The Recommendation System of Innovation and Entrepreneurship Education Resources in Universities Based on Improved Collaborative Filtering Model

Table 3

Path category combination.

Possible combination of route categories
1	(h1)
2	(h2)
3	(h3)
4	(h4)
5	(h1, h2)
6	(h1, h3)
7	(h1, h4)
8	(h2, h3)
9	(h2, h4)
10	(h3, h4)
11	(h1, h2, h3)
12	(h1, h2, h4)
13	(h1, h3, h4)
14	(h2, h3, h4)
15	(h1, h2, h3, h4)