Stephen Roller

Research Engineer

I am a Research Engineer at Facebook AI Research. Previously, I completed my PhD at the University of Texas at Austin, where I studied applications of word embeddings in areas including textual entailment, lexical entailment, lexical relations, paraphrasing, and non-textual modalities. I was also briefly a visiting student at The University of Stuttgart, and completed my undergraduate studies at North Carolina State University.


Natural language processing, semantics, word embeddings, deep learning, and lexical entailment.

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Latest Publications

Don’t Say That! Making Inconsistent Dialogue Unlikely with Unlikelihood Training

Margaret Li, Stephen Roller, Ilia Kulikov, Sean Welleck, Y-Lan Boureau, Kyunghyun Cho, Jason Weston

ACL - June 22, 2020

The Dialogue Dodecathlon: Open-Domain Knowledge and Image Grounded Conversational Agents

Kurt Shuster, Da Ju, Stephen Roller, Emily Dinan, Y-Lan Boureau, Jason Weston

ACL - June 19, 2020

What makes a good conversation? How controllable attributes affect human judgments

Abigail See, Stephen Roller, Douwe Kiela, Jason Weston

NAACL - July 28, 2019

Inferring Concept Hierarchies from Text Corpora via Hyperbolic Embeddings

Matt Le, Stephen Roller, Laetitia Papaxanthos, Douwe Kiela, Maximilian Nickel

ACL - July 28, 2019

Hearst Patterns Revisited: Automatic Hypernym Detection from Large Text Corpora

Stephen Roller, Douwe Kiela, Maximilian Nickel

ACL 2018 - July 16, 2018