1. Rendering effective route maps: improving usability through generalization;Agrawala,2001
2. Modeling a public transport network for generation of schematic maps and location queries;Avelar,2001
3. Generating topologically correct schematic maps;Avelar,2000
4. Schematizing maps: simplification of geographic shape by discrete curve evolution;Barbowsky,2000
5. Testing homotopy for paths in the plane;Cabello,2002