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NRC Publications Archive
External research report . 2019
https://dx.doi.org/10.4224/400...
External research report . 2019
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Patent data analysis

Authors: Xu, Anbo; Wang, Yunli;

Patent data analysis

Abstract

This project mainly focused on the patent analysis in the KIND (Knowledge and Innovation Network Data) project, a data repository which links patent data to academic funding data and industrial funding data. In this project, we mainly conducted three sections of work on patent data: topic models and competitor analysis using LDA (Latent Dirichlet Allocation) models, patent classification using GCN (Graph Convolutional Network), and information pathway. The experiments show that LDA is able to identify technology trends in patents and GCN’s performance is great on large patent datasets using citation networks as graphs and BOW (bag of words) vectors as features. GCN performs well with a small portion of training data. We are also able to visualize dynamic information flow through information pathway.

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Keywords

representation learning, text mining, business intelligence

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    popularity
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green