Cube Pruning as Heuristic Search. - Mark Hopkins; Greg Langmead (EMNLP, 2009)

SCFG Decoding Without Binarization. - Mark Hopkins; Greg Langmead (EMNLP, 2010)

Extraction Programs: A Unified Approach to Translation Rule Extraction. - Mark Hopkins; Greg Langmead; Tai Vo (WMT@EMNLP, 2011)