运用CitNetExplorer和VOSviewer两款知识图谱软件对Web of Science数据库核心合集收录的1384篇以智慧图书馆(samrt library)为研究主题的文献进行引文网络聚类分析、核心文献分析、关键词聚类图谱分析、关键词时间图谱和研究密度视图分...运用CitNetExplorer和VOSviewer两款知识图谱软件对Web of Science数据库核心合集收录的1384篇以智慧图书馆(samrt library)为研究主题的文献进行引文网络聚类分析、核心文献分析、关键词聚类图谱分析、关键词时间图谱和研究密度视图分析,探索国际智慧图书馆的研究现状、研究热点、发展阶段、研究前沿和发展前沿。通过研究发现:国际上该领域的研究分为智慧技术相关研究、智慧服务研究、智慧图书馆模型设计、智慧图书馆建设、智慧图书馆用户研究五类,智慧图书馆的研究初步形成研究分支,但是整体上研究较为分散,研究热点范围更加宽泛,作者之间的共引和合作交流有待加强;智慧图书馆的发展经历了萌芽时期、快速发展时期和稳定发展三个阶段;该领域的研究呈现注重用户研究、智慧服务发展和注重智慧馆员的发展研究三个发展趋势。根据以上研究发现,以期为国内智慧图书馆理论研究和实践应用提供参考和借鉴。展开更多
As a major strategic technology for reducing greenhouse gas emissions and ensuring energy security,carbon capture,utilization,and storage(CCUS)is of great significance to large-scale emission reduction.From the perspe...As a major strategic technology for reducing greenhouse gas emissions and ensuring energy security,carbon capture,utilization,and storage(CCUS)is of great significance to large-scale emission reduction.From the perspective of knowledge discovery,it is important to analyse the study progress based on existing study achievements,excavate the evolution characteristics of study topics over time,review stage-specific findings,and construct CCUS domain knowledge map.This will help researchers gain an overall understanding of CCUS studies and promote the industry-college-research cooperation in respect to CCUS.Based on the Web of Science(WOS)database platform and CitNet-Explorer software,the present study explore the international research progress,topic evolution track,research hotspot and research trend of CCUS technology since its birth nearly 30 years ago,using bibliometric method,citation network visualization analysis method and cluster analysis method.Through the analysis of literature citation network,it is found that:16 CCUS topics,6 hotspots have been studied in the last three decades.The topics of CCUS studies present an evolution path from CCUS technology security and economicfeasibility analysis to CCUS technological popularization,and then CCUS technological improvement and development.Cutting-edge CCUS looks at the process and infrastructure construction,cost effectiveness and development prospect analysis.CCUS focuses on improvement of process technologies and related infrastructure.展开更多
回指是一种重要的句法现象,近年来备受国内外学者的关注。运用CitNetExplorer、VOSviewer两款知识图谱软件对Web of Science数据库核心合集收录的943篇以回指为研究主题的核心文献进行分析,探索国际回指的研究现状、研究热点和研究前沿...回指是一种重要的句法现象,近年来备受国内外学者的关注。运用CitNetExplorer、VOSviewer两款知识图谱软件对Web of Science数据库核心合集收录的943篇以回指为研究主题的核心文献进行分析,探索国际回指的研究现状、研究热点和研究前沿,发现1990年以来回指发文量和被引频次整体呈增长趋势。943篇文献的聚类比约为44.71%,六大聚类分别为一语和二语中的回指、共指与计算语言学、回指与自然语言处理、回指加工、回指与手语、回指与对话。无论从出版物数量还是引文链接来看,前四类都是国际学者重点关注的领域,且这六大聚类被关键词的五个聚类囊括其中。核心文献之间共引关系紧密,高被引核心研究成果主要集中在2011至2020年。国际回指研究经历了从回指概念的界定、回指加工的探索到回指的应用三个阶段,反映出国际回指研究愈发成熟的研究现状和趋势。展开更多
With the rapid global progression of population aging,the traffic safety of older drivers has emerged as a worldwide concern,resulting in a significant surge in the number of manuscripts on this subject.This study emp...With the rapid global progression of population aging,the traffic safety of older drivers has emerged as a worldwide concern,resulting in a significant surge in the number of manuscripts on this subject.This study employed scientometric analysis to scrutinize 1652 original manuscripts concerning research on older drivers.To visually depict the current state of knowledge in the field,mapping knowledge domain(MKD)was employed for scientometric analysis,shedding light on the evolution of this research area.Firstly,a statistical analysis was conducted to scrutinize the development of research on older drivers.Secondly,VOSviewer was utilized for manuscript co-citation analysis,revealing five primary research topics:cognitive function and crash risk,visual processing impairment and crash risk,potential consequences of changes in driving patterns,involvement of older drivers in crashes,as well as identifying and enhancing factors contributing to unsafe driving.Thirdly,Cit Net Explorer was applied to identify core publications and their reference relationships.Research predominantly focused on visual function,cognitive function,and physical health.Fourthly,VOSviewer's keyword cocitation analysis pinpointed research hotspots in the last five years concerning older drivers:driving risk factors,driving fitness evaluation,impact of distraction on driving,and impact of visual impairment on driving.Finally,based on the aforementioned discussions and the situation in China,some feasible research directions are proposed.This paper summarizes the overall trends in the study of older drivers and the risk factors for traffic accidents.These findings can serve as a reference for improving the driving and road traffic safety of older drivers.展开更多
文摘运用CitNetExplorer和VOSviewer两款知识图谱软件对Web of Science数据库核心合集收录的1384篇以智慧图书馆(samrt library)为研究主题的文献进行引文网络聚类分析、核心文献分析、关键词聚类图谱分析、关键词时间图谱和研究密度视图分析,探索国际智慧图书馆的研究现状、研究热点、发展阶段、研究前沿和发展前沿。通过研究发现:国际上该领域的研究分为智慧技术相关研究、智慧服务研究、智慧图书馆模型设计、智慧图书馆建设、智慧图书馆用户研究五类,智慧图书馆的研究初步形成研究分支,但是整体上研究较为分散,研究热点范围更加宽泛,作者之间的共引和合作交流有待加强;智慧图书馆的发展经历了萌芽时期、快速发展时期和稳定发展三个阶段;该领域的研究呈现注重用户研究、智慧服务发展和注重智慧馆员的发展研究三个发展趋势。根据以上研究发现,以期为国内智慧图书馆理论研究和实践应用提供参考和借鉴。
基金Supported by the Fundamental Research funds for the China Central Universities“CCUS topic detection and evolution analysis based on CitNetExplorer”[Grant number.JBK2002042].
文摘As a major strategic technology for reducing greenhouse gas emissions and ensuring energy security,carbon capture,utilization,and storage(CCUS)is of great significance to large-scale emission reduction.From the perspective of knowledge discovery,it is important to analyse the study progress based on existing study achievements,excavate the evolution characteristics of study topics over time,review stage-specific findings,and construct CCUS domain knowledge map.This will help researchers gain an overall understanding of CCUS studies and promote the industry-college-research cooperation in respect to CCUS.Based on the Web of Science(WOS)database platform and CitNet-Explorer software,the present study explore the international research progress,topic evolution track,research hotspot and research trend of CCUS technology since its birth nearly 30 years ago,using bibliometric method,citation network visualization analysis method and cluster analysis method.Through the analysis of literature citation network,it is found that:16 CCUS topics,6 hotspots have been studied in the last three decades.The topics of CCUS studies present an evolution path from CCUS technology security and economicfeasibility analysis to CCUS technological popularization,and then CCUS technological improvement and development.Cutting-edge CCUS looks at the process and infrastructure construction,cost effectiveness and development prospect analysis.CCUS focuses on improvement of process technologies and related infrastructure.
文摘回指是一种重要的句法现象,近年来备受国内外学者的关注。运用CitNetExplorer、VOSviewer两款知识图谱软件对Web of Science数据库核心合集收录的943篇以回指为研究主题的核心文献进行分析,探索国际回指的研究现状、研究热点和研究前沿,发现1990年以来回指发文量和被引频次整体呈增长趋势。943篇文献的聚类比约为44.71%,六大聚类分别为一语和二语中的回指、共指与计算语言学、回指与自然语言处理、回指加工、回指与手语、回指与对话。无论从出版物数量还是引文链接来看,前四类都是国际学者重点关注的领域,且这六大聚类被关键词的五个聚类囊括其中。核心文献之间共引关系紧密,高被引核心研究成果主要集中在2011至2020年。国际回指研究经历了从回指概念的界定、回指加工的探索到回指的应用三个阶段,反映出国际回指研究愈发成熟的研究现状和趋势。
基金sponsored by the National Natural Science Foundation of China(No.52072012)。
文摘With the rapid global progression of population aging,the traffic safety of older drivers has emerged as a worldwide concern,resulting in a significant surge in the number of manuscripts on this subject.This study employed scientometric analysis to scrutinize 1652 original manuscripts concerning research on older drivers.To visually depict the current state of knowledge in the field,mapping knowledge domain(MKD)was employed for scientometric analysis,shedding light on the evolution of this research area.Firstly,a statistical analysis was conducted to scrutinize the development of research on older drivers.Secondly,VOSviewer was utilized for manuscript co-citation analysis,revealing five primary research topics:cognitive function and crash risk,visual processing impairment and crash risk,potential consequences of changes in driving patterns,involvement of older drivers in crashes,as well as identifying and enhancing factors contributing to unsafe driving.Thirdly,Cit Net Explorer was applied to identify core publications and their reference relationships.Research predominantly focused on visual function,cognitive function,and physical health.Fourthly,VOSviewer's keyword cocitation analysis pinpointed research hotspots in the last five years concerning older drivers:driving risk factors,driving fitness evaluation,impact of distraction on driving,and impact of visual impairment on driving.Finally,based on the aforementioned discussions and the situation in China,some feasible research directions are proposed.This paper summarizes the overall trends in the study of older drivers and the risk factors for traffic accidents.These findings can serve as a reference for improving the driving and road traffic safety of older drivers.
