Design of Automatic Extraction Algorithm of Knowledge Points for MOOCs

Table 1

“Knowledge point-teaching content” matrix.

Knowledge; point	Teaching content 1	Teaching content 2		Teaching content m1
Constant	2	1		0
Variable	8	3		1
Integer	3	2		1
Float	1	1		0
Array	0	0		0
Function	0	0		0
Style	0	6		0