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題名 Comprehensiveness and uniqueness of commercial databases and open access systems
作者 蔡明月
Tsay, Ming-Yueh
Tseng, Yu-Wei
Wu, Tai-Luan
貢獻者 圖檔所
關鍵詞 Citation index database ; Open access system  ; Comprehensiveness of database coverage ; Scholarly communication ; Academic assessment
日期 2019-10
上傳時間 2-九月-2020 09:16:59 (UTC+8)
摘要 In this study, scholarly communication systems provided by commercial services and open access systems are examined on the basis of the comprehensiveness and uniqueness of their coverage. Commercial databases (Web of Science and Scopus) are compared with search engine (Google Scholar), aggregate institutional repositories (OAIster and OpenDOAR), and the open access system for physics research (arXiv). Retrievals were conducted from the six databases or systems, and the output at each location was compared with that at the others. Journal articles published by Nobel laureates in physics from 2001 to 2013 were selected as samples in this study. The study reveals that search engine tend to provide more resources than do commercial databases but also that commercial databases have better coverage than institutional repositories. Institutional repositories showed a zero percentage of uniqueness when compared with Google Scholar. The results of the present study may provide suggestions to researchers, thereby enabling them to select better information and reference sources for scholarly assessment of individual research productivity and influence; consequently, their international visibility and diffusion may be enhanced.
關聯 Scientometrics, Vol.121, No.3, pp.1323-1338
資料類型 article
DOI https://doi.org/10.1007/s11192-019-03252-3
dc.contributor 圖檔所
dc.creator (作者) 蔡明月
dc.creator (作者) Tsay, Ming-Yueh
dc.creator (作者) Tseng, Yu-Wei
dc.creator (作者) Wu, Tai-Luan
dc.date (日期) 2019-10
dc.date.accessioned 2-九月-2020 09:16:59 (UTC+8)-
dc.date.available 2-九月-2020 09:16:59 (UTC+8)-
dc.date.issued (上傳時間) 2-九月-2020 09:16:59 (UTC+8)-
dc.identifier.uri (URI) http://nccur.lib.nccu.edu.tw/handle/140.119/131418-
dc.description.abstract (摘要) In this study, scholarly communication systems provided by commercial services and open access systems are examined on the basis of the comprehensiveness and uniqueness of their coverage. Commercial databases (Web of Science and Scopus) are compared with search engine (Google Scholar), aggregate institutional repositories (OAIster and OpenDOAR), and the open access system for physics research (arXiv). Retrievals were conducted from the six databases or systems, and the output at each location was compared with that at the others. Journal articles published by Nobel laureates in physics from 2001 to 2013 were selected as samples in this study. The study reveals that search engine tend to provide more resources than do commercial databases but also that commercial databases have better coverage than institutional repositories. Institutional repositories showed a zero percentage of uniqueness when compared with Google Scholar. The results of the present study may provide suggestions to researchers, thereby enabling them to select better information and reference sources for scholarly assessment of individual research productivity and influence; consequently, their international visibility and diffusion may be enhanced.
dc.format.extent 668887 bytes-
dc.format.mimetype application/pdf-
dc.relation (關聯) Scientometrics, Vol.121, No.3, pp.1323-1338
dc.subject (關鍵詞) Citation index database ; Open access system  ; Comprehensiveness of database coverage ; Scholarly communication ; Academic assessment
dc.title (題名) Comprehensiveness and uniqueness of commercial databases and open access systems
dc.type (資料類型) article
dc.identifier.doi (DOI) 10.1007/s11192-019-03252-3
dc.doi.uri (DOI) https://doi.org/10.1007/s11192-019-03252-3