TilmannZ questions

TilmannZ answers

• How to best represent a grid graph in 3D Euclidean Space?
• Matching millions of people: k-d tree or locality-sensitive hashing?
• A few questions about working with db4o
• Data structure with O(1) insertion and O(log(n)) search complexity?
• Algorithm for 2D nearest-neighbour queries with dynamic points
• Finding a number of maximally different binary vectors from a set
• Bulk-load algorithm for MX-CIF quadtree
• Cache-Friendly Matrix, for access to adjacent cells
• Find nearest neighbor with morton code