Open Access News

News from the open access movement


Saturday, November 15, 2003

More evidence that OA increases citation impact

Here's an excerpt from a November 13 posting to PAMnet by Sarah Stevens-Rayburn on a presentation at the November 3-4 meeting of the American Astronomical Society (AAS) Publications Board in Tucson: "The really fascinating conclusion he [Greg Schwartz of the AAS editorial office] has drawn, at least from my perspective, is that ApJ [Astrophysics Journal] papers that were also on astro-ph [an OA archive, a branch of arXiv] have a citation rate that is _twice_ that of papers not on the preprint server. Moreover, this higher citation rate appears to continue once the time gap disappears (that is, papers on astro-ph are viewed about nine months ahead of the journal paper, but after several years of availability, the astro-ph papers are still being cited at a significantly higher rate)." (Thanks to Michael Kurtz and Stevan Harnad.)