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👋 PETAL Lab

The Pittsburgh EducaTional And Language technology lab
at the University of Pittsburgh focuses on Speech and Natural Language Technology for Educational Applications. Led by Prof. Diane J. Litman, our NLP research currently focuses on argument mining, multi-party dialogue, revision analysis, and summarization, applied to educational applications such as writing evaluation systems, dialogue tutors, and teacher dashboards.

Learn with each other ☕️

Share your knowledge with the group and explore exciting new topics together! Feel free to reach out to the group memebers for collaboration

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Recent News

Tweets by PetalNLP

PETAL Lab Group Dinner

Petal lab members gathered together for the group dinner!

Aug 25, 2026 1 min read
PETAL Lab Group Dinner
Salem completed his PhD Defense! Congratuations!

Mohamed Salem Elaraby successfully defended his dissertation, On The Role of Argumentation in Long-form Abstractive Summarization. See the defense announcement.

Aug 24, 2026 1 min read
Salem completed his PhD Defense! Congratuations!
[June 2026] Tools Competition winner for the Multimodal College-Level Writing and Feedback Dataset

The Multimodal College-Level Writing and Feedback Dataset received a 2026 Tools Competition prize.

Jun 23, 2026 1 min read
[2026] Prof. Litman is included in Research.com's Best Computer Scientists ranking

Prof. Litman was included in Research.com’s 12th edition of Best Computer Scientists in the US and World.

Jan 1, 2026 1 min read
Nhat defended his dissertation! Congratuations Dr. Tran!

Nhat Tran successfully defended his dissertation, Automated Assessment of Classroom Discussion Quality with Large Language Models. See the defense announcement.

Dec 8, 2025 1 min read
Nhat defended his dissertation! Congratuations Dr. Tran!
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