q1 Social Sciences Pub Date : 2024-02-04 DOI: 10.1007/s10726-023-09871-9
Dong Cheng, Yong Wu, Yuxiang Yuan, F. Cheng, Dianwei Chen
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引用次数: 0
A Novel Robust Flexible Minimum Cost Consensus Model with Consensus Granule 带有共识颗粒的新型稳健灵活最小成本共识模型
IF 3 4区 管理学 Q1 Social Sciences Pub Date : 2024-01-06 DOI: 10.1007/s10726-023-09869-3
Ying Ji, Yangyun Yuan, Zhisheng Peng

In the consensus reaching process of group decision making (GDM), consensus measures do not require the consensus opinions of all decision makers. Meanwhile, unit adjustment cost is one of the important and often uncertain factors that affect consensus in GDM. Due to the uncertainty of unit adjustment costs, the moderator may not be able to provide each decision maker with an accurate unit adjustment cost. To overcome these problems, a novel class of group consensus decision models is proposed in this paper. First, fuzzy consensus measures are defined to make the consensus flexible using the specificity and coverage of the consensus granule. Secondly, to describe the uncertainty of the cost of unit adjustment, three uncertainty scenarios are created by the robust optimization approach is introduced. In the end, the feasibility and applicability of the method are verified by taking the classical GDM problem as an example, and sensitivity and comparative analyses are also performed.

在群体决策(GDM)的共识达成过程中,共识措施并不需要所有决策者的一致意见。同时,单位调整成本也是影响 GDM 达成共识的重要因素之一,而且往往具有不确定性。由于单位调整成本的不确定性,主持人可能无法为每个决策者提供准确的单位调整成本。为了克服这些问题,本文提出了一类新型的群体共识决策模型。首先,定义了模糊共识度量,利用共识颗粒的特异性和覆盖性使共识具有灵活性。其次,为了描述单位调整成本的不确定性,本文引入了鲁棒优化方法,创建了三种不确定性情景。最后,以经典的 GDM 问题为例,验证了该方法的可行性和适用性,并进行了灵敏度分析和比较分析。
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引用次数: 0
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Group Decision and Negotiation
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