In this last week the itsme tech team has worked on defining the architecture of Guglielmo, and sketching its APIs. Actually, it's been a great effort and we went through many different options and solutions, finally converging on the following one. This is what we are implementing in the next month to support our current front-end prototype (which is also currently being improved and that might be demonstrated during our visit to the USA, for tutorials at GROUP2009 and CTS2009). We are also working to set up a way to release the code of Guglielmo 0.1, but (of course) we have...