Papers by Amalia Mas-Bleda
Este libro presenta una visión general de cómo la web, y especialmente la web social, ha transfor... more Este libro presenta una visión general de cómo la web, y especialmente la web social, ha transformado los sistemas de comunicación y evaluación científica. Se destacan dos elementos clave en esta transformación: las plataformas web sociales, como nuevos medios de promoción y difusión de la investigación, y la altmetría o altmetrics, referida al uso de esas plataformas para medir el impacto o la influencia social de la investigación. Esta obra se centra en la clasificación de algunas de las herramientas web 2.0 más populares en función de su finalidad, haciendo hincapié en sus características y en los indicadores de uso, impacto o influencia que ofrecen a niel individual, institucional y de publicación. También se describen algunos de los agregadores web de impacto social, herramientas que rastrean diversas fuentes de la web social y muestran diferentes tipos de impacto para autores o publicaciones.
Twitter is used by a substantial minority of the populations of many countries to share short mes... more Twitter is used by a substantial minority of the populations of many countries to share short messages, sometimes including images. Nevertheless, despite some research into specific images, such as selfies, and a few news stories about specific tweeted photographs, little is known about the types of images that are routinely shared. In response, this article reports a content analysis of random samples of 800 images tweeted from the UK or USA during a week at the end of 2014. Although most images were photographs, a substantial minority were hybrid or layered image forms: phone screenshots, collages, captioned pictures, and pictures of text messages. About half were primarily of one or more people, including 10% that were selfies, but a wide variety of other things were also pictured. Some of the images were for advertising or to share a joke but in most cases the purpose of the tweet seemed to be to share the minutiae of daily lives, performing the function of chat or gossip, sometimes in innovative ways.
Page 1. Opcions Imprimir Recomanar Citació Estadístiques Metadades textos universitaris de biblio... more Page 1. Opcions Imprimir Recomanar Citació Estadístiques Metadades textos universitaris de biblioteconomia i documentació número 23 desembre de 2009 ISSN 1575-5886 DL B-19.675-1998 Facultat de Biblioteconomia i Documentació Universitat de Barcelona ...
Revista Espanola De Documentacion Cientifica, 2008
Drafts by Amalia Mas-Bleda
This study compares Spanish and UK research in eight subject fields using a range of bibliometric... more This study compares Spanish and UK research in eight subject fields using a range of bibliometric and social media indicators. For each field, lists of Spanish and UK journal articles published in the year 2012 and their citation counts were extracted from Scopus. The software Webometric Analyst was then used to extract a range of altmetrics for these articles, including patent citations, online presentation mentions, online course syllabus mentions, Wikipedia mentions and Mendeley reader counts and Altmetric.com was used to extract Twitter mentions. Results show that Mendeley is the altmetric source with the highest coverage, with 80% of sampled articles having one or more Mendeley readers, followed by Twitter (34%). The coverage of the remaining sources was lower than 3%. All of the indicators checked either have too little data or increase the overall difference between Spain and the UK and so none can be suggested as alternatives to reduce the bias against Spain in traditional citation indexes.
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Papers by Amalia Mas-Bleda
Drafts by Amalia Mas-Bleda