TapChain: A Rule Chain Recognition Model Based on Multiple Features

Table 5

The abbreviation of feature.

Abbreviation	Feature
f_1	Same predicate
f_2	Same modifier of direct object
f_3	Same direct object
f_4	Same modifier of indirect object
f_5	Same indirect object
f_6	Same field
f_7	Same value in same field
f_8	The number of same value
f_9	Same environmental factor
f_10	The type of environmental factor
f_11	Same value range
f_12	Same trend