FI-Quadtree: A New Data Structure for Content-Oriented Retrieval and Fuzzy Search.

http://dx.doi.org/10.1007/3-540-54414-3_29 Jean-Pierre Cheiney A. Touir FI-Quadtree: A New Data Structure for Content-Oriented Retrieval and Fuzzy Search. 23-32 SSD/1991/P023.pdf 1991 conf/ssd/91 SSD db/conf/ssd/ssd91.html#CheineyT91