@Article{PiccioniOriolMeyerTSE12, author = {Marco Piccioni and Manuel Oriol and Bertrand Meyer}, title = {Class Schema Evolution for Persistent Object-Oriented Software: Model, Empirical Study, and Automated Support}, journal = {IEEE Transactions on Software Engineering -- to appear}, year = {2013}, urltopdf = {/people/piccioni/publications/ieee_tran_soft_eng_main.pdf} }