1. The R*-Tree: An Efficient and Robust Access Method for Points and Rectangles;Beckmann,1990
2. Nearest Neighbor and Reverse Nearest Neighbor Queries for Moving Objects;Benetis,2002
3. Efficient Tracking of Moving Objects with Precision Guarantees;Civilis,2004
4. Fractals for Secondary Key Retrieval;Faloutsos,1989
5. R-trees: A Dynamic Index Structure for Spatial Searching;Guttman,1984