Tag Archives: Citation analysis

The use of open resources among highly cited young Ukrainian scientists

« There are scientific and educational institutions in Ukraine which actively introduce and fill up open sources in web to make integration of Ukrainian scientists into worldwide communication more effective. Ukrainian scientists’ citation boost with their complete works available at open sources must indicate the success of such integration. This article, grounding in Scopus and Google Scholar data, investigates the types of scientific web-sources used by Ukrainian scientists for promotion of their works. »

URL : http://eprints.rclis.org/25210/

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30 mai 2015 · 18 h 34 min

The Open Access Advantage Considering Citation, Article Usage and Social Media Attention

« In this study, we compare the difference in the impact between open access (OA) and non-open access (non-OA) articles. 1761 Nature Communications articles published from 1 Jan. 2012 to 31 Aug. 2013 are selected as our research objects, including 587 OA articles and 1174 non-OA articles. Citation data and daily updated article-level metrics data are harvested directly from the platform of nature.com. Data is analyzed from the static versus temporal-dynamic perspectives. The OA citation advantage is confirmed, and the OA advantage is also applicable when extending the comparing from citation to article views and social media attention. More important, we find that OA papers not only have the great advantage of total downloads, but also have the feature of keeping sustained and steady downloads for a long time. For article downloads, non-OA papers only have a short period of attention, when the advantage of OA papers exists for a much longer time. »

URL : http://arxiv.org/abs/1503.05702

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23 mars 2015 · 23 h 04 min

Will Open Access Get Me Cited? An Analysis of the Efficacy of Open Access Publishing in Political Science

« The digital revolution has made it easier for political scientists to share and access high-quality research online. However, many articles are stored in proprietary databases that some institutions cannot afford. High-quality, peer-reviewed, top-tier journal articles that have been made open access (OA) (i.e., freely available online) theoretically should be accessed and cited more easily than articles of similar quality that are available only to paying customers. Research into the efficacy of OA publishing thus far has focused mainly on the natural sciences, and the results have been mixed. Because OA has not been as widely adopted in the social sciences, disciplines such as political science have received little attention in the OA research. In this article, we seek to determine the efficacy of OA in political science. Our primary hypothesis is that OA articles will be cited at higher rates than articles that are toll access (TA), which means available only to paying customers. We test this hypothesis by analyzing the mean citation rates of OA and TA articles from eight top-ranked political science journals. We find that OA publication results in a clear citation advantage in political science publishing. »

URL : http://dx.doi.org/10.1017/S1049096514001668

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14 janvier 2015 · 21 h 09 min

Return on citation: a consistent metric to evaluate papers, journals and researchers

« Evaluating and comparing the academic performance of a journal, a researcher or a single paper has long remained a critical, necessary but also controversial issue. Most of existing metrics invalidate comparison across different fields of science or even between different types of papers in the same field. This paper proposes a new metric, called return on citation (ROC), which is simply a citation ratio but applies to evaluating the paper, the journal and the researcher in a consistent way, allowing comparison across different fields of science and between different types of papers and discouraging unnecessary and coercive/self-citation. »

URL : http://arxiv.org/abs/1412.8420

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30 décembre 2014 · 18 h 10 min

On the Shoulders of Giants: The Growing Impact of Older Articles

« In this paper, we examine the evolution of the impact of older scholarly articles. We attempt to answer four questions. First, how often are older articles cited and how has this changed over time. Second, how does the impact of older articles vary across different research fields. Third, is the change in the impact of older articles accelerating or slowing down. Fourth, are these trends different for much older articles.
To answer these questions, we studied citations from articles published in 1990-2013. We computed the fraction of citations to older articles from articles published each year as the measure of impact. We considered articles that were published at least 10 years before the citing article as older articles. We computed these numbers for 261 subject categories and 9 broad areas of research. Finally, we repeated the computation for two other definitions of older articles, 15 years and older and 20 years and older.
There are three conclusions from our study. First, the impact of older articles has grown substantially over 1990-2013. In 2013, 36% of citations were to articles that are at least 10 years old; this fraction has grown 28% since 1990. The fraction of older citations increased over 1990-2013 for 7 out of 9 broad areas and 231 out of 261 subject categories. Second, the increase over the second half (2002-2013) was double the increase in the first half (1990-2001).
Third, the trend of a growing impact of older articles also holds for even older articles. In 2013, 21% of citations were to articles >= 15 years old with an increase of 30% since 1990 and 13% of citations were to articles >= 20 years old with an increase of 36%.
Now that finding and reading relevant older articles is about as easy as finding and reading recently published articles, significant advances aren’t getting lost on the shelves and are influencing work worldwide for years after. »

URL : http://arxiv.org/abs/1411.0275

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18 décembre 2014 · 21 h 28 min