@inproceedings{05263dec1f9f4fd782f1efacc4ee6124,
title = "Frameworks for generalization constraints and operations based on object - oriented data structure in database generalization",
keywords = "GIP, NA, ADLIB-ART-860, EOS",
author = "Liu Yaolin and M. Molenaar and Tinghua Ai",
year = "2001",
language = "English",
booktitle = "Proceedings 20th International Cartographic Conference : Mapping the 21st century, Beijing, China, August 6-10, 2001. 12 p.",
publisher = "International Cartographic Association",
address = "New Zealand",
}