NLTK: The Natural Language Toolkit. - Steven Bird; Edward Loper (ACL (Poster and Demonstration), 2004)

Finding Good Sequential Model Structures using Output Transformations. - Edward Loper (EMNLP-CoNLL, 2007)

Can Semantic Roles Generalize Across Genres? - Szu-ting Yi; Edward Loper; Martha Palmer (HLT-NAACL, 2007)

SemEval-2007 Task-17: English Lexical Sample, SRL and All Words. - Sameer Pradhan; Edward Loper; Dmitriy Dligach; Martha Palmer (SemEval@ACL, 2007)

Natural Language Processing with Python. - Steven Bird; Ewan Klein; Edward Loper (O'Reilly, 2009)