Lazy unification

Kurt Godden
1990 Proceedings of the 28th annual meeting on Association for Computational Linguistics -  
Unification-based NL parsers that copy argument graphs to prevent their destruction suffer from inefficiency.
doi:10.3115/981823.981846 dblp:conf/acl/Godden90 fatcat:ktxow4cqz5babghmbwoifo7sru