@article{biblio2844310355985758064, author = {Jiří Havelka}, year = 2005, title = {Projectivity in Totally Ordered Rooted Trees: An Alternative Definition of Projectivity and Optimal Algorithms for Detecting Non-Projective Edges and Projectivizing Totally Ordered Rooted Trees}, journal = {The Prague Bulletin of Mathematical Linguistics}, number = {84}, pages = {13--30}, issn = {0032-6585}, }