Jimmy Lin's Cloud 9 Map Reduce library also includes an implementation of Page Rank as an example:
http://www.umiacs.umd.edu/~jimmylin/cloud9/docs/ On Tue, May 31, 2011 at 9:10 AM, Sebastian Schelter <[email protected]> wrote: > Thank you very much for the advice, I'll try to contact Stanford then. > > --sebastian > > > On 31.05.2011 14:53, Benson Margulies wrote: > >> As a contributor, you could submit a patch noting the existence of the >> patent, *If you know that a patent reads on it*. As a PMC member, I'm >> advised by legal-discuss@ to reject the patch, unless you can get a >> grant from Stanford. >> >> However, 'having heard' is not the same thing as *knowing*. A vague >> rumor does not trigger any of this. >> >> The fact that CMU has chosen to distribute an implementation is >> neither here nor there. >> >> >> >> On Tue, May 31, 2011 at 8:25 AM, Sebastian Schelter<[email protected]> >> wrote: >> >>> Hello everyone, >>> >>> I have a question regarding legal issues. >>> >>> I have one of my students implement PageRank in MapReduce, would it be >>> possible to contribute this to Mahout or are there any legal issues >>> prohibiting this? >>> >>> I read that Stanford is holding a patent on PageRank but I've seen a >>> PageRank implementation already included in the Pegasus Framework from >>> Carnegie Mellon University which is Apache licensed. >>> >>> Can someone help here with advice? >>> >>> --sebastian >>> >>> >
