Table 1. Time slicing and threshold settings for a set of small networks, where f_c is the citation frequency threshold and f_cc is the cocitation frequency threshold.

Time slices	fc	fcc	Cite space size	Top cited	Sample, %	cc (cosine ≥0.15)
1985-1987	3	1	604	16	2.65	58
1988-1990	10	3	2,740	15	0.55	30
1991-1993	50	7	12,214	18	0.15	62
1994-1996	60	10	16,147	19	0.12	53
1997-1999	80	10	19,716	20	0.10	60
2000-2002	85	15	22,449	20	0.09	54
2003	25	10	9,594	13	0.14	34
Total (unique)			83,464	121 (82)	Mean 0.54	Total 351

cc, cocitation.