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Lobachevskii Journal of Mathematics

, Volume 40, Issue 11, pp 1873–1880 | Cite as

The Hybrid Method for Accurate Patent Classification

  • V. V. YadrintsevEmail author
  • I. V. SochenkovEmail author
Article
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Abstract

This article is dedicated to stacking of two approaches of patent classification. First is based on linguistically-supported k-nearest neighbors algorithm using the method of search for topically similar documents based on a comparison of vectors of lexical descriptors. Second is the word embeddings based fastText, where the sentence (or a document) vector is obtained by averaging the n-gram embeddings, and then a multinomial logistic regression exploits these vectors as features. We show in Russian and English datasets that stacking classifier shows better results compared to single classifiers.

Keywords and phrases

stacking similarity search KNN word embeddings fastText patent classification 

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Notes

Acknowledgments

We are grateful to the reviewers for careful reading of the manuscript and helpful remarks.

Funding

This article presents the research results of the project “Text mining tools for big data” as a part of the program supporting Technical Leadership Centers of the National Technological Initiative “Center for Big Data Storage and Processing” at the Moscow State University (Agreement with Fund supporting the NTI-projects no. 13/1251/2018 11.12.2018). The reported study is partially funded by the Russian Foundation for Basic Research (project no. 16-29-12929) and with the support of the “RUDN University Program 5–100.”

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  1. 1.Federal Research Center Computer Science and Control of the Russian Academy of SciencesMoscowRussia
  2. 2.Peoples’ Friendship University of Russia (RUDN University)MoscowRussia
  3. 3.Lomonosov Moscow State UniversityMoscowRussia

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