Sonya J. Lowry Phillip B. Warner Evan Deaubl NOAO imaging meta data quality improvement: a case study of the evolution of a service oriented system. 675-684 2008 OOPSLA Companion http://doi.acm.org/10.1145/1449814.1449820 conf/oopsla/2008c db/conf/oopsla/oopsla2008c.html#LowryWD08