Frequent Pattern Mining of Eye-Tracking Records Partitioned into Cognitive Chunks

Table 4

Double-chunk patterns by direction.

Page	Direction	Pattern
P1		B2A2  B2A3^R  B2A4^R
	==	B2B2  B3B3
		A1A4 ^R  B2B3 ^R
		A2A4^R  A3A4^R  B2B1^L  B2B5^R  B3B2^L; B3B4^R
		A1D3^R  B2C3^R  B2C4^R  B2D2  B2D3^R  B3D3
P2		B3A1^L  B3A3
	==	B3B3  A1A1  B1B1  B2B2
		B3B1 ^L  B1B3^R  B3B2^L
		B3C2 ^L  B3C3  B3D2^L  B3D3
P3		B2A3 ^R  B2A2  C3A2^L
	==	A2A2   B3B3  B2B2  C3C3
		A1A2^R  A1A3 ^R  A2A3 ^R  B3B4 ^R; A3A2^L  B2B3^R  B3B2^L  B3B5^R  C2C1^L
		A1B3 ^R  A2B3^R  A2B4 ^R  A2C3 ^R
		A1B2^R  A1B4^R  A1B5^R  A1C3^R  A1D2^R; A2B2  A2B5^R  A2D2  A2D3^R  A2D5^R; B2C3^R  B3D2^L  B3D3  C3D2^L
P4		(none)
	==	C3C3
		C3C4^R  A2A3^R  B3B4^R  B3B5^R  C3C2^L
		A2B4
		A2C4^R  A3B4^R  B2C3^R  B3C3  B3C4^R  C3D3

Note. The sequence directions are upward (), homogenous (==), horizontal (), and downward (). Underscored patterns were extracted at ms14. Those extracted at 16 are also emphasized in italicized bold face. Leftward and rightward sequences are marked by superscripts and , respectively.