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Table 1 Comparison of the most representative altmetric providers

From: A critical review on altmetrics: can we measure the social impact factor?

  Altmetric.com PlumX Impactstory Article-level metrics-PLoS
Created time 2011 2012 2011 2009
Target group Researchers, publishers, librarians, editors, funders Researchers, publishers, funders Researchers, publishers, funders Researchers, publishers, funders
Data source Mainstream media (This list currently extends to over 5000 English and non-English global news outlets)
Blogs (15.000 academic and no academic blogs)
Wikipedia pages
Policy Documents
Patent citations
Social networks (Twitter, Facebook, Reddit)
Post-publication peer review fórums (Publons/Pubpeer)
References Manager (CiteULike)
Other online sources:
Sites running Stack Exchange (Q&A)
F1000Prime recommendations
YouTube
Open Syllabus
Citations (Dimensions and Web of Science) Citations are only available within the Explorer
Scopus, CrossRef, PubMed Central
EBSCO, PLOS, bit.ly, GitHub, Dryad, Figshare, SlideShare, Institutional Repositories, WorldCat
CiteULike, Mendeley, Delicious, SlideShare, YouTube, GitHub, Goodreads, Vimeo
Blog posts, comments, reviews, Wikipedia references, news media)
Social Media: Facebook, Reddit, SlideShare, Vimeo, YouTube, GitHub, StackExchange, Wikipedia, SourceForge, Research Blogging, Science Seeker, Amazon, Google Plus, Twitter via DataSift)
Scopus, Web of Knowledge, HighWire, Google Scholar Citations, PubMed
CiteULike, Mendeley, CrossRef, Vimeo, Figshare, GitHub, SlideShare, YouTube, Delicious
Social Media (Twitter, Facebook, Blogs, Figshare, Wikipedia, Vimeo, YouTube, SlideShare, Delicious, GitHub)
(PLOS Journals, PubMed Central)
CiteULike, Mendeley
CrossRef, DataCite, Europe PMC, PubMed Central, Scopus, Web of Science
F2000 Prime
PLOS Comments, Facebook, Reddit, Twitter, Wikipedia
Type of actions Social media
Viewed
Discussed or Mentions
Saved or captures
Citation
Usage
Captures
Mentions
Social media
Citation
Captures
Social Media
Viewed
Saved
Cited
Recommended
Discussed
Attention Score Altmetric Attention Score Plum Print   
Accessibility Annual subscription basis Particular institutions Free Access Free access
Coverage Scholarly articles Journal articles, videos, books, presentations… All the research products (Journal articles, blog posts, dataset…) Papers from PLOS
Business model For profit For profit Non-profit Non-profit