Papers

I would have written a shorter letter, but I did not have the time.

—Blaise Pascal

• Semantic graph parsing with recurrent neural network DAG grammars
  Federico Fancellu, Sorcha Gilroy, Adam Lopez, and Mirella Lapata. In Proceedings of EMNLP. 2019.
• A systematic comparison of methods for low-resource dependency parsing on genuinely low-resource languages
  Clara Vania, Yova Kementchedjhieva, Anders Søgaard, and Adam Lopez. In Proceedings of EMNLP. 2019.
• The problem with probabilistic DAG automata for semantic graphs
  Ieva Vasiljeva, Sorcha Gilroy, and Adam Lopez. In Proceedings of NAACL-HLT. 2019.
• Understanding learning dynamics of language models with SVCCA
  Naomi Saphra and Adam Lopez. In Proceedings of NAACL-HLT. 2019.
• Pre-training on high-resource speech recognition improves low-resource speech-to-text translation
  Sameer Bansal, Herman Kamper, Karen Livescu, Adam Lopez, and Sharon Goldwater. In Proceedings of NAACL-HLT. 2019.
• Tutorbot Corpus: Evidence of Human-Agent Verbal Alignment in Second Language Learner Dialogues
  Arabella Sinclair, Kate McCurdy, Rafael Ferreira, Adam Lopez, Christopher G. Lucas, Dragan Gašević. In Proceedings of Educational Data Mining. 2019.
• I wanna talk like you: Speaker Adaptation to Dialogue Style in L2 Practice Conversation
  Arabella J. Sinclair, Rafael Ferreira, Dragan Gašević, Christopher G. Lucas, and Adam Lopez. In Proceedings of AIED. 2019.
• Sparsity Emerges Naturally in Neural Language Models
  Naomi Saphra and Adam Lopez. In ICML Workshop on Identifying and Understanding Deep Learning Phenomena. 2019.
• What do character-level models learn about morphology? The case of dependency parsing
  Clara Vania, Andreas Grivas, and Adam Lopez. In Proceedings of EMNLP. 2018.
• Indicatements that character language models learn English morpho-syntactic units and regularities
  Yova Kementchedjhieva and Adam Lopez. In Proceedings of the Workshop on analyzing and interpreting neural networks for NLP. 2018.
• Low-resource speech-to-text translation
  Sameer Bansal, Herman Kamper, Karen Livescu, Adam Lopez, and Sharon Goldwater. In Proceedings of Interspeech. 2018.
• Does ability affect alignment in second language tutorial dialogue?
  Arabella Sinclair, Adam Lopez, Christopher G. Lucas and Dragan Gašević. In Proceedings of SIGDIAL. 2018.
• Neural networks for cross-lingual negation scope detection
  Federico Fancellu, Adam Lopez, and Bonnie Webber. In arXiv preprint arXiv:1810.02156. 2018.
• A structured syntax-semantics interface for English-AMR alignment
  Ida Szubert, Adam Lopez, and Nathan Schneider. In Proceedings of NAACL. 2018.
• Weighted DAG automata for semantic graphs
  David Chiang, Frank Drewes, Daniel Gildea, Adam Lopez, and Giorgio Satta. In Computational Linguistics, 44(1) : pages 119–186,. 2018.
• Spoken term discovery for language documentation using translations
  Antonios Anastasopoulos, Sameer Bansal, David Chiang, Sharon Goldwater and Adam Lopez. In Workshop on Speech-Centric Natural Language Processing (SCNLP). 2017.
• UParse: the Edinburgh system for the CoNLL 2017 UD shared task
  Clara Vania, Xingxing Zhang, and Adam Lopez. In Proceedings of the CoNLL shared task. 2017.
• Parsing graphs with regular graph grammars
  Sorcha Gilroy, Adam Lopez, and Sebastian Maneth. In Proceedings of *SEM. 2017.
• (Re)introducing regular graph languages
  Sorcha Gilroy, Adam Lopez, Sebastian Maneth, and Pijus Simonaitis. In Meeting on the Mathematics of Language. 2017.
• From characters to words to in between: Do we capture morphology?
  Clara Vania and Adam Lopez. In Proceedings of ACL. 2017.
• A generative parser with a discriminative recognition algorithm
  Jianpeng Cheng, Adam Lopez, and Mirella Lapata. In Proceedings of ACL. 2017.
• Universal dependencies to logical forms with negation scope
  Federico Fancellu, Siva Reddy, Adam Lopez, and Bonnie Webber. In Proceedings of the Workshop on Computational Semantics Beyond Events and Roles. 2017.
• Detecting negation scope is easy, except when it isn't
  Federico Fancellu, Adam Lopez, Bonnie Webber and Hangfeng He. In Proceedings of EACL. 2017.
• Towards speech-to-text translation without speech recognition
  Sameer Bansal, Adam Lopez, Herman Kamper, and Sharon Goldwater. In Proceedings of EACL. 2017.
• Weakly supervised spoken term discovery using cross-lingual side information
  Sameer Bansal, Herman Kamper, Sharon Goldwater, and Adam Lopez. In Proceedings of ICASSP. 2017.
• Evaluating informal-domain word representations with UrbanDictionary
  Naomi Saphra and Adam Lopez. In Proceedings of RepEval. 2016.
• N-gram language models for massively parallel devices
  Nikolay Bogoychev and Adam Lopez. In Proceedings of ACL. 2016.
• Neural networks for negation scope detection
  Federico Fancellu, Adam Lopez, and Bonnie Webber. In Proceedings of ACL. 2016.
• A maximum entropy classifier for cross-lingual pronoun prediction
  Dominikus Wetzel, Adam Lopez, and Bonnie Webber. In Proceedings of the Workshop on Discourse in Machine Translation. 2015.
• AMRICA: an AMR Inspector for Cross-language Alignments
  Naomi Saphra and Adam Lopez. In NAACL-HLT Demonstrations. 2015.
• Gappy pattern matching on GPUs for on-demand extraction of hierarchical translation grammars
  Hua He, Jimmy Lin, and Adam Lopez. In Transactions of the ACL, 3 . 2015.
• The machine translation leaderboard
  Matt Post and Adam Lopez. In The Prague Bulletin of Mathematical Linguistics, . 2014.
• General lattice decoding for improved speech-to-text translation with the Fisher and Callhome Spanish-English Speech Translation Corpus
  Matt Post, Gaurav Kumar, Adam Lopez, Damianos Karakos, Chris Callison-Burch, and Sanjeev Khudanpur. In Proceedings of IWSLT. 2013.
• Beyond bitext: Five open problems in machine translation
  with Matt Post. In Twenty Years of Bitext. 2013.
• Dirt cheap Web-scale parallel text from the Common Crawl
  Jason Smith, Herve Saint-Amand, Magdalena Plamada, Philipp Koehn, Chris Callison-Burch and Adam Lopez. In Proceedings of ACL. 2013.
• Massively parallel suffix array queries and on-demand phrase extraction for statistical machine translation using GPUs
  Hua He, Jimmy Lin, and Adam Lopez. In Proceedings of NAACL HLT. 2013.
• Learning to translate with products of novices: a suite of open-ended challenge problems for teaching MT
  With Matt Post, Chris Callison-Burch, Jonathan Weese, Juri Ganitkevitch, Narges Ahmidi, Olivia Buzek, Leah Hanson, Beenish Jamil, Matthias Lee, Ya-Ting Lin, Henry Pao, Fatima Rivera, Leili Shahriyari, Debu Sinha, Adam Teichert, Stephen Wampler, Michael Weinberger, Daguang Xu, Lin Yang, and Shang Zhao. In Transactions of the ACL, 1 : pages 165–178,. 2013.
• Putting human assessments of machine translation systems in order
  In Proceedings of WMT. 2012.
• Using categorial grammar to label translation rules
  Jonathan Weese, Chris Callison-Burch and Adam Lopez. In Proceedings of WMT. 2012.
• Training a log-linear parser with loss functions via softmax-margin
  Michael Auli and Adam Lopez. In Proceedings of EMNLP. 2011.
• Joshua 3.0: Syntax-based machine translation with the Thrax grammar extractor
  Jonathan Weese, Juri Ganitkevitch, Chris Callison-Burch, Matt Post and Adam Lopez. In Proceedings of WMT. 2011.
• A comparison of loopy belief propagation and dual decomposition for integrated CCG supertagging and parsing
  Michael Auli and Adam Lopez. In Proceedings of ACL. 2011.
• Efficient CCG parsing: A* versus adaptive supertagging
  Michael Auli and Adam Lopez. In Proceedings of ACL. 2011.
• Final report of the 2010 CLSP workshop on models for synchronous grammar induction
  Phil Blunsom, Chris Callison-Burch, Trevor Cohn, Chris Dyer, Jonathan Graehl, Adam Lopez, Jan Botha, Vladimir Eidelman, ThuyLinh Nguyen, Ziyuan Wang, Jonathan Weese, Olivia Buzek, and Desai Chen. 2010.
• Monte Carlo techniques for phrase-based translation
  Abhishek Arun, Barry Haddow, Philipp Koehn, Adam Lopez, Phil Blunsom, and Chris Dyer. In Machine Translation, 24(2) . 2010.
• cdec: A decoder, alignment, and learning framework for finite-state and context-free translation models
  Chris Dyer, Adam Lopez, Juri Ganitkevitch, Jonny Weese, Ferhan Ture, Phil Blunsom, Hendra Setiawan, Vlad Eidelman, and Philip Resnik. In Proceedings of ACL (Demonstration track). 2010.
• A unified framework for phrase-based, hierarchical, and syntax-based statistical machine translation
  Hieu Hoang, Philipp Koehn, and Adam Lopez. In Proceedings of IWSLT. 2009.
• Monte Carlo inference and maximization for phrase-based translation
  Abhishek Arun, Chris Dyer, Barry Haddow, Phil Blunsom, Adam Lopez, and Philipp Koehn. In Proceedings of CoNLL. 2009.
• Translation as weighted deduction
  In Proceedings of EACL. 2009.
• A systematic analysis of translation model search spaces
  Michael Auli, Adam Lopez, Hieu Hoang, and Philipp Koehn. In Proceedings of the Fourth Workshop on Statistical Machine Translation. 2009.
• Tera-scale translation models via pattern matching
  In Proceedings of COLING. 2008.
• Statistical machine translation
  In ACM Computing Surveys, 40(3) : Article 8, : pages 1–49,. 2008.
• Machine translation by pattern matching
  Dissertation, University of Maryland. 2008.
• Hierarchical phrase-based translation with suffix arrays
  In Proceedings of EMNLP-CoNLL. 2007.
• Word-based alignment, phrase-based translation: What's the link?
  With Philip Resnik. In Proceedings of AMTA. 2006.
• The Hiero machine translation system: Extensions, evaluation, and analysis
  David Chiang, Adam Lopez, Nitin Madnani, Christof Monz, Philip Resnik, and Michael Subotin. In Proceedings of HLT/EMNLP. 2005.
• Pattern visualization for machine translation output
  With Philip Resnik. In Proceedings of HLT/EMNLP Demonstrations. 2005.
• Improved HMM alignment models for languages with scarce resources
  With Philip Resnik. In Proceedings of the ACL 2005 Workshop on Building and Using Parallel Texts: Data Driven Machine Translation and Beyond. 2005.
• Word-level alignment for multilingual resource acquisition
  With Michael Nossal, Rebecca Hwa, and Philip Resnik. In Proceedings of the LREC Workshop on Linguistic Knowledge Acquisition and Representation—Bootstrapping Annotated Language Data. 2002.