期刊
SCIENTOMETRICS
卷 126, 期 1, 页码 849-857出版社
SPRINGER
DOI: 10.1007/s11192-020-03697-x
关键词
Early access; Publication date; Web of Science Core Collection; Science Citation Index; Bibliometric analysis
资金
- National Natural Science Foundation of China [71801189]
- Zhejiang Provincial Natural Science Foundation of China [LQ18G030010]
Web of Science Core Collection is an authoritative bibliographic database widely used in academia. The database has introduced a new practice of indexing online-first articles, leading to two different publication dates which may affect users searching or analyzing literature. The study shows that the publication year field in the database has specific functions for users to filter and analyze literature.
Web of Science Core Collection, one of the most authoritative bibliographic databases, is widely used in academia to track high-quality research. This database has begun to index online-first articles since December 2017. This new practice has introduced two different publication dates (online and final publication dates) into the database for more and more early access publications. It may confuse many users who want to search or analyze literature by using the publication-year related tools provided by Web of Science Core Collection. By developing custom retrieval strategies and checking manually, this study finds that the year published field in search page searches in both online and final publication date fields of indexed records. Each indexed record is allocated to only one publication year on the left of the search results page which will inherit first from online publication date field even when the online publication date is later than the final publication date. The publication year field in the results analysis page and the timespan custom year range field in the search page have the same function as that of the filter publication year in search results page. The potential impact of the availability of two different publication dates in calculating bibliometric indicators is also discussed at the end of the article.
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