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Machine learning-based automatic scoring faces challenges with unbalanced student responses across scoring categories. To address this, we introduce a novel text data augmentation framework leveraging GPT-4, a generative large language…

Computation and Language · Computer Science 2024-09-09 Luyang Fang , Gyeong-Geon Lee , Xiaoming Zhai

Human mobility modeling from GPS-trajectories and synthetic trajectory generation are crucial for various applications, such as urban planning, disaster management and epidemiology. Both of these tasks often require filling gaps in a…

Machine Learning · Computer Science 2024-11-08 Shang-Ling Hsu , Emmanuel Tung , John Krumm , Cyrus Shahabi , Khurram Shafique

Cyber attacks are often identified using system and network logs. There have been significant prior works that utilize provenance graphs and ML techniques to detect attacks, specifically advanced persistent threats, which are very difficult…

Cryptography and Security · Computer Science 2023-11-13 Sihat Afnan , Mushtari Sadia , Shahrear Iqbal , Anindya Iqbal

Currently, under supervised learning, a model pretrained by a large-scale nature scene dataset and then fine-tuned on a few specific task labeling data is the paradigm that has dominated the knowledge transfer learning. It has reached the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-15 Tong Zhang , Peng Gao , Hao Dong , Yin Zhuang , Guanqun Wang , Wei Zhang , He Chen

Large Language Models (LLMs) are widely used for tasks such as natural language and code generation, but their outputs often suffer from issues like hallucination, toxicity, and incorrect results. Current libraries for structured LLM…

Software Engineering · Computer Science 2025-03-04 Shubham Ugare , Rohan Gumaste , Tarun Suresh , Gagandeep Singh , Sasa Misailovic

While recent advancements in speech language models have achieved significant progress, they face remarkable challenges in modeling the long acoustic sequences of neural audio codecs. In this paper, we introduce \textbf{G}enerative…

Computation and Language · Computer Science 2024-11-04 Yongxin Zhu , Dan Su , Liqiang He , Linli Xu , Dong Yu

A long-running goal of the clinical NLP community is the extraction of important variables trapped in clinical notes. However, roadblocks have included dataset shift from the general domain and a lack of public clinical corpora and…

Computation and Language · Computer Science 2022-12-01 Monica Agrawal , Stefan Hegselmann , Hunter Lang , Yoon Kim , David Sontag

General-purpose embedding models have demonstrated strong performance in text retrieval but remain suboptimal for table retrieval, where highly structured content leads to semantic compression and query-table mismatch. Recent LLM-based…

Information Retrieval · Computer Science 2026-01-23 Tsung-Hsiang Chou , Chen-Jui Yu , Shui-Hsiang Hsu , Yao-Chung Fan

Data imbalance is easily found in annotated data when the observations of certain continuous label values are difficult to collect for regression tasks. When they come to molecule and polymer property predictions, the annotated graph…

Machine Learning · Computer Science 2023-05-23 Gang Liu , Tong Zhao , Eric Inae , Tengfei Luo , Meng Jiang

Multi-modal large language models are regarded as a crucial step towards Artificial General Intelligence (AGI) and have garnered significant interest with the emergence of ChatGPT. However, current speech-language models typically adopt the…

Computation and Language · Computer Science 2023-05-22 Dong Zhang , Shimin Li , Xin Zhang , Jun Zhan , Pengyu Wang , Yaqian Zhou , Xipeng Qiu

Real world datasets contain incorrectly labeled instances that hamper the performance of the model and, in particular, the ability to generalize out of distribution. Also, each example might have different contribution towards learning.…

Prompt learning has become a prevalent strategy for adapting vision-language foundation models (VLMs) such as CLIP to downstream tasks. With the emergence of large language models (LLMs), recent studies have explored the potential of using…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Yubin Wang , Xinyang Jiang , De Cheng , Wenli Sun , Dongsheng Li , Cairong Zhao

In recent years, pre-trained large language models (LLMs) have demonstrated remarkable efficiency in achieving an inference-time few-shot learning capability known as in-context learning. However, existing literature has highlighted the…

Computation and Language · Computer Science 2024-02-14 Xinyi Wang , Wanrong Zhu , Michael Saxon , Mark Steyvers , William Yang Wang

Visual instruction datasets from various distributors are released at different times and often contain a significant number of semantically redundant text-image pairs, depending on their task compositions (i.e., skills) or reference…

Machine Learning · Computer Science 2025-03-25 Adyasha Maharana , Jaehong Yoon , Tianlong Chen , Mohit Bansal

Data plays a fundamental role in the training of Large Language Models (LLMs). While attention has been paid to the collection and composition of datasets, determining the data sampling strategy in training remains an open question. Most…

Computation and Language · Computer Science 2024-06-04 Yunfan Shao , Linyang Li , Zhaoye Fei , Hang Yan , Dahua Lin , Xipeng Qiu

Large language models(LLMS)have shown excellent text generation capabilities, capable of generating fluent human-like responses for many downstream tasks. However, applying large language models to real-world critical tasks remains…

Computation and Language · Computer Science 2023-07-21 Le Xiao , Xin Shan

Instruction tuning is essential for Large Language Models (LLMs) to effectively follow user instructions. To improve training efficiency and reduce data redundancy, recent works use LLM-based scoring functions, e.g., Instruction-Following…

Machine Learning · Computer Science 2025-12-02 Yanjun Fu , Faisal Hamman , Sanghamitra Dutta

There are numerous advantages of deep neural network surrogate modeling for response time-history prediction. However, due to the high cost of refined numerical simulations and actual experiments, the lack of data has become an unavoidable…

Machine Learning · Computer Science 2023-06-16 Yongjia Xu , Xinzheng Lu , Yifan Fei , Yuli Huang

In support of open and reproducible research, there has been a rapidly increasing number of datasets made available for research. As the availability of datasets increases, it becomes more important to have quality metadata for discovering…

Computation and Language · Computer Science 2023-10-18 Shiwei Zhang , Mingfang Wu , Xiuzhen Zhang

Deep learning models have proven to be effective on medical datasets for accurate diagnostic predictions from images. However, medical datasets often contain noisy, mislabeled, or poorly generalizable images, particularly for edge cases and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Ruhaan Singh , Sreelekha Guggilam