Michael J. Bannister, David Eppstein. Hardness of Approximate Compaction for Nonplanar Orthogonal Graph Drawings. In Marc J. van Kreveld, Bettina Speckmann, editors, Graph Drawing - 19th International Symposium, GD 2011, Eindhoven, The Netherlands, September 21-23, 2011, Revised Selected Papers. Volume 7034 of Lecture Notes in Computer Science, pages 367-378, Springer, 2011.
Abstract is missing.