Bénédicte Kenmei Giuliano Antoniol Massimiliano Di Penta Trend Analysis and Issue Prediction in Large-Scale Open Source Systems. 73-82 2008 CSMR http://dx.doi.org/10.1109/CSMR.2008.4493302 conf/csmr/2008 db/conf/csmr/csmr2008.html#KenmeiAP08