[Purpose/significance] The technology theme map is one of the effective methods to carry out the technical analysis and technical route tracking. To draw a technology theme map more economically and clearly,an economic method of drawing a technology theme map is proposed. [Method/process] Fruchterman-Reingold and VosMapping algorithm were used to compute keywords.Then, a plane pixel density function was uesed to draw a map.[Result/conclusion] The software including data processing, node layout, graphics rendering, human-computer interaction based on the proposed method is designed. The method is applied to the 3D printing patent in China. The results show that the method is simple and effective.
Liu Yuqin
,
Pang Jinhui
,
Cui Zhicheng
,
Wang Xuefeng
,
Gui Jie
. An Economic Method of Drawing a Technology Theme Map[J]. Library and Information Service, 2017
, 61(13)
: 125
-132
.
DOI: 10.13266/j.issn.0252-3116.2017.13.015
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