Computing and Combinatorics : 7th Annual International Conference COCOON 2001 Guilin China August 20–23 2001 Proceedings This book constitutes the refereed proceedings of the 7th Annual International Conference on Computing and Combinatorics COCOON 2001 held in Guilin China in August 2001. The 50 revised full papers and 16 short papers presented were carefully reviewed and selected from 97 submissions. The papers are organized in topical sections on complexity theory computational biology computational geometry data structures and algorithms games and combinatorics graph algorithms and complexity graph drawing graph theory online algorithms randomized and average case algorithms Steiner trees systems algorithms and modeling and computability