American Physical Society Joins the Initiative for Open Citations (I4OC)

COLLEGE PARK, MD, July 11, 2017 — Scientific publication rates are on track to double every nine years. In order to help uncover scholarly links and scientific progress as revealed in citation data associated with the rapidly expanding numbers of publications, the American Physical Society (APS) has today joined with other major publishers that make their publication reference data freely available in the public domain through the Initiative for Open Citations (I4OC).

APS has long participated in CrossRef, which allows academic publishers to cross reference digital publications. In joining I4OC, APS citation information is now publicly available. Subscriptions to the APS Physical Review journals or the publications of other participating organizations are not required to access the citations available through I4OC.

“This is great for authors and researchers,” said APS Publisher Matthew Salter. “Authors can track which colleagues are citing their work, and researchers can now have greater access to the network of scientific literature.”

According to the Initiative for Open Citations I4OC, key benefits include:

- The establishment of a global public web of linked scholarly citation data to enhance the discoverability of published content, both subscription access and open access. This will particularly benefit individuals who are not members of academic institutions with subscriptions to commercial citation databases.

- The ability to build new services over the open citation data, for the benefit of publishers, researchers, funding agencies, academic institutions and the general public, as well as enhancing existing services.

- The creation of a public citation graph to explore connections between knowledge fields, and to follow the evolution of ideas and scholarly disciplines.

“APS is happy to be partnering with the IO4C,” said APS Editor in Chief Pierre Meystre. “We believe that this will become a valuable service to the research community and is in line with APS’ mission to advance and diffuse the knowledge of physics.”

Additional information about the Initiative for Open Citations I4OC is available at

Contact: James Riordon, APS,, (301) 209-3238

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The American Physical Society is a nonprofit membership organization working to advance and diffuse the knowledge of physics through its outstanding research journals, scientific meetings, and education, outreach, advocacy, and international activities. APS represents more than 50,000 members, including physicists in academia, national laboratories, and industry in the United States and throughout the world.