The FOAF crowd already did a lot of this style of work - see also http://wiki.foaf-project.org/w/DataSources http://wiki.foaf-project.org/w/DataSources ; you pr

The FOAF crowd already did a lot of this style of work - see also http://wiki.foaf-project.org/w/DataSources http://wiki.foaf-project.org/w/DataSources ; you probably have a few data feeds already, particularly focused on social networking site activity. Other vocabs work - ie, crschmidt's menow vocab. Express it as json ld to make it more modern, and you have a distributed ecology of services that all talk the same sort of language, about you.