Detection and classification of social media-based extremist affiliations using sentiment analysis techniques

Table 2 Top 25 frequently occurring terms

S. no.	Key-word/phrase	Term frequency (TF)	Document frequency (DF)	User frequency (UF)
3	ISIS	21,445	12,144	2113
4	Islamic State	24,791	15,342	3002
5	Daesh	20,812	11,762	2711
6	Jihadi	29,313	16,433	4244
7	Khalifa	15,787	9378	2001
9	Amaarat	22,524	13,487	3537
10	Khillafat	30,646	18,553	4423
11	Albaghdadi	26,822	16,543	3875
12	Khawarij	27,653	18,326	4131
13	Al-Qaeda	35,224	20,019	4836
14	Khud-kush/suicide	26,835	15,014	1374
15	Narcotics	20,431	11,387	2538
16	Kafir/kufar	39,766	21,172	5672
17	Poison	8256	5009	1265
18	Bomb	11,267	6871	2112
19	Drugs	25,726	14,873	4227
20	Smuggling	2007	1092	538
21	Slaughter	9221	6591	1337
22	Kill	24,946	13,764	3635
23	Attack	27,863	15,846	3753
24	Custody	11,911	7248	1622
25	Charity	2563	1373	951