Characterization of the technological domain of relational citation analyses: A study of stem cell patents

IF 2.2 Q2 INFORMATION SCIENCE & LIBRARY SCIENCE

World Patent Information Pub Date : 2024-07-30 DOI:10.1016/j.wpi.2024.102302

Fernanda Bochi, Maria Cláudia Cabrini Grácio

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Abstract

This research aims to analyze the contribution of univariate and relational citation analysis methods, applied to patents, for the identification and characterization of scientific-technological domains, in documents indexed in the Derwent Innovation Index database. The adopted method was patentometrics associated with bibliometrics, using joint analysis of the relational bibliometric citation methods: co-citation and bibliographic coupling. The corpus of the study is composed of 144 patent families. Through the bibliographic coupling, 5 theme clusters and researchers with well-defined thematic domains were observed. Employing co-citation, 23 clusters were identified, characterizing the epistemic domains related to technological currents in which stem cell inventors operate. Such results allowed us to prospect the scientific-technological scenario in this theme, which can illustrate some institutions’ innovation potentials and explain who the actors at the forefront of such research are. It is proposed that applying this methodology allies to topic modeling techniques.

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关系引文分析技术领域的特征：干细胞专利研究

本研究旨在分析适用于专利的单变量和关系引文分析方法对识别和描述德文特创新指数数据库所索引的文件中的科技领域的贡献。所采用的方法是专利计量学与文献计量学相结合的方法，使用联合分析关系文献计量学引文方法：联合引用和文献耦合。研究语料库由 144 个专利族组成。通过书目耦合，观察到 5 个主题集群和具有明确主题领域的研究人员。通过共同引用，确定了 23 个群组，描述了干细胞发明者所处的与技术潮流相关的认识论领域。这些结果使我们能够展望这一主题的科技前景，从而说明一些机构的创新潜力，并解释谁是处于此类研究前沿的参与者。建议将这一方法应用于主题建模技术。

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来源期刊

World Patent Information INFORMATION SCIENCE & LIBRARY SCIENCE-

CiteScore

3.50

自引率

18.50%

发文量

期刊介绍： The aim of World Patent Information is to provide a worldwide forum for the exchange of information between people working professionally in the field of Industrial Property information and documentation and to promote the widest possible use of the associated literature. Regular features include: papers concerned with all aspects of Industrial Property information and documentation; new regulations pertinent to Industrial Property information and documentation; short reports on relevant meetings and conferences; bibliographies, together with book and literature reviews.