Evaluating scientific impact of publications: combining citation polarity and purpose

Heng Huang, Donghua Zhu and Xuefeng Wang ()
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Heng Huang: Beijing Institute of Technology
Donghua Zhu: Beijing Institute of Technology
Xuefeng Wang: Beijing Institute of Technology

Scientometrics, 2022, vol. 127, issue 9, No 10, 5257-5281

Abstract: Abstract Citation counts are commonly used to evaluate the scientific impact of a publication on the general premise that more citations probably mean more endorsements. However, two questionable assumptions underpin this idea: a) that all authors contributed equally to the paper; and b) that the endorsement is positive. Obviously, neither of these assumptions hold true. Hence, with this study, we examine two components of citations—their purpose, i.e., the reason for the citation, and polarity, being the author’s attitude toward the cited work. Our findings provide a new perspective on the scientific impact of highly-cited publications. Our methodology consists of three steps. Firstly, a pre-trained model composed of a Word2Vec—a well-known word embedding approach—and a convolutional neural network (CNN) is used to identify citation polarity and purpose. Secondly, in a set of highly-cited papers, we compare eight categories of purpose from foundational to critical and three categories of polarity: positive, negative, and neutral. We further explore how different types of papers—those discussing discoveries or those discussing utilitarian topics—influence the evaluation of scientific impact of papers. Finally, we mine and discover the knowledge (e.g. method, concept, tool or data) to explain the actual scientific impact of a highly-cited paper. To demonstrate how combining citation polarity with purpose can provide far greater details of a paper’s scientific impact, we undertake a case study with 370 highly-cited journal articles spanning “Biochemistry & Molecular Biology” and “Genetics & Heredity”. The results yield valuable insights into the assumption about citation counts as a metric for evaluating scientific impact.

Keywords: Scientific impact; Citation polarity; Citation purpose; CNN; Word2Vec (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s11192-021-04183-8

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