Hi Sergio, Thanks so much, I will look into it.
Xavier. > On Apr 8, 2018, at 22:00, Sergio Fernández <wik...@apache.org> wrote: > > Hi, > > few years ago we explored that idea, using PPO at the time: > > https://bitbucket.org/srfgkmt/s-watchdog > <https://bitbucket.org/srfgkmt/s-watchdog> > > The idea, although it worked, with an obvious impact on query tine, it never > got beyond a student project. We never had user nor industrial interest on > that research. > > But it you feel it has potential, you're more than welcome to resume that. > The source code it's a bit old, but I think it could be adapted without much > effort. > > Hope that helps. > > Cheers, > > > > On Sun, Apr 8, 2018, 18:51 FRANCISCO XAVIER SUMBA TORAL > <xavier.sumb...@ucuenca.ec <mailto:xavier.sumb...@ucuenca.ec>> wrote: > Hi, > > I would like to query from Marmotta based on a triple level selection. This > selection has to be done on access rights, said so, if a user has access to > the data he’s querying, he can see results. In other words, how can I define > a policy so users can query only data that belongs to them? Any suggestions? > > I have some ideas that might be implemented as a new module but wanted to > know if there might some performance or scalability problems. > > 1. Use named graphs, and a user has access only to his graph. > However, it be hard to maintain if there are many users. > 2. Define a security policy based on patterns. For this case, data > would be into a single graph, the user sends his query, but before showing > results some triples are filtered based on the patterns he has access to. > > Has anyone come up with a similar use case with Apache Marmotta? Or any other > ideas? > > > Regards, > Xavier.
