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Data Analysis and Knowledge Discovery  2018, Vol. 2 Issue (8): 1-9    DOI: 10.11925/infotech.2096-3467.2018.0251
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Visualizing Appropriation of Research Funding with t-SNE Algorithm
Chen Ting1,2,3(), Li Guopeng3, Wang Xiaomei3
1National Science Library, Chinese Academy of Sciences, Beijing 100190, China
2University of Chinese Academy of Sciences, Beijing 100049, China
3Institutes of Science and Development, Chinese Academy of Sciences, Beijing 100190, China
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[Objective] This paper designs a visualization method for the appropriation of research funding, aiming to more effectively present the locations of funded projects. [Methods] First, we retrieved 4,669 funded projects from NSF’s Information and Intelligent System. Then, we added topic tags to these projects using clustering algorithm and human interpretation. Third, we extracted the high-dimensional text features for the application documents with TF-IDF model and LSA model. Fourth, we used the t-SNE algorithm to project high-dimensional features into two or three-dimensional spaces for visualization. Finally, we examined the visualization results with pre-classified topic labels. [Results] The proposed method created maps of funded projects, in both two-dimensional or three-dimensional spaces. [Limitations] The algorithm parameters need to be adjusted manually. More research is needed to evaluate the proposed method with documents of projects funded by other agencies. [Conclusions] The proposed method could generate maps for the funded projects, which is a helpful tool for scientific management.

Key wordsResearch Awards      Funding Map      LSA      t-SNE      Visualization     
Received: 07 March 2018      Published: 08 September 2018
ZTFLH:  P315 G312  

Cite this article:

Chen Ting,Li Guopeng,Wang Xiaomei. Visualizing Appropriation of Research Funding with t-SNE Algorithm. Data Analysis and Knowledge Discovery, 2018, 2(8): 1-9.

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