WIRE Community: http://hdl.handle.net/2436/6288 Thu, 17 Aug 2017 15:57:07 GMT 2017-08-17T15:57:07Z Why do papers have many Mendeley readers but few Scopus-indexed citations and vice versa? http://hdl.handle.net/2436/620545 Title: Why do papers have many Mendeley readers but few Scopus-indexed citations and vice versa? Authors: Thelwall, Mike Abstract: Counts of citations to academic articles are widely used as indicators of their scholarly impact. In addition, alternative indicators derived from social websites have been proposed to cover some of the shortcomings of citation counts. The most promising such indicator is counts of readers of an article in the social reference sharing site Mendeley. Although Mendeley reader counts tend to correlate strongly and positively with citation counts within scientific fields, an understanding of causes of citation-reader anomalies is needed before Mendeley reader counts can be used with confidence as indicators. In response, this article proposes a list reasons for anomalies based upon an analysis of articles that are highly cited but have few Mendeley readers, or vice versa. The results show that there are both technical and legitimate reasons for differences, with the latter including communities that use research but do not cite it in Scopus-indexed publications or do not use Mendeley. The results also suggest that the lower of the two values (citation counts, reader counts) tends to underestimate of the impact of an article and so taking the maximum is a reasonable strategy for a combined impact indicator. Tue, 14 Jul 2015 00:00:00 GMT http://hdl.handle.net/2436/620545 2015-07-14T00:00:00Z How quickly do publications get read? The evolution of Mendeley reader counts for new articles http://hdl.handle.net/2436/620522 Title: How quickly do publications get read? The evolution of Mendeley reader counts for new articles Authors: Maflahi, Nabeil; Thelwall, Mike 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 six 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 normalised indicators are needed, then these can be generated when journal issues are published using the online first date. Fri, 01 Sep 2017 00:00:00 GMT http://hdl.handle.net/2436/620522 2017-09-01T00:00:00Z Questing for Quality Estimation A User Study http://hdl.handle.net/2436/620521 Title: Questing for Quality Estimation A User Study Authors: Escartin, Carla Parra; Béchara, Hanna; Orăsan, Constantin Abstract: Post-Editing of Machine Translation (MT) has become a reality in professional translation workflows. In order to optimize the management of projects that use post-editing and avoid underpayments and mistrust from professional translators, effective tools to assess the quality of Machine Translation (MT) systems need to be put in place. One field of study that could address this problem is Machine Translation Quality Estimation (MTQE), which aims to determine the quality of MT without an existing reference. Accurate and reliable MTQE can help project managers and translators alike, as it would allow estimating more precisely the cost of post-editing projects in terms of time and adequate fares by discarding those segments that are not worth post-editing (PE) and have to be translated from scratch. In this paper, we report on the results of an impact study which engages professional translators in PE tasks using MTQE. We measured translators? productivity in different scenarios: translating from scratch, post-editing without using MTQE, and post-editing using MTQE. Our results show that QE information, when accurate, improves post-editing efficiency. Sun, 01 Jan 2017 00:00:00 GMT http://hdl.handle.net/2436/620521 2017-01-01T00:00:00Z An investigation of the online presence of UK universities on Instagram http://hdl.handle.net/2436/620460 Title: An investigation of the online presence of UK universities on Instagram Authors: Stuart, Emma; Stuart, David; Thelwall, Mike Abstract: Purpose – Rising tuition fees and a growing importance on league tables has meant that university branding is becoming more of a necessity to attract prospective staff, students, and funding. Whilst university websites are an important branding tool, academic institutions are also beginning to exploit social media. Image-based social media services such as Instagram are particularly popular at the moment. It is therefore logical for universities to have a presence on popular image-based social media services such as Instagram. This paper investigates the online presence of UK universities on Instagram in an initial investigation of use. Design/Methodology/Approach – This study utilizes webometric data collection, and content analysis methodology. Findings – The results indicate that at the time of data analysis for this investigation (Spring, 2015), UK universities had a limited presence on Instagram for general university accounts, with only 51 out of 128 institutions having an account. The most common types of images posted were humanizing (31.0%), showcasing (28.8%), and orienting (14.3%). Orienting images were more likely to receive likes than other image types, and crowdsourcing images were more likely to receive comments. Originality/Value – This paper gives a valuable insight into the image posting practices of UK universities on Instagram. The findings are of value to heads of marketing, online content creators, social media campaign managers, and anyone who is responsible for the marketing, branding, and promoting of a university’s services. Tue, 01 Aug 2017 00:00:00 GMT http://hdl.handle.net/2436/620460 2017-08-01T00:00:00Z
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