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The evolution of crowd intelligence is a mainly concerns issue in the field of crowd science. It is a kind of group behavior that is superior to the individual’s ability to complete tasks through the cooperation of many agents. In this study, the evolution of crowd intelligence is studied through the clustering method and the particle swarm optimization (PSO) algorithm.

This study proposes a crowd evolution method based on intelligence level clustering. Based on clustering, this method uses the agents’ intelligence level as the metric to cluster agents. Then, the agents evolve within the cluster on the basis of the PSO algorithm.

Two main simulation experiments are designed for the proposed method. First, agents are classified based on their intelligence level. Then, when evolving the agents, two different evolution centers are set. Besides, this paper uses different numbers of clusters to conduct experiments.

The experimental results show that the proposed method can effectively improve the crowd intelligence level and the cooperation ability between agents.

This paper proposes a crowd evolution method based on intelligence level clustering, which is based on the clustering method and the PSO algorithm to analyze the evolution.

In line with the stimulus overload theory, this study seeks a comprehensive understanding of tourism crowding by examining residents’ perceived tourism crowding and their corresponding avoidance and approach reactions through sustainable tourism. In addition, the study aims to investigate whether residents’ proenvironmental behavior moderates’ tourism’s negative impacts on the local ecosystem, delving into its potential mitigating role.

Using purposive sampling, the authors engaged residents associated with government and nongovernment organizations, universities, colleges and schools, as well as individuals from the business sector encompassing hotels, restaurants and cafeterias, markets and dedicated social activists actively involved in community affairs.

The analysis, conducted on 920 questionnaires using structural equation modeling, demonstrates that tourism crowding exhibits a negative correlation with sustainable tourism and approach reactions but a positive correlation with avoidance reactions. Furthermore, the moderation analysis suggests that as residents’ proenvironmental behavior improves, the detrimental effect of tourism crowding on sustainable tourism diminishes.

The study presents numerous implications for policymakers and the tourism industry, emphasizing the need to comprehend residents’ perceptions of tourism crowding and sustainable tourism. It underscores the importance of engaging residents in the tourism process to achieve sustainability goals.

The novel theoretical contribution lies in applying the stimulus overload theory to examine tourism crowding and sustainable tourism, specifically from the residents’ perspectives.

本研究根据刺激超负荷理论, 通过考察旅游地居民在整个可持续旅游过程中对旅游拥挤的感知以及他们的相应回避和接近反应, 寻求对旅游拥挤的全面了解。此外, 本研究旨在调查旅游地居民的环保行为是否可以缓和旅游对当地生态系统造成的负面影响, 并深入探讨潜在缓解作用。

我们采用目的性抽样方法, 邀请了与政府和非政府组织、大学、学院和学校有关联的旅游地居民, 来自商业领域（包括HORECA“酒店、餐馆和自助餐厅”和市场）的个人, 以及积极参与社区事务的专职社会活动家。

本研究采用结构方程模型（SEM）对920份调查问卷进行分析, 结果表明旅游拥挤与可持续旅游和接近反应呈负相关, 而与回避反应呈正相关。此外, 缓和分析表明, 随着旅游地居民环保行为的改善, 旅游拥挤对可持续旅游的不利影响呈现减弱。

本研究为决策者和旅游业提供了许多启示, 强调需要了解旅游地居民对旅游拥挤和可持续旅游的感知, 亦强调了让旅游地居民参与旅游过程的重要性, 以确保实现可持续发展目标。

本研究贡献了新颖的理论, 应用刺激超负荷理论考察旅游拥挤和可持续旅游, 特别是从旅游地居民角度进行考察。

Este estudio busca una comprensión global de la masificación turística mediante el examen de la masificación turística percibida por los residentes y sus correspondientes reacciones de aproximación y evitación a través del turismo sostenible, en el marco de la teoría de la sobrecarga de estímulos. Además, el estudio investiga si el comportamiento proambiental de los residentes modera los impactos negativos del turismo en el ecosistema local, profundizando en su potencial papel mitigador.

Utilizando un muestreo intencional o por juicio, se recogieron datos de residentes vinculados a organizaciones gubernamentales y no gubernamentales, universidades, institutos y escuelas, así como a personas del sector empresarial que engloba hoteles, restaurantes y cafeterías, mercados y activistas sociales que participan activamente en asuntos comunitarios.

El análisis de 920 cuestionarios mediante un modelo de ecuaciones estructurales demuestra que la masificación turística presenta una correlación negativa con el turismo sostenible y las reacciones de aproximación, pero una correlación positiva con las reacciones de evitación. Además, el análisis de moderación sugiere que a medida que mejora el comportamiento proambiental de los residentes, disminuye el impacto negativo de la masificación turística sobre el turismo sostenible.

El estudio presenta numerosas implicaciones para los responsables políticos y la industria turística, destacando la necesidad de comprender las percepciones de los residentes sobre la masificación turística y el turismo sostenible. Se subraya la importancia de implicar a los residentes en el proceso turístico para alcanzar objetivos de sostenibilidad.

La novedosa aportación teórica radica en la aplicación de la teoría de la sobrecarga de estímulos para examinar la masificación turística y el turismo sostenible, específicamente desde la perspectiva de los residentes.

As the application of crowdsourcing contests grows, leveraging the participation of superstars (i.e. solvers who have outstanding performance records in a crowdsourcing platform) becomes an emergent approach for managers to solve crowdsourced problems. Although much is known about superstars’ performance implications, it remains unclear whether and how their participation affects the size of a contest crowd for a crowdsourcing contest. Based on social contagion theory, this paper aims to examine the impact of superstars’ participation on the crowd size and studies how this impact varies across solvers with different heterogeneity in terms of skills, exposure and cultural proximity with superstars in crowdsourcing contests.

This paper uses secondary data from one crowdsourcing platform that includes 6,587 innovation contests to examine superstars’ main and contextual effects on the crowd size of a contest.

Our results reveal that superstars’ participation positively affects the crowd size of a contest in general. This finding suggests that social contagion is a fundamental mechanism underlying crowd formation in crowdsourcing contests. Our results also indicate that in contests that involve multiple superstars, superstars’ effect on crowd size becomes negative when we simultaneously consider other solvers’ heterogeneity in terms of skills, exposure and cultural background, and this negative effect will be intensified by increases in the skill gap, extent of exposure and cultural proximity between superstars and other solvers in the same contest.

Our research enhances the understanding of the influence of superstars and the mechanism underlying the emergence of contest crowds in crowdsourcing contests and contributes knowledge to better understand social contagion in a competitive setting. The results are meaningful for sourcing managers and platform supervisors to design contests and supervise crowd size in crowdsourcing contests.

The purpose of this chapter was to deconstruct the underlying contradictions of crowdfunding practices and to show how crowdfunding practitioners develop a schizophrenic use of these contradictions.

The main contradictions of crowdfunding practices are introduced with theoretical references. Then short cases are used to illustrate how crowdfunding practitioners try to cope with these contradictions.

The crowd addresses many contradictions, first because it is a syncretic concept, second because online crowds are still to be proven crowds. In any case, crowdfunding practitioners do their best to take the advantage of these contradictions, and run the risk of falling between two stools.

An attempt to provide an analysis of crowdfunding as a social, and not only economic, phenomenon, to suggest avenues for further critical research on crowdfunding.

Crowdsourcing – a form of collaboration across organizational boundaries – provides access to knowledge beyond an organization’s local knowledge base. Integrating work on organization theory and innovation, the authors first develop a framework that characterizes crowdsourcing into a main sequential process, through which organizations (1) define the task they wish to have completed; (2) broadcast to a pool of potential contributors; (3) attract a crowd of contributors; and (4) select among the inputs they receive. For each of these phases, the authors identify the key decisions organizations make, provide a basic explanation for each decision, discuss the trade-offs organizations face when choosing among decision alternatives, and explore how organizations may resolve these trade-offs. Using this decision-centric approach, the authors continue by showing that there are fundamental interdependencies in the process that makes the coordination of crowdsourcing challenging.

The ubiquity of digitally intermediated interactions is changing the ways in which social interaction creates the cognitive and institutional underpinnings of new markets. Logics that define markets used to be localized, but they now emerge from crowds that span – and persist – across time and space. This article builds a theory of how crowds emerge and evolve in a way that influences the emergence of shared logics and helps explain why some markets are viable while others are not. What is revealed is that a crowd has a hidden niche structure that determines the fate of a new market.

This paper seeks to revisit the interrelationship among tourists’ perceived value of the destination, tourist satisfaction and destination loyalty in the heritage tourism site of Hoi An. In addition, the moderating role of tourists’ perceived crowding, which has become remarkably common at the site, in such a triangle relationship will also be explored. In other words, this study aims to validate an extended model of perceived value – tourist satisfaction – destination loyalty – perceived crowding.

The study collects data from 403 tourists who visited Hoi An during peak season through an online questionnaire. The data were later analysed using AMOS and Warp partial least squares.

The results validate the significant and positive correlation among perceived value, customer satisfaction and destination loyalty. Also, perceived crowding was confirmed to affect the relationship among these three variables negatively. In terms of academic contributions, this paper empirically proved that low levels of tourist satisfaction and destination loyalty among tourists who highly value their visiting experience at World Heritage Sites (WHS) can be caused by perceived crowding.

So far, current literature has investigated the direct (either positive or negative) relationship between perceived crowding and post-visit behaviours of tourists (Nie et al., 2022; Papadopoulou, Ribeiro, & Prayag, 2023; Stemmer, Gjerald, & Øgaard, 2022). Broadening this area of research, the authors of this paper used the social interference theory and the stimulus-overload theory to explain the low level of tourist satisfaction and destination loyalty among tourists who highly value their visiting experience at WHS.

Purpose – The purpose of this chapter is to explore the orientations of consumer and company participants who participate in online crowd-sourced communities.

Methodology/Approach – Using a netnographic approach, we analysed the Nokia Design by Community (NDbC) crowd-sourced information contest, which was organised by Nokia in order to co-create a vision of the community's ‘dream’ Nokia device.

Findings – The findings reveal that community members' social orientations were dramatically different from the host organisation's narrow commercial focus, which led to unresolved tensions and as we posit, the ultimate failure of the initiative.

Research implications – The contemporary discourse on collaborative value co-creation potentially overemphasises the commercial objectives of organisations by failing to acknowledge the need for organisations to address the complex communal objectives and motivations of members of crowd-sourced communities.

Practical implications – Organisations need to acknowledge and address the complex and dynamic communal and commercial tensions that inherently emerge in online crowd-sourced communities. They need to adopt a tribal marketing approach and respectfully engage with community members if the diverse objectives of community members and the host organisations are to be satisfactorily met.

Originality/Value – Organisations and researchers need to recognise and acknowledge that crowdsourcing both begets communal conflict and fosters collaborative behaviour due to contested commercial and social orientations. While mindful of their commercial objectives, organisations will succeed in implementing online crowd-sourcing initiatives if they make a sincere effort to understand and respect the diversity, culture and social norms of the particular crowd-sourced online community concerned.

Since tourism is viewed as being a fast-growing industry, researchers are keen to investigate the negative impacts brought by an increasing number of visitors. As one of the derived social impacts, crowding has been proven to have a negative effect on tourists’ visiting experience. Thus, this study aims to understand tourists’ perception of crowding and its subsequent effect on their loyalty. A theme park in China called China Dinosaur Land, located in Jiangsu Province, is selected as the research site and 296 valid questionnaires are collected from the visitors. The results illustrate that psychological states, such as perceived crowding, emotional response, and coping behavior are much more complex than the study initially proposes; therefore, the hypotheses of the study are amended according to the research results.

An emerging management trend is to use the “wisdom of the crowd” to make decisions traditionally made by the top management alone. Research on this phenomenon has focused mainly on the capacity of crowds to generate ideas, but much less is known about a crowd’s capacity to select ideas. To study crowd-based idea selection in firms, this chapter develops a mathematical model of a crowd that makes decisions by majority voting. The model takes into account contingencies that are of particular importance to firms, namely: the size of the population from which the crowd is drawn, the distribution of accuracy among members of the population, and the firm’s ability to recruit the population’s most accurate individuals. The results show that: (1) under relatively common conditions, increasing the size of the crowd may actually reduce performance; (2) near-optimal performance can usually be achieved by a much smaller crowd than the one required to achieve optimal performance; (3) determining the best crowd size depends critically on the firm’s ability to recruit “accurate” individuals; and (4) good performance does not require large crowds unless all population members exhibit low levels of accuracy.