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The increase in academic dishonesty cases among college students has raised concern, particularly due to the shift towards online learning caused by the pandemic. We aim to develop and implement a method capable of generating tailored…

Computation and Language · Computer Science 2024-05-10 Yicheng Yang , Xinyu Wang , Haoming Yu , Zhiyuan Li

Automated essay scoring (AES) aims to score essays written for a given prompt, which defines the writing topic. Most existing AES systems assume to grade essays of the same prompt as used in training and assign only a holistic score.…

Computation and Language · Computer Science 2023-08-30 Heejin Do , Yunsu Kim , Gary Geunbae Lee

Computer-aided translation (CAT) aims to enhance human translation efficiency and is still important in scenarios where machine translation cannot meet quality requirements. One fundamental task within this field is Word-Level Auto…

Computation and Language · Computer Science 2023-12-01 Hengchao Shang , Zongyao Li , Daimeng Wei , Jiaxin Guo , Minghan Wang , Xiaoyu Chen , Lizhi Lei , Hao Yang

Answering complex, real-world queries often requires synthesizing facts scattered across vast document corpora. In these settings, standard retrieval-augmented generation (RAG) pipelines suffer from incomplete evidence coverage, while…

Computation and Language · Computer Science 2026-03-10 Yagiz Can Akay , Muhammed Yusuf Kartal , Esra Alparslan , Faruk Ortakoyluoglu , Arda Akpinar

Self-evolving language-model agents must decide what to learn next and how to preserve what they have learned across iterations. Existing systems typically carry this cross-iteration knowledge as natural-language feedback, flat episodic…

Artificial Intelligence · Computer Science 2026-05-12 Ruiyi Yang , Zechen Li , Hao Xue , Imran Razzak , Flora D. Salim

The majority of machine learning methods and algorithms give high priority to prediction performance which may not always correspond to the priority of the users. In many cases, practitioners and researchers in different fields, going from…

Automated scoring of student responses to open-ended questions, including short-answer questions, has great potential to scale to a large number of responses. Recent approaches for automated scoring rely on supervised learning, i.e.,…

Computation and Language · Computer Science 2023-06-02 Mengxue Zhang , Neil Heffernan , Andrew Lan

This study introduces a novel method that employs tag annotation coupled with the ChatGPT language model to analyze student learning behaviors and generate personalized feedback. Central to this approach is the conversion of complex student…

Artificial Intelligence · Computer Science 2025-01-14 Yizhou Zhou , Mengqiao Zhang , Yuan-Hao Jiang , Xinyu Gao , Naijie Liu , Bo Jiang

We present FasterSeg, an automatically designed semantic segmentation network with not only state-of-the-art performance but also faster speed than current methods. Utilizing neural architecture search (NAS), FasterSeg is discovered from a…

Computer Vision and Pattern Recognition · Computer Science 2020-01-20 Wuyang Chen , Xinyu Gong , Xianming Liu , Qian Zhang , Yuan Li , Zhangyang Wang

Retrieval-augmented generation (RAG) has emerged as a pivotal method for expanding the knowledge of large language models. To handle complex queries more effectively, researchers developed Adaptive-RAG (A-RAG) to enhance the generated…

Artificial Intelligence · Computer Science 2025-05-27 Jie Ou , Jinyu Guo , Shuaihong Jiang , Zhaokun Wang , Libo Qin , Shunyu Yao , Wenhong Tian

Attention-based sequence-to-sequence modeling provides a powerful and elegant solution for applications that need to map one sequence to a different sequence. Its success heavily relies on the availability of large amounts of training data.…

Computation and Language · Computer Science 2021-02-12 Yun Tang , Juan Pino , Changhan Wang , Xutai Ma , Dmitriy Genzel

Cross-topic automated essay scoring (AES) aims to develop a transferable model capable of effectively evaluating essays on a target topic. A significant challenge in this domain arises from the inherent discrepancies between topics. While…

Computation and Language · Computer Science 2025-08-11 Chunyun Zhang , Hongyan Zhao , Chaoran Cui , Qilong Song , Zhiqing Lu , Shuai Gong , Kailin Liu

An important, yet largely unstudied, problem in student data analysis is to detect misconceptions from students' responses to open-response questions. Misconception detection enables instructors to deliver more targeted feedback on the…

Machine Learning · Statistics 2017-03-31 Joshua J. Michalenko , Andrew S. Lan , Richard G. Baraniuk

Large Language Models (LLMs) are increasingly explored for educational tasks such as grading, yet their alignment with human evaluation in real classrooms remains underexamined. In this study, we investigate the feasibility of using an LLM…

Computation and Language · Computer Science 2025-11-19 Grace Byun , Swati Rajwal , Jinho D. Choi

Effective knowledge management is critical for preserving institutional expertise and improving the efficiency of workforce training in state transportation agencies. Traditional approaches, such as static documentation, classroom-based…

Computation and Language · Computer Science 2026-03-05 Divija Amaram , Lu Gao , Gowtham Reddy Gudla , Tejaswini Sanjay Katale

In the domain of education, the integration of,technology has led to a transformative era, reshaping traditional,learning paradigms. Central to this evolution is the automation,of grading processes, particularly within the STEM domain…

Artificial Intelligence · Computer Science 2024-09-25 Rajlaxmi Patil , Aditya Ashutosh Kulkarni , Ruturaj Ghatage , Sharvi Endait , Geetanjali Kale , Raviraj Joshi

The ability to ask questions is important in both human and machine intelligence. Learning to ask questions helps knowledge acquisition, improves question-answering and machine reading comprehension tasks, and helps a chatbot to keep the…

Computation and Language · Computer Science 2020-03-06 Bang Liu , Haojie Wei , Di Niu , Haolan Chen , Yancheng He

Most commodity software lacks accessible Application Programming Interfaces (APIs), requiring autonomous agents to interact solely through pixel-based Graphical User Interfaces (GUIs). In this API-free setting, large language model…

Artificial Intelligence · Computer Science 2026-03-26 Chenwei Tang , Lin Long , Xinyu Liu , Jingyu Xing , Zizhou Wang , Joey Tianyi Zhou , Jiawei Du , Liangli Zhen , Jiancheng Lv

SGD (Stochastic Gradient Descent) is a popular algorithm for large scale optimization problems due to its low iterative cost. However, SGD can not achieve linear convergence rate as FGD (Full Gradient Descent) because of the inherent…

Machine Learning · Computer Science 2017-12-05 Aixiang Chen , Bingchuan Chen , Xiaolong Chai , Rui Bian , Hengguang Li

Sparse reward environments in reinforcement learning (RL) pose significant challenges for exploration, often leading to inefficient or incomplete learning processes. To tackle this issue, this work proposes a teacher-student RL framework…

Artificial Intelligence · Computer Science 2024-10-14 Unai Ruiz-Gonzalez , Alain Andres , Pedro G. Bascoy , Javier Del Ser