[Retracted] Optimization of Digital Recommendation Service System for Tourist Attractions Based on Personalized Recommendation Algorithm

Table 1

Clustering results of photo attractions with geographic information.

Clustering parameters		Attractions				Clustering results
Eps (km)	MinPts	Great Wall	Tiananmen Square	Summer palace	Water cube	Number of categories	Noise rate (%)
0.5	10	300	350	2300	240	55	63.70
	20	150	312	2100	213	222	71.88
	30	117	286	1256	186	14	76.30
1	10	570	560	2765	350	70	46.29
	20	400	520	2460	321	23	58.60
	30	260	498	1486	246	15	63.02
3	10	724	700	6203	420	50	22.32
	20	680	668	5079	385	29	30.94
	30	648	623	4862	343	18	37.06