A pre-selection space time model was proposed to estimate the traffic condition at poor-data-detector,especially non-detector locations.The space time model is better to integrate the spatial and temporal information ...A pre-selection space time model was proposed to estimate the traffic condition at poor-data-detector,especially non-detector locations.The space time model is better to integrate the spatial and temporal information comprehensibly.Firstly,the influencing factors of the "cause nodes" were studied,and then the pre-selection "cause nodes" procedure which utilizes the Pearson correlation coefficient to evaluate the relevancy of the traffic data was introduced.Finally,only the most relevant data were collected to compose the space time model.The experimental results with the actual data demonstrate that the model performs better than other three models.展开更多
基础科学的发展水平和综合研究实力是衡量一所大学内涵建设的一个重要标志。利用Web of Science数据库,以地址和出版年为关键词,统计并分析了2000—2012年山东科技大学发表的论文被SCIE收录的情况,并按出版年、出版物和研究方向等做了...基础科学的发展水平和综合研究实力是衡量一所大学内涵建设的一个重要标志。利用Web of Science数据库,以地址和出版年为关键词,统计并分析了2000—2012年山东科技大学发表的论文被SCIE收录的情况,并按出版年、出版物和研究方向等做了较为详细的分类研究,对存在的问题和今后的发展提出了建议。展开更多
基金Project(D101106049710005) supported by the Beijing Science Foundation Program,ChinaProject(61104164) supported by the National Natural Science Foundation,China
文摘A pre-selection space time model was proposed to estimate the traffic condition at poor-data-detector,especially non-detector locations.The space time model is better to integrate the spatial and temporal information comprehensibly.Firstly,the influencing factors of the "cause nodes" were studied,and then the pre-selection "cause nodes" procedure which utilizes the Pearson correlation coefficient to evaluate the relevancy of the traffic data was introduced.Finally,only the most relevant data were collected to compose the space time model.The experimental results with the actual data demonstrate that the model performs better than other three models.
文摘基础科学的发展水平和综合研究实力是衡量一所大学内涵建设的一个重要标志。利用Web of Science数据库,以地址和出版年为关键词,统计并分析了2000—2012年山东科技大学发表的论文被SCIE收录的情况,并按出版年、出版物和研究方向等做了较为详细的分类研究,对存在的问题和今后的发展提出了建议。
