no code implementations • 11 Jan 2024 • Sabina Elkins, Ekaterina Kochmar, Jackie C. K. Cheung, Iulian Serban
Question generation (QG) is a natural language processing task with an abundance of potential benefits and use cases in the educational domain.
1 code implementation • 4 Dec 2023 • Zichao Li, Ines Arous, Siva Reddy, Jackie C. K. Cheung
The potential of using a large language model (LLM) as a knowledge base (KB) has sparked significant interest.
1 code implementation • 3 Oct 2023 • Behzad Shayegh, Yanshuai Cao, Xiaodan Zhu, Jackie C. K. Cheung, Lili Mou
We investigate the unsupervised constituency parsing task, which organizes words and phrases of a sentence into a hierarchical structure without using linguistically annotated data.
no code implementations • 13 Apr 2023 • Sabina Elkins, Ekaterina Kochmar, Jackie C. K. Cheung, Iulian Serban
Controllable text generation (CTG) by large language models has a huge potential to transform education for teachers and students alike.
no code implementations • 14 Feb 2023 • Kushal Arora, Timothy J. O'Donnell, Doina Precup, Jason Weston, Jackie C. K. Cheung
State-of-the-art language generation models can degenerate when applied to open-ended generation problems such as text completion, story generation, or dialog modeling.
no code implementations • 25 May 2022 • Sabina Elkins, Robert Belfer, Ekaterina Kochmar, Iulian Serban, Jackie C. K. Cheung
This paper investigates personalization in the field of intelligent tutoring systems (ITS).
1 code implementation • Findings (ACL) 2022 • Zichao Li, Prakhar Sharma, Xing Han Lu, Jackie C. K. Cheung, Siva Reddy
We train a neural model with this feedback data that can generate explanations and re-score answer candidates.
Ranked #1 on Overall - Test on FeedbackQA
no code implementations • 13 Mar 2021 • Matt Grenander, Robert Belfer, Ekaterina Kochmar, Iulian V. Serban, François St-Hilaire, Jackie C. K. Cheung
We test our method in a dialogue-based ITS and demonstrate that our approach results in high-quality feedback and significantly improved student learning gains.
1 code implementation • 1 May 2020 • Yue Dong, Andrei Mircea, Jackie C. K. Cheung
We propose an unsupervised graph-based ranking model for extractive summarization of long scientific documents.
Ranked #1 on Unsupervised Extractive Summarization on Pubmed
1 code implementation • TACL 2020 • Kushal Arora, Aishik Chakraborty, Jackie C. K. Cheung
In this paper, we propose LexSub, a novel approach towards unifying lexical and distributional semantics.
no code implementations • 12 Jan 2019 • Jingyun Liu, Jackie C. K. Cheung, Annie Louis
Existing approaches to automatic summarization assume that a length limit for the summary is given, and view content selection as an optimization problem to maximize informativeness and minimize redundancy within this budget.
no code implementations • 18 Jun 2017 • Louis Chartrand, Jackie C. K. Cheung, Mohamed Bouguessa
When performing a conceptual analysis of a concept, philosophers are interested in all forms of expression of a concept in a text---be it direct or indirect, explicit or implicit.