Murthy V. Devarakonda Alla Segal David M. Chess A Toolkit-Based Approach to Policy-Managed Storage. 89-92 2003 conf/policy/2003 POLICY http://csdl.computer.org/comp/proceedings/policy/2003/1839/00/18390089abs.htm db/conf/policy/policy2003.html#DevarakondaSC03