nielsenmandela
No user record in our sample, but nielsenmandela has activity below (stories or comments). Likely we have partial data — the full bulk-load will fill profiles in.
No user record in our sample, but nielsenmandela has activity below (stories or comments). Likely we have partial data — the full bulk-load will fill profiles in.
You want a spatial indexing scheme. Quadtree is one approach, but depending on the distribution of your data (both size + location), an RTree would be better. Related: - Quatree - RTree - BVH - Grid