1. Approximate k-closest-pairs with space filling curves;Angiulli,2002
2. An approximate algorithm for top-k closest pairs join query in large high dimensional data;Angiulli;Data & Knowledge Engineering,2005
3. Searching: An algorithmic tour;Baeza-Yates,1997
4. Proximity matching using fixed-queries trees;Baeza-Yates,1994
5. Modern Information Retrieval;Baeza-Yates,1999