A Novel Approach of Feature Space Reconstruction with Three-Way Decisions for Long-Tailed Text Classification

Table 2

The numbers of the long-tailed text dataset used in our paper.

No.	Class	Class label	Samples
1	Head	C34-Economy	3201
2	Head	C39-Sports	2507
3	Head	C38-Politics	1854
4	Head	C3-Art	1282
5	Tail	C11-Space	582
6	Tail	C32-Agriculture	348
7	Tail	C37-Military	150
8	Tail	C19-Computer	120
9	Tail	C36-Medical	104
10	Tail	C35-Law	103
11	Tail	C31-Environment	89
12	Tail	C29-Transport	67
13	Tail	C23-Mine	67
14	Tail	C15-Energy	65
15	Tail	C17-Communication	55
16	Tail	C16-Electronics	32