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Table 11 The results before and after the dataset re-annotation

From: Classification feature sets for source code plagiarism detection in Java

Experiment

Precision

 

Recall

 

F-measure

 
 

Before

After

Before

After

Before

After

Baseline II [8]

61.2%

79.0%

97.7%

94.6%

75.3%

86.1%

Hist4

63.8%

82.2%

97.3%

93.9%

77.1%

87.7%

Hist4+PerClass

66.3%

88.8%

98.6%

99.0%

79.3%

93.6%