Another Wikidia-style online encyclopedia has seen the light. But Freebase is something new. Its creator, the company Metaweb is setting out to create a vast public database intended to read by computers rather than people. Users still play an important rule in Freebase. They set the types of relations between pieces of information. People add metadata instead of data. In this way, information will be structured to make it possible for software to define relationships and even meaning. In the w (...)