Luc Moreau Paul T. Groth Simon Miles Javier Vázquez-Salceda John Ibbotson Sheng Jiang Steve Munroe Omer F. Rana Andreas Schreiber Victor Tan László Zsolt Varga The provenance of electronic data. 52-58 2008 51 Commun. ACM 4 http://doi.acm.org/10.1145/1330311.1330323 db/journals/cacm/cacm51.html#MoreauGMVIJMRSTV08