Let me clarify this: No one is obligated to do patent research. If you have real knowledge of a patent infringement in a proposed contribution, you must disclose it. If you have no real knowledge, you need not go looking for it.
On Tue, May 31, 2011 at 10:18 AM, Dhruv Kumar <[email protected]> wrote: > 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 >>>> >>>> >> >
