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《Journal of Informetrics》2022,16(4):101345
The rapid growth of scientific collaboration and its significant role in promoting academic productivity has attracted increasing scientific community attention. The collaboration networks have become a powerful tool for studying scientific collaboration. Collaboration networks commonly used in research treat the collaborators as equal in status. However, the roles and contributions of different collaborators are not the same. Those differences are usually reflected through the signature order of academic achievements. This paper expands the construction of scientific collaboration networks with a directed collaboration network (DCN) to describe the different roles of collaborators and the connectivity and strength of collaborations. We analyzed the theoretical properties of the DCN and constructed evaluation indexes describing the diversity of collaboration order. Based on a case study of published papers in the business field, we discuss the value of the DCN in the characterization and evaluation of scientific collaboration and compare the DCN with two other collaboration networks. We found that the DCN provides a powerful new approach for investigating collaboration laws and patterns. 相似文献
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This paper investigates the impact of small world properties and the size of largest component on innovation performance at national level. Our study adds new evidence to the limited literature on this topic with an empirical investigation for the patent collaboration networks of 16 main innovative countries during 1975–2006. We combine small world network theory with statistical models to systematically explore the relationship between network structure and patent productivity. Results fail to support that the size of largest component enhances innovative productivity significantly, which is not consistent with recent concerns regarding positive effects of largest component on patent output. We do find that small-world structure benefits innovation but it is limited to a special range after which the effects inversed and shorter path length always correlates with increased innovation output. Our findings extend the current literature and they can be implicated for policy makers and relevant managers when making decisions for technology, industry and firm location. 相似文献
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《Journal of Informetrics》2022,16(3):101311
With the rapid globalization of science, mobility is perceived as an important driver of scientific progress and innovation success. However, we have little knowledge about whether and how scientists’ mobility influences their career development, especially scientists’ productivity and collaboration. In this case study, using the data on 62,330 scientists, the Chinese computer scientists who published at least one computer science paper and published no fewer than 10 papers in total from 2000 to 2012, we apply difference in differences models in conjunction with PSM methods to show the effect of domestic mobility (i.e., moving inside China) on scientists’ research quantity and quality by distinguishing the direction of mobility. In contrast to the existing literature that documents a short-term negative effect due to adaption costs or disruption of routines and social capital, we do not observe an initial detrimental impact of following moves on productivity and collaboration, even for non-upward moves. We further find that mobility leads to increased collaboration with new partners without dampening scientists’ collaboration with previous collaborators. However, scientists have a higher probability of collaborating with new collaborators, as evidenced by the decreased share of previous collaborators to the total co-authors after they move. The findings of this case study imply that the benefits of mobility might outweigh its costs and that mobility improves scientists’ productivity and collaboration for prolific scientists in emerging countries. 相似文献
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在系统调研跨地域科研协作现状基础上,本研究提出跨地域科研协作模式分析框架,以信息搜寻与信息检索融合（IS&R）等为测试主题,构建跨地域科研协作网络;计算无向加权科研协作网络节点中心性,发现各主题研究热点国家、城市和机构;模拟有向加权科研协作网络连接强度,描绘科研协作关系中知识流动方向;识别科研协作过程中节点角色,发掘城市科研协作主流模式;通过QAP分析,测度地理距离对节点间科研协作强度的影响,剖析节点科研实力与节点间科研协作强度的相关关系;借助演化分析,厘清科研协作网络发展历程及节点角色迁移情况。结果显示,上述主题在跨地域科研协作过程中既存在共性的节点分布、网络连接和扩展模式,又表现出一定的学科差异。图5。表11。参考文献23。 相似文献
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Book editors in the social sciences and humanities: an analysis of publication and collaboration patterns of established researchers in Flanders 
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下载免费PDF全文 Book editors in the social sciences and humanities play an important role in their fields but little is known about their typical publication and collaboration patterns. To partially fill this gap, we compare Flemish editors and other researchers, in terms of career stage, productivity, publication types, publications with domestic and international collaboration as well as the number of (international or all) unique co‐authors, co‐editors and associated book chapter authors. The results show that editors are mostly established researchers, especially in the social sciences, produce more book chapters and monographs than do other researchers, and are more productive. Nevertheless, editors collaborate less than do other researchers, both in terms of publications and in number of co‐authors. Including book chapter authors in the editors' collaboration networks makes those networks substantially larger, demonstrating that editors do not mainly call upon authors from their existing collaboration network when choosing book chapter authors in the edited books. Finally, editors seem to co‐author with their book chapter authors slightly more often after the publication of the edited book than before. 相似文献
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Collaboration networks have primarily been studied in developed economies. In this paper, we present a comprehensive analysis of co-inventor networks in a small but thriving OECD economy in Latin America: Chile. Using a dataset for patents granted in the country between 1989 and 2018, we study a variety of statistical properties for five different co-inventor networks. We show that these networks exhibit power-law, small-world, and preferential attachment properties, all of which have been used to describe networks in more advanced economies. We also highlight some apparent differences in collaboration patterns between networks (and inventors) and we reveal the precarious nature of the network of local inventors by confirming the community structure property. Evidence for strong positive autocorrelation between highly and lowly productive inventors is presented via methods used in spatial econometrics. Our results show that the inventor system in Chile is highly fragmented, which emphasizes the need for strong government intervention in steering research funding, and for more collaboration between inventors, especially local ones. 相似文献
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将复杂网络的研究方法引入到科研合作网络的研究中,为分析和评价科研人员提供了一个新途径.文章以合作网络为背景,微观深入地研究了科研合作网络中个体成员的网络生命特性,从全局网络和局部社团演化的角度定量分析个体网络生命过程对网络发展的影响.文章以大量的科技文献数据为实验数据集,以网络演化为线索跟踪个体成员的生命过程,同时考虑网络演化中的普通成员和核心成员对社团演化的不同影响,定量分析演化特性和个体网络生命过程.数据分析证实了科研团队要持续不断地发展,既要不断吸纳新成员为科研团队注入新活力,同时又要有相对稳定的中坚力量维持着团队的科研方向.更进一步地,文章的研究方法可以扩展到对其他社会组织分析,追踪分析相关组织的发展趋势及关键人物对组织演化的影响. 相似文献
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J. Clemente-Gallardo A. Ferrer D. Íñiguez A. Rivero G. Ruiz A. Tarancón 《Journal of Informetrics》2019,13(1):64-77
The aim of this paper is to establish the similarities and differences between the way of collaboration and the production of researchers when dealing with publications or with the development of projects and whether the collaboration patterns change across disciplines.We have studied the networks of researchers formed through the collaborations in papers or in projects in a research institution (the University of Zaragoza) and we have analyzed a series of individual and global magnitudes. As a general result, we have observed that the laws governing the individual productivity are similar for the cases of publications and projects but, however, the behavior is different when analyzing more complex magnitudes such as the collaborations or other structural variables. We consider also the subnetworks defined by the researchers of the different disciplines and characterize their topologies and compare the corresponding collaboration patterns.Because of the general approach, we expect most of the conclusions to be applicable to other universities or research centers. 相似文献
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以WoS收录的25位普赖斯奖得主论文数据为依据,运用社会网络分析法研究该获奖群体间的科学合作网络。结果表明:各获奖者合作活跃程度不一,网络中形成若干核心节点;合作网络主要由4个作者聚集群体组成,并确定普赖斯奖得主合作网络中的部分中国学者;合作网络越大、合著越多的获奖者通常有较高的学术论文产出;增强科学合作对提升部分学术影响力指标有积极影响。 相似文献
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顾东蕾 《中华医学图书馆杂志》2008,(6):7-10
药物基因组学是一门年轻的学科领域。该领域内相关科学研究工作者之间形成的科研合作关系网络,也具有类似许多大型合作关系网络数据库所具有的无尺度网络特性,其非连通合作网络内部具有较大连通组群的聚类特性和小世界特征等相关性质。 相似文献
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[目的/意义] 开放式创新理论提出以来,国内外关于社会化网络与开放式创新能力的研究较少,且未形成一个清晰的理论框架,正确理解社会化网络对于开放式创新能力的作用以及其中知识协同的中介效应,对于开放式创新实践及理论发展具有重要意义。[方法/过程] 基于对现有文献的整理与分析,在界定社会化网络与知识协同的关系基础上,以知识协同为中介效应,从5个方面探究社会化网络对于开放式创新能力的作用机制。[结果/结论] 总结出社会化网络对开放式创新能力作用的S-K-OIC-OIP研究框架与理论链,为开放式创新在社会化网络下的创新实践提供理论参考。 相似文献
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How does the collaboration network of researchers coalesce around a scientific topic? What sort of social restructuring occurs as a new field develops? Previous empirical explorations of these questions have examined the evolution of co-authorship networks associated with several fields of science, each noting a characteristic shift in network structure as fields develop. Historically, however, such studies have tended to rely on manually annotated datasets and therefore only consider a handful of disciplines, calling into question the universality of the observed structural signature. To overcome this limitation and test the robustness of this phenomenon, we use a comprehensive dataset of over 189,000 scientific articles and develop a framework for partitioning articles and their authors into coherent, semantically related groups representing scientific fields of varying size and specificity. We then use the resulting population of fields to study the structure of evolving co-authorship networks. Consistent with earlier findings, we observe a global topological transition as the co-authorship networks coalesce from a disjointed aggregate into a dense giant connected component that dominates the network. We validate these results using a separate, complimentary corpus of scientific articles, and, overall, we find that the previously reported characteristic structural evolution of a scientific field's associated co-authorship network is robust across a large number of scientific fields of varying size, scope, and specificity. Additionally, the framework developed in this study may be used in other scientometric contexts in order to extend studies to compare across a larger range of scientific disciplines. 相似文献
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[目的/意义]从纵向演化与横向区域比较两个维度,探究包括中国在内的65个"一带一路"沿线国家的科研合作情况,为我国与沿线国家开展科研合作和政策制定提供参考。[方法/过程]以Web of Science核心合集作为数据来源,抓取65个国家20年间近240万条学术论文的跨国合作数据;使用社会网络分析方法,构建"一带一路"沿线国家的论文合著网络。然后从网络整体、核心国家、科研小团体三方面分析该网络现状及演化过程,并对核心国家之间的主要科研合作内容进行探究。[结果/结论]整体来看,合作网络的密度呈波动上升的趋势,这说明国家间的科研合作规模越来越大,但部分国家在科研合作开放程度上表现不佳,在"一带一路"沿线国家中衰弱型和沉睡型国家较多;中国、俄罗斯、波兰、捷克共和国、匈牙利、印度和土耳其的核心度一直较高,合作内容多属物理学及相关学科;除核心国家之外的"一带一路"沿线国家与地理位置上邻近的国家合作较多,东南亚、欧洲、中亚、中东等地区的区域聚集特征比较明显。 相似文献
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The purpose of this paper is to analyse and describe the topological properties of the institutional and national collaboration network from the profiles extracted from Google Scholar Citations (GSC). 19,912 unique profiles with “co-authors” were obtained from a web crawl performed in March 2012. Several statistical and network analysis techniques were used to map and analyse these collaboration relationships at the country and institution level. Results show that The United States dominates the world scientific map and that every research institution is grouped by national, geographical and cultural criteria. A clustering phenomenon based on the self-similarity and fractal properties of scale-free networks is also observed. We conclude that GSC is a suitable tool for collaboration studies only at macro level between countries and institutions. 相似文献
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A hallmark of today’s civil society sector is the prevalence of collaborative interorganizational networks. The purpose of this study is to investigate how collaborative interorganizational network structures affect interactions within client networks, and how this in turn impacts assessments of collaborative interorganizational network effectiveness. In particular, we focus on recommendations as key indicators of collaborative interorganizational network effectiveness in relation to client networks. We identify client networks of phantom populations as an important but unexamined aspect of collaborative interorganizational network effectiveness that warrants further research. We present an empirical investigation of a collaborative interorganizational network of social service agencies working to address the problem of homelessness in Boulder County, Colorado (USA). Findings indicate that organizations with a greater number of connections with other organizations generate more recommendations within client networks. Our study demonstrates a relationship between the degree of connections within a collaborative interorganizational network structure and the recommendations generated with a phantom population. 相似文献
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[目的/意义]基于科学数据构建合作网络,并与传统出版物合作网络进行比较,从网络分析层面解读两个合作网络的差异,为科学数据管理工作提供借鉴。[方法/过程]以ClinicalTrials.gov网站的临床科学数据库为例,利用爬虫抓取该网站上传统论文题录信息以及临床试验信息的元数据并分别构建合作网络,通过复杂网络分析比较试验合作机构网络与论文合作机构网络之间的异同。[结果/结论]基于科学数据集和论文数据集的元数据构建的合作网络,与仅从论文数据集中提取元数据构建的网络相比,前者能够展现更丰富准确的合作信息,从而揭示科学数据管理和开放共享的重要性。 相似文献