Parsing Chinese with Combinatory Categorial Grammar: A Linguistic and Computational Study

Table 4

NCR of highest frequency under each subtype.

		Frequency	Instances
Argument-drop	Rule 1 S\NP ⟶ S	13,870	(13)
Pos-absorption	Rule 2 NP NP ⟶ NP	1995	(14)
Topicalization	Rule 3 NP ⟶S/S	1838	(15)
Pos-shift	Rule 4 S\NP ⟶NP/NP	733	(16)