Carlos Perez Leguizamo Aqeel A. Syed Kinji Mori Assurance System Architecture for Distributed Database Systems. 43-50 2002 conf/hase/2002 HASE http://csdl.computer.org/comp/proceedings/hase/2002/1769/00/17690043abs.htm db/conf/hase/hase2002.html#LeguizamoSM02