no code implementations • 1 May 2024 • Jionghao Lin, Eason Chen, Zeifei Han, Ashish Gurung, Danielle R. Thomas, Wei Tan, Ngoc Dang Nguyen, Kenneth R. Koedinger
To quantify the quality of highlighted praise components identified by GPT models, we introduced a Modified Intersection over Union (M-IoU) score.
no code implementations • 15 Jan 2024 • Wei Tan, Ngoc Dang Nguyen, Lan Du, Wray Buntine
Within the scope of natural language processing, the domain of multi-label text classification is uniquely challenging due to its expansive and uneven label distribution.
no code implementations • 2 Nov 2023 • Haocheng Luo, Wei Tan, Ngoc Dang Nguyen, Lan Du
Active learning, a widely adopted technique for enhancing machine learning models in text and image classification tasks with limited annotation resources, has received relatively little attention in the domain of Named Entity Recognition (NER).
no code implementations • 2 Nov 2023 • Ngoc Dang Nguyen, Wei Tan, Lan Du, Wray Buntine, Richard Beare, Changyou Chen
Named entity recognition (NER), a task that identifies and categorizes named entities such as persons or organizations from text, is traditionally framed as a multi-class classification problem.
no code implementations • 27 Jun 2023 • Jionghao Lin, Danielle R. Thomas, Feifei Han, Shivang Gupta, Wei Tan, Ngoc Dang Nguyen, Kenneth R. Koedinger
Research demonstrates learners engaging in the process of producing explanations to support their reasoning, can have a positive impact on learning.
no code implementations • 15 Apr 2023 • Jionghao Lin, Wei Tan, Ngoc Dang Nguyen, David Lang, Lan Du, Wray Buntine, Richard Beare, Guanliang Chen, Dragan Gasevic
We note that many prior studies on classifying educational DAs employ cross entropy (CE) loss to optimize DA classifiers on low-resource data with imbalanced DA distribution.
no code implementations • 9 Dec 2022 • Ngoc Dang Nguyen, Wei Tan, Wray Buntine, Richard Beare, Changyou Chen, Lan Du
To the best of our knowledge, this is the first work that brings AUC maximization to the NER setting.
Low Resource Named Entity Recognition named-entity-recognition +2
no code implementations • 11 Nov 2022 • Ngoc Dang Nguyen, Lan Du, Wray Buntine, Changyou Chen, Richard Beare
Domain adaptation is an effective solution to data scarcity in low-resource scenarios.