-
Lawrence, S.: Online or Invisible? (2001)
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- Abstract
- Articles freely available online are more highly cited. For greater impact and faster scientific progress, authors and publishers should aim to make research easy to access.
- Content
- The volume of scientific literature typically far exceeds the ability of scientists to identify and utilize all relevant information in their research. Improvements to the accessibility of scientific literature, allowing scientists to locate more relevant research within a given time, have the potential to dramatically improve communication and progress in science. With the web, scientists now have very convenient access to an increasing amount of literature that previously required trips to the library, inter-library loan delays, or substantial effort in locating the source. Evidence shows that usage increases when access is more convenient, and maximizing the usage of the scientific record benefits all of society. Although availability varies greatly by discipline, over a million research articles are freely available on the web. Some journals and conferences provide free access online, others allow authors to post articles on the web, and others allow authors to purchase the right to post their articles on the web. In this article we investigate the impact of free online availability by analyzing citation rates. We do not discuss methods of creating free online availability, such as time-delayed release or publication/membership/conference charges. Online availability of an article may not be expected to greatly improve access and impact by itself. For example, efficient means of locating articles via web search engines or specialized search services is required, and a substantial percentage of the literature needs to be indexed by these search services before it is worthwhile for many scientists to use them. Computer science is a forerunner in web availability -- a substantial percentage of the literature is online and available through search engines such as Google (google.com), or specialized services such as ResearchIndex (researchindex.org). Even so, the greatest impact of the online availability of computer science literature is likely yet to come, because comprehensive search services and more powerful search methods have only become available recently. We analyzed 119,924 conference articles in computer science and related disciplines, obtained from DBLP (dblp.uni-trier.de). In computer science, conference articles are typically formal publications and are often more prestigious than journal articles, with acceptance rates at some conferences below 10%. Citation counts and online availability were estimated using ResearchIndex. The analysis excludes self-citations, where a citation is considered to be a self-citation if one or more of the citing and cited authors match.
- Theme
- Elektronisches Publizieren
-
Maflahi, N.; Thelwall, M.: How quickly do publications get read? : the evolution of mendeley reader counts for new articles (2018)
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- Abstract
- Within science, citation counts are widely used to estimate research impact but publication delays mean that they are not useful for recent research. This gap can be filled by Mendeley reader counts, which are valuable early impact indicators for academic articles because they appear before citations and correlate strongly with them. Nevertheless, it is not known how Mendeley readership counts accumulate within the year of publication, and so it is unclear how soon they can be used. In response, this paper reports a longitudinal weekly study of the Mendeley readers of articles in 6 library and information science journals from 2016. The results suggest that Mendeley readers accrue from when articles are first available online and continue to steadily build. For journals with large publication delays, articles can already have substantial numbers of readers by their publication date. Thus, Mendeley reader counts may even be useful as early impact indicators for articles before they have been officially published in a journal issue. If field normalized indicators are needed, then these can be generated when journal issues are published using the online first date.
- Theme
- Elektronisches Publizieren
-
Walters, W.H.; Linvill, A.C.: Bibliographic index coverage of open-access journals in six subject areas (2011)
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- Abstract
- We investigate the extent to which open-access (OA) journals and articles in biology, computer science, economics, history, medicine, and psychology are indexed in each of 11 bibliographic databases. We also look for variations in index coverage by journal subject, journal size, publisher type, publisher size, date of first OA issue, region of publication, language of publication, publication fee, and citation impact factor. Two databases, Biological Abstracts and PubMed, provide very good coverage of the OA journal literature, indexing 60 to 63% of all OA articles in their disciplines. Five databases provide moderately good coverage (22-41%), and four provide relatively poor coverage (0-12%). OA articles in biology journals, English-only journals, high-impact journals, and journals that charge publication fees of $1,000 or more are especially likely to be indexed. Conversely, articles from OA publishers in Africa, Asia, or Central/South America are especially unlikely to be indexed. Four of the 11 databases index commercially published articles at a substantially higher rate than articles published by universities, scholarly societies, nonprofit publishers, or governments. Finally, three databases-EBSCO Academic Search Complete, ProQuest Research Library, and Wilson OmniFile-provide less comprehensive coverage of OA articles than of articles in comparable subscription journals.
- Theme
- Elektronisches Publizieren
-
Moed, H.F.; Halevi, G.: On full text download and citation distributions in scientific-scholarly journals (2016)
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- Date
- 22. 1.2016 14:11:17
- Theme
- Elektronisches Publizieren
-
Ortega, J.L.: ¬The presence of academic journals on Twitter and its relationship with dissemination (tweets) and research impact (citations) (2017)
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- Date
- 20. 1.2015 18:30:22
- Theme
- Elektronisches Publizieren
-
Sotudeh, H.; Horri, A.: ¬The citation performance of open access journals : a disciplinary investigation of citation distribution models (2007)
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- Theme
- Elektronisches Publizieren
-
Costas, R.; Perianes-Rodríguez, A.; Ruiz-Castillo, J.: On the quest for currencies of science : field "exchange rates" for citations and Mendeley readership (2017)
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- Date
- 20. 1.2015 18:30:22
- Theme
- Elektronisches Publizieren
-
Zhao, D.: Challenges of scholarly publications on the Web to the evaluation of science : a comparison of author visibility on the Web and in print journals (2005)
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- Theme
- Elektronisches Publizieren
-
Youngen, G.K.: Citation patterns to traditional and electronic preprints in the published literature (1998)
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- Theme
- Elektronisches Publizieren
-
Dalen, H.P. van; Henkens, K.: Intended and unintended consequences of a publish-or-perish culture : a worldwide survey (2012)
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- Theme
- Elektronisches Publizieren
-
Frandsen, T.F.: ¬The integration of open access journals in the scholarly communication system : three science fields (2009)
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- Theme
- Elektronisches Publizieren
-
Moed, H.F.: ¬The effect of "open access" on citation impact : an analysis of ArXiv's condensed matter section (2007)
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- Theme
- Elektronisches Publizieren
-
Lozano, G.A.; Larivière, V.; Gingras, Y.: ¬The weakening relationship between the impact factor and papers' citations in the digital age (2012)
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- Theme
- Elektronisches Publizieren
-
Thelwall, M.; Kousha, K.: SlideShare presentations, citations, users, and trends : a professional site with academic and educational uses (2017)
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- Elektronisches Publizieren
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Kousha, K.; Thelwall, M.; Abdoli, M.: Goodreads reviews to assess the wider impacts of books (2017)
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- Elektronisches Publizieren
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Zahedi, Z.; Costas, R.; Wouters, P.: Mendeley readership as a filtering tool to identify highly cited publications (2017)
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- Elektronisches Publizieren
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Abad-García, M.-F.; González-Teruel, A.; González-Llinares, J.: Effectiveness of OpenAIRE, BASE, Recolecta, and Google Scholar at finding spanish articles in repositories (2018)
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- Elektronisches Publizieren
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Zhang, Y.: ¬The effect of open access on citation impact : a comparison study based on Web citation analysis (2006)
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- Elektronisches Publizieren
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Cabanac, G.; Labbé, C.: Prevalence of nonsensical algorithmically generated papers in the scientific literature (2021)
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Nelson, G.M.; Eggett, D.L.: Citations, mandates, and money : author motivations to publish in chemistry hybrid open access journals (2017)
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