Yangge Tian

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A bibliometric analysis was applied in this work to evaluate global scientific production of data mining papers of the Science Citation Index (SCI), which was compiled by Institute for Scientific Information (ISI), Philadelphia, USA. The published output analysis showed that data mining research steadily increased over the past 20 years and the annual paper(More)
A bibliometric analysis was applied in this work to evaluate global scientific production of geographic information system (GIS) papers from 1997 to 2006 in any journal of all the subject categories of the Science Citation Index compiled by Institute for Scientific Information (ISI), Philadelphia, USA. ‘GIS’ and ‘geographic information system’ were used as(More)
A bibliometric analysis was applied in this work to compare SCI and EI papers on GIS. The published output analysis showed that GIS research has steadily increased in both databases of SCI and EI. The different characteristics of SCI and EI databases in journals and keywords were also discovered. It showed that we should select proper database according to(More)
To be effective to retain customers and enhance the marketing capabilities, it is necessary to improve the personalization of e-commerce systems. Clustering is a reliable and efficient technology to provide personal service in ecommerce system. However, current research on clustering algorithm usually based on numeric data or categorical data. To analysis(More)
The diffusion of knowledge and technology is a complex spatial process. Using geovisualization technology to visualize and analyze diffusion and dissemination of knowledge from the spatial view is of great value. Selecting the field of data mining as research subjects, we bring forward a new way to visualize knowledge diffusion of SCI papers based on the(More)
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