Research on Intelligent Retrieval Method of Teaching Resources on Large-Scale Network Platform

Table 1

Retrieval performance comparison results.

Algorithm	First 10 documents		First 20 documents
	Averagerecall	Averageprecision	Averagerecall	Averageprecision
Pseudo feedback	0.18	0.45	0.22	0.27
LCA	0.23	0.55	0.34	0.4
Ours	0.29	0.69	0.4	0.47