Journal
QUANTITATIVE SCIENCE STUDIES
Volume 1, Issue 1, Pages 183-206Publisher
MIT PRESS
DOI: 10.1162/qss_a_00014
Keywords
classification
Categories
Funding
- Air Force Office of Scientific Research [FA9550-19-1-0391]
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Classification of bibliographic items into subjects and disciplines in large databases is essential for many quantitative science studies. The Web of Science classification of journals into approximately 250 subject categories, which has served as a basis for many studies, is known to have some fundamental problems and several practical limitations that may affect the results from such studies. Here we present an easily reproducible method to perform reclassification of the Web of Science into existing subject categories and into 14 broad areas. Our reclassification is at the level of articles, so it preserves disciplinary differences that may exist among individual articles published in the same journal. Reclassification also eliminates ambiguous (multiple) categories that are found for 50% of items and assigns a discipline/field category to all articles that come from broad-coverage journals such as Nature and Science. The correctness of the assigned subject categories is evaluated manually and is found to be similar to 95%.
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