The journal impact factor is the most widely cited bibliometric tool used to characterise journals. It was originally proposed 50 years ago as a measure of the impact that individual articles have on the research community, but it is now more commonly used across all articles published by a ...
The impact factors of open access and subscription journals across fields. We have compared the 2-year and 5-year impact factors (IFs), normalized impact factors (NIFs) and rank normalized impact factors (RNIFs) of open access (OA... Gunasekaran,Subbiah,Arunachalam - 《Current Science》 被引...
The Journal Citation Reports ranks the Stata Journal consistently in the top 20 among journals in the Social Sciences, Mathematical Methods category in terms of citations, impact factor, and five-year impact factor. The Stata Journal has a two-year impact factor of 3.2. The Stata Journal is ...
An indicator of the impact of journals based on the percentage of their highly cited publications Purpose: The two most used citation impact indicators in the assessment of scientific journals are, nowadays, the impact factor and the h-index. However, b... Gonzalez-Betancor, Sara M,Dorta-Gonz...
Check access to the full text by signing in through your organization. Access through your organization References (2) The Impact Factor Game. PLoS Med 2006;3:e291... Begley S. Science journals artfully try to boost their rankings. The Wall Street Journal, June 5, 2006 (Page...Cited...
We integrate approximately one million aerial site measurements into regional emissions inventories for six regions in the USA, finding methane emission intensities that vary by more than a factor of ten. Evan D. Sherwin , Jeffrey S. Rutherford & Adam R. Brandt Article 06 March 2024 | Open...
We investigated the distribution of citations included in documents labeled by the ISI as "editorial material" and how they contribute to the impact factor of journals in which the citing items were published. We studied all documents classified by the ISI as "editorial material" in the Science...
New journals receive their impact factor after 2 years, whereas some journals also use the parameter 5-year impact factor, which is a similar metric calculated over 5 years. In that case, the impact factor formula would change to include the number of publications from the past 5 years. Our...
JCR中,期刊影响因子(JIF,Journals Impact Factor)是指该刊前两年发表的文献在当前年的平均被引用次数。影响因子越高,刊物的学术水平越高。A.正确B.错误的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将
The aim of this study was to ascertain the possible effect of journal self-citations on the increase in the impact factors of journals in which this scientometric indicator rose by a factor of at least four in only a few years. Forty-three journals were selected from the Thomson—Reuters (...