Table 4: Target software systems—Experiment 2.

Name Domain Programming language Number of Revisions LOC (latest revision)

OpenYMSG Messenger Java 194 14,111
EclEmma Testing Java 1,220 31,409
MASU Source Code Analysis Java 1,620 79,360
TVBrowser Multimedia Java 6,829 264,796
Ant Build Java 5,412 198,864