该研究分析了当前生命科学中最具理论与应用价值的研究领域基因组学1991-2006年在知识维度上的演进过程。研究以Web of Science数据库的论文数据为基础,对基因组学领域高频关键词的共现矩阵进行了分析:三个不同时间段的多维尺度分析表明...该研究分析了当前生命科学中最具理论与应用价值的研究领域基因组学1991-2006年在知识维度上的演进过程。研究以Web of Science数据库的论文数据为基础,对基因组学领域高频关键词的共现矩阵进行了分析:三个不同时间段的多维尺度分析表明,处于不同发展阶段的关键词之间亲疏关系存在规律性特征,对这些特征的分析进一步可以揭示该领域目前所处的发展阶段;此外,不同阶段共现矩阵的因子分析展现了研究主题在时间轴上的变迁。数据分析表明:利用科学计量方法对基因组学演进过程进行研究可以挖掘大量有用的信息。展开更多
In the last decades many methods have been developed for the evaluation of the quality and impact of both the scientific research papers and scientists.Effectively identifying,discovering,and evaluating high-impact pa...In the last decades many methods have been developed for the evaluation of the quality and impact of both the scientific research papers and scientists.Effectively identifying,discovering,and evaluating high-impact papers using scientometric methods,and adopting reasonable evaluation procedures and methods are vital to stimulating scientists’creative vitality.Examples of methods used for evaluating impact are:h-index and the cited frequency of articles and the number of highly cited papers.Here we propose a new method to assess the scientist impact based on citation iteration.The method was inspired in the Page Rank algorithm.In the present study,both the number of citations and the citing publications after each citation were considered.According to the obtained results,the proposal allows a more accurate measurement of the impact of scientific papers.Also,the application of this method,it can greatly improve the judgment efficiency of high-impact scientists.We have also conducted an empirical study at three levels in the discipline of mathematics,namely the comparisons of two publications,two scientists and eight scientists.Results show that indexes proposed in this dissertation designed for the publications’impacts evaluation and scientists’impact evaluation can be used to find the cause behind the number of cited frequencies resulting in the impact difference.The Q-index for publications’impacts evaluation and F-index for scientists’impacts evaluation proposed in this article can be used more accurately to check and evaluate the impact of scientists.Additionally,these new indexes can be used in the research management of departments at all levels,and can be useful by the states to find leading scientists in several fields.展开更多
目的:分析国内外特种车辆设计研究现状,提出民用机场特种车辆造型设计趋势。方法:以CNKI与Web of Science收录的核心期刊作为数据源,使用科学计量学方法和CiteSpace软件进行知识图谱绘制,以可视化辅助数据呈现,归纳未来特种车辆造型设...目的:分析国内外特种车辆设计研究现状,提出民用机场特种车辆造型设计趋势。方法:以CNKI与Web of Science收录的核心期刊作为数据源,使用科学计量学方法和CiteSpace软件进行知识图谱绘制,以可视化辅助数据呈现,归纳未来特种车辆造型设计研究的发展趋势。结论:民用机场特种车辆造型设计要符合车辆模块化、高度智能化的发展趋势,满足功能的同时以整车统一性、整车整洁性为美学法则。展开更多
文摘该研究分析了当前生命科学中最具理论与应用价值的研究领域基因组学1991-2006年在知识维度上的演进过程。研究以Web of Science数据库的论文数据为基础,对基因组学领域高频关键词的共现矩阵进行了分析:三个不同时间段的多维尺度分析表明,处于不同发展阶段的关键词之间亲疏关系存在规律性特征,对这些特征的分析进一步可以揭示该领域目前所处的发展阶段;此外,不同阶段共现矩阵的因子分析展现了研究主题在时间轴上的变迁。数据分析表明:利用科学计量方法对基因组学演进过程进行研究可以挖掘大量有用的信息。
基金funded by the National Social Science Foundation of China-Community Research on Hybrid Networks for Scientific Structure Analysis(Grant No.19XTQ012)the National Key Research and Development Program of China(Grant No.2017YFB1402400)
文摘In the last decades many methods have been developed for the evaluation of the quality and impact of both the scientific research papers and scientists.Effectively identifying,discovering,and evaluating high-impact papers using scientometric methods,and adopting reasonable evaluation procedures and methods are vital to stimulating scientists’creative vitality.Examples of methods used for evaluating impact are:h-index and the cited frequency of articles and the number of highly cited papers.Here we propose a new method to assess the scientist impact based on citation iteration.The method was inspired in the Page Rank algorithm.In the present study,both the number of citations and the citing publications after each citation were considered.According to the obtained results,the proposal allows a more accurate measurement of the impact of scientific papers.Also,the application of this method,it can greatly improve the judgment efficiency of high-impact scientists.We have also conducted an empirical study at three levels in the discipline of mathematics,namely the comparisons of two publications,two scientists and eight scientists.Results show that indexes proposed in this dissertation designed for the publications’impacts evaluation and scientists’impact evaluation can be used to find the cause behind the number of cited frequencies resulting in the impact difference.The Q-index for publications’impacts evaluation and F-index for scientists’impacts evaluation proposed in this article can be used more accurately to check and evaluate the impact of scientists.Additionally,these new indexes can be used in the research management of departments at all levels,and can be useful by the states to find leading scientists in several fields.
文摘目的:分析国内外特种车辆设计研究现状,提出民用机场特种车辆造型设计趋势。方法:以CNKI与Web of Science收录的核心期刊作为数据源,使用科学计量学方法和CiteSpace软件进行知识图谱绘制,以可视化辅助数据呈现,归纳未来特种车辆造型设计研究的发展趋势。结论:民用机场特种车辆造型设计要符合车辆模块化、高度智能化的发展趋势,满足功能的同时以整车统一性、整车整洁性为美学法则。
