okajima et al. 2003

Keyword	CPC	PCC	Volume	Score	Length of keyword
okajima et al. 2003	0.6	0.1	7481	26	19
okajima	0.59	0.4	9810	26	7
et	1.73	0.1	2615	53	2
al.	0.37	0.3	9762	97	3
2003	1.66	0.2	5461	81	4

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Keyword	CPC	PCC	Volume	Score
okajima et al. 2003 jmsj	1.7	1	8378	53
okajima et al. 2003	1.55	0.6	188	31
okamoto et al. 2003	0.58	0.6	9364	3
okamoto et al. 2009	0.76	0.4	9044	76
peterson et al. 2003	1.61	0.2	7107	21
okazaki et al. 2010	0.9	1	8629	3
shimojo et al. 2003	1.64	0.9	1754	67
nakajima et al. 2011	1.33	0.7	8682	52
kumar et al. 2007	1.39	1	4073	10
barski et al. 2007	1.95	0.7	4328	46
peterson et al. 2011	1.32	0.4	2067	53
kim et al. 2007	1.33	0.3	2724	87
yoshikawa et al. 2013	0.92	0.8	418	17
kumar et al. 2009	0.98	0.2	5532	70
kumar et al. 2011	1.38	1	6959	43
rosenbaum et al. 2007	0.95	1	3947	80
yamada et al. 2007	0.4	0.5	2810	76
kami et al. 2010	1.42	0.5	7499	52
jansen et al. 2002	1.66	0.1	417	28
yuki et al. 2007	1.74	0.7	8905	90
oyserman et al. 2002	0.92	0.5	7084	3
kumar et al. 2010	1.14	0.1	8893	39
kumar et al 2005	1.31	1	8368	74
jordan et al. 2003	1.95	0.7	182	47
jain et al. 2003	0.21	0.6	6278	9
johnson et al. 2003	1.76	0.7	5316	60
yosinski et al. 2014	1.53	0.2	9922	40