Natural language parsing can be classified within specific computational complexity classes, as evidenced by studies analyzing parsing algorithms using formal language theory, context-free grammars, and graph-based dependency parsing.
The claim states that natural language parsing can be classified within specific computational complexity classes. Retrieved papers such as [1], [4], and [9] explicitly discuss the computational complexity of natural language parsing algorithms (e.g., cubic complexity, NP-hardness, and classification within formal language theory such as context-free or mildly context-sensitive grammars). Therefore, the evidence strongly supports the claim, with no papers refuting it.