Maarten Sap

Maarten Sap

I'm a final year PhD student in the University of Washington's natural language processing (NLP) group, advised by Noah Smith and Yejin Choi. My research focuses on endowing NLP systems with social intelligence and social commonsense, and understanding social inequality and bias in language.

In the past, I've interned at AI2 on project Mosaic working on social commonsense reasoning, and at Microsoft Research working on long-term memory and storytelling with Eric Horvitz.

May 2021 update🥳: I will be joining CMU's LTI department as an assistant professor👨🏼‍🏫in Fall 2022. If you wish to work with me, see the "contact" page. Before starting there, I will be a postdoc at AI2 on project Mosaic 👨🏼‍🔬 starting Fall 2021.



We create an unsupervised model for controllable debiasing to rewrite and debias how characters are portrayed in sentences.

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Social Bias Frames

We introduce a new formalism to capture implications of social bias in language, and 150k structured annotations on social media posts.

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Social IQa

We create a large-scale benchmark for social commonsense reasoning that is challenging for modern NLP models.

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Racial Bias in Toxic Language Detection

We quantify racial bias in hate speech datasets and algorithms, and study how this bias arises in annotations.

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Introducing a knowledge graph for machine commonsense covering if-then inferential knowledge aroung everyday situations.

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We create a model and knowledge graph that enables commonsense inference on intents and reactions in relation to events.

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Social Commonsense in Short Stories

We create a new annotation framework of simple commonsense stories enabling reasoning about the mental states of its characters.

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Sounding Board

Winner of the 2017 Alexa Prize to further conversational AI, our approach is user-centric and content-driven.

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Power & Agency in movies

We create connotation frames of power and agency and use them to analyze gender bias in movies.

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