2012-04-14 Apache OODT Apache OODT software provides metadata for middleware (and vice versa): - Transparent access to distributed resources - Data discovery and query optimization - Distributed processing and virtual archives . Apache OODT software is component based, and offers a software architecture beyond simple science applications. Java Apache OODT 0.3 2012-08-31 0.3 Apache OODT 0.2 2011-02-08 0.2 Apache OODT 0.1-incubating 2010-11-09 0.1-incubating Apache OODT PMC