Thanks Peter Suber:
Das Center for Journal Ranking wurde im Januar 2007 gegründet und stellt Impact Faktor-ähnliche „Einflußfaktoren“ für 7.000 Zeitschriften kostenlos zur Verfügung.
From Nicole Martin’s article in the April 2007 issue of EContent:
[T]he Center for Journal Ranking (CJR) [was] launched in January by Andrew Lim, associate professor at the Hong Kong University of Science and Technology and founder of Red Jasper, a high-tech start up, specializing in applying logistics to business, transportation, and supply chain management….
[T]he Center has adapted the PageRank methodology (made famous by Google) to rank thousands of journals „in a multitude of disciplines.“ While Google uses PageRank to rate a page by how often it is requested, CJR extends its capabilities by using complex algorithms to differentiate between the quality or significance of the citing source.
CJR proposes two new indicators to augment the PageRanking protocol: the Journal Influence Index and the Paper Influence Index, measures that are then compared with rankings derived from expert surveys….
Registration to CJR and access to their rankings for over 7,000 journals is free. „It’s too early to ponder a business model,“ says Lim….