Before revision:   GCN-L2V  can be applied in a complementary manner to other place embedding methods and down-streaming Geo-aware applications.
After revision:  As far as we know, this is the first study that provides a fine-grained location embedding at the city level using only LBS records. GCN-L2V can be applied in a complementary manner to other place embedding methods and down-streaming Geo-aware applications.