On Oct 10, 2005, at 9:12 AM, Rodrigo Dias Arruda Senra wrote: > I wonder if C.J.Date mentioned anything about databases for storing > large dense graphs in that book ? He doesn't talk about that in this book. > Just to give an example, the Brazilian Government is sponsoring a > project > to build an AI system to double-check tax declarations. We are > talking about > 200 million people. One of this project goals is to examine the > relationship > graph (family, employment, etc) trying to detect fraud. Even though > that can be > modelled in a Relational DB, I'll investigate if an OODB with an > appropriate > storage would give better performance. My instinct says yes. I'd be interested to hear about the storage design for a database of that size. > By the way, I helped another federal project to build a Python > desktop app to > record info from more than 150.000 public schools. While working > off-line, > such app used Twisted + **Durus**. But unfortunately, due to the > rampant corruption > unveiled recently, the project is in the freezer. If it ever gets > out I'll let > you know. Good luck with the thaw.