Research Article

The Spatial Patterns of Service Facilities Based on Internet Big Data: A Case Study on Chengdu

Table 3

The proportions of the four types of POIs.

POI typesProportion of H-H aggregation (%)Proportion of L-L aggregation (%)Proportion of H-L aggregation (%)Proportion of L-H aggregation (%)

Catering services7.500.000.000.67
Shopping services7.420.690.000.54
Transportation services9.0911.710.000.26
Scientific, educational, and cultural services7.370.000.180.29