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New addition to Article-Level Metrics – blog posts from

Throughout the course of 2009, PLoS has been adding a range of Metrics to each and every article that it has published. In addition to the many metrics already displayed (article pageviews and downloads, citations, social bookmarks, notes, comments and ratings), we are pleased to now add data relating to the blog coverage of any article, as measured by You can find out more about the Article Level Metrics program here.

Every interested author and user can now see how many times an article has been downloaded (split into HTML Pageviews, PDF and XML downloads and displayed in a month-by-month format); how often an article has been cited (as measured by PubMed Central, Scopus and CrossRef); how many times it has been ‘socially bookmarked’ (at CiteULike and Connotea); how many times users have Commented, or left Notes, or provided Ratings; and how many blog articles have been written about it (as measured by the blog aggragators Postgenomic, Blog Lines, Nature Blogs and, from today,

We've created a 2.4 minute screen shot video (with audio commentary) that you can watch to familiarize yourself with the blog aggregation functionality from so you can see for yourself the benefits of this part of the Article-Level Metrics program. 

On launching this new functionality, Pete Binfield, Publisher of PLoS ONE and the Community Journals said:

"We're delighted to add data from to the Article Level Metrics program because the blogs that they index are mainly written by practicing scientists, who are well versed at providing readable summaries of the research that we publish".

Bloggers who regularly write about scientific research are able to register with and (provided they qualify) they are then entitled to indicate that their blog entries refer to peer reviewed scientific research by adding an icon to their posts.

As a result, the service represents a high quality source of highly relevant articles, typically written by practicing scientists, on the topic of peer reviewed research. Since all PLoS content is peer reviewed and free to read, PLoS articles tend to be regularly covered by their bloggers. You can find the current list of qualified bloggers here.

Dave Munger, the co-founder of, said:

"We’re pleased to be working with PLoS to assess the impact of its articles. PLoS journals do a great job publishing and making research accessible to everyone, and we think coverage in thoughtful blog posts is an important component of the impact of a peer-reviewed journal article".

You can read more in this blog post.

PLoS ONE and also collaborate on a monthly "Blog Pick of the Month" competition that we feature on everyONE, the PLoS ONE community blog. Every month, Bora Zivkovic, the Online Discussion Expert for PLoS, chooses the best blog about a PLoS ONE article that has appeared in and we feature it on our blog. The winning blogger and all the authors of the original PLoS ONE research article all win t-shirts. To enter, you simply need to be a blogger and start writing about PLoS ONE articles.

We welcome feedback and questions on any aspect of this program to

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