Sentence: 'IBM and BEA back the Tuscany project , which sets out to simplify the composition of SOA-based systems through a set of frameworks and solutions.As the Apache Software Foundation holds its annual conference in San Diego this week , one of the hot topics under discussion is likely to be a new proposal known as Tuscany .', Argument/Subject 1: 'conference', Argument/Subject 2: 'san diego'
be hold in