Table 2.

Comparison of experimental results based on datasets 2 (TopN takes 3, 5, 7, 10).

Keywords (pcs)	Algorithm	P (%)	R (%)	F (%)
3	T1	16.03	11.39	13.30
	T2	9.79	6.82	8.03
	T3	7.61	5.32	6.25
	T4	6.39	4.51	5.29
	T5	15.42	10.86	12.73
	T6	15.42	10.89	12.75
	T7	16.10	11.35	13.29
	T8	16.41	11.57	13.56
	RDD-WRank	16.44	11.67	13.63
5	T1	12.90	15.28	13.97
	T2	7.96	9.27	8.55
	T3	6.53	7.62	7.02
	T4	5.96	6.99	6.43
	T5	12.76	15.01	13.78
	T6	13.57	16.02	14.68
	T7	13.46	15.82	14.53
	T8	13.06	15.33	14.09
	RDD-WRank	14.41	17.06	15.60
7	T1	11.06	18.31	13.77
	T2	6.88	11.24	8.53
	T3	5.51	9.02	6.83
	T4	5.74	9.46	7.14
	T5	10.60	17.45	13.17
	T6	11.78	19.49	14.66
	T7	11.19	18.43	13.91
	T8	10.90	17.95	13.55
	RDD-WRank	12.32	20.43	15.35
10	T1	8.89	20.99	12.47
	T2	5.68	13.24	7.94
	T3	4.70	10.98	6.57
	T4	4.82	11.32	6.75
	T5	8.22	19.35	11.53
	T6	10.36	24.55	14.55
	T7	8.38	19.71	11.75
	T8	8.49	19.98	11.90
	RDD-WRank	9.75	23.09	13.69