SBugLocater: Bug Localization Based on Deep Matching and Information Retrieval

Table 2

Performance of SBugLocater with different lengths of snippets.

Project	Metrics	Snippet length
		50	100	150	200	250
Eclipse UI	Accuracy@1	37.3	41.4	43.8	44.0	43.2
	Accuracy@5	56.8	65.3	69.0	68.2	67.4
	Accuracy@10	65.1	74.3	79.7	77.0	75.9
JDT	Accuracy@1	35.4	44.0	45.3	44.3	43.1
	Accuracy@5	52.3	67.3	70.6	70.6	67.4
	Accuracy@10	59.1	79.6	82.4	81.5	76.1
SWT	Accuracy@1	36.4	41.2	43.7	42.3	40.2
	Accuracy@5	59.9	68.3	71.6	72.3	68.3
	Accuracy@10	62.3	75.1	80.3	80.0	74.9
Tomcat	Accuracy@1	32.4	45.5	52.0	51.0	48.0
	Accuracy@5	53.5	66.0	74.3	74.0	65.7
	Accuracy@10	61.0	75.3	83.1	83.1	74.5