@InProceedings{Fokkens-EtAl:2011:PACLIC2011,
author    = {Antske Fokkens and Yi Zhang and Emily M. Bender},
title     = {Spring Cleaning and Grammar Compression: Two Techniques for Detection of Redundancy in HPSG Grammars},
booktitle = {Proceedings of the 25th Pacific Asia Conference on Language, Information and Computation},
year      = {2011},
month     = {December},
address   = {Singapore},
publisher = {Institute of Digital Enhancement of Cognitive Processing, Waseda University},
pages     = {236--244},
url       = {http://www.aclweb.org/anthology/Y11-1025}
}