An Efficient Mechanism for Deep Web Data Extraction Based on Tree-Structured Web Pattern Matching

Table 2

No. of accesses in database vs. precision and recall.

No. of accesses in web database	FiVaTech		TBPM
	Precision (%)	Recall (%)	Precision (%)	Recall (%)
100	94.3	95.3	96	97.3
200	95	95.4	96.1	97.6
300	95.3	95.7	96.7	98.1
400	95.6	96.1	97.2	98.3
500	95.9	96.3	97.6	98.7
600	96	96.8	98.1	99.1
700	96.5	96.8	98.3	99.3
800	96.7	97.1	98.4	99.8