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This paper addresses the critical disconnect between prediction and decision quality in portfolio optimization by integrating Large Language Models (LLMs) with decision-focused learning. We demonstrate both theoretically and empirically…

投资组合管理 · 定量金融 2025-02-04 Yoontae Hwang , Yaxuan Kong , Stefan Zohren , Yongjae Lee

This paper presents a comprehensive evaluation of the capabilities of Large Language Models (LLMs) in metaphor interpretation across multiple datasets, tasks, and prompt configurations. Although metaphor processing has gained significant…

计算与语言 · 计算机科学 2025-07-22 Elisa Sanchez-Bayona , Rodrigo Agerri

Informative data selection is a key requirement for large language models (LLMs) to minimize the amount of data required for fine-tuning, network distillation, and token pruning, enabling fast and efficient deployment, especially under…

机器学习 · 计算机科学 2026-02-03 Ahmad Sarlak , Abolfazl Razi

Large Language Models (LLMs) have demonstrated unprecedented generative capabilities, yet their alignment with human values remains critical for ensuring helpful and harmless deployments. While Reinforcement Learning from Human Feedback…

Masked diffusion large language models (dLLMs) are emerging as promising alternatives to autoregressive LLMs, offering competitive performance while supporting unique generation capabilities such as inpainting. We explore how inpainting can…

机器学习 · 计算机科学 2025-09-15 Siyan Zhao , Mengchen Liu , Jing Huang , Miao Liu , Chenyu Wang , Bo Liu , Yuandong Tian , Guan Pang , Sean Bell , Aditya Grover , Feiyu Chen

Large language models (LLMs) achieve strong performance in long-horizon decision-making tasks through multi-step interaction and reasoning at test time. While practitioners commonly believe a higher task success rate necessitates the use of…

人工智能 · 计算机科学 2026-05-15 Yuanzhe Li , Jianing Deng , Jingtong Hu , Tianlong Chen , Song Wang , Huanrui Yang

Large language models (LLMs) have demonstrated impressive capabilities in general scenarios, exhibiting a level of aptitude that approaches, in some aspects even surpasses, human-level intelligence. Among their numerous skills, the…

计算与语言 · 计算机科学 2023-11-30 Zhiwei He , Tian Liang , Wenxiang Jiao , Zhuosheng Zhang , Yujiu Yang , Rui Wang , Zhaopeng Tu , Shuming Shi , Xing Wang

Understanding why deep neural networks (DNNs) fail to generalize to unseen samples remains a long-standing challenge. Existing studies mainly examine changes in externally observable factors such as data, representations, or outputs, yet…

机器学习 · 计算机科学 2026-05-14 Huiqi Deng , Yibo Li , Quanshi Zhang , Peng Zhang , Hongbin Pei , Xia Hu

We propose a deep learning algorithm for high dimensional optimal stopping problems. Our method is inspired by the penalty method for solving free boundary PDEs. Within our approach, the penalized PDE is approximated using the Deep BSDE…

数理金融 · 定量金融 2026-04-07 Yunfei Peng , Pengyu Wei , Wei Wei

Large language models (LLMs) have demonstrated potential in educational applications, yet their capacity to accurately assess the cognitive alignment of reading materials with students' developmental stages remains insufficiently explored.…

计算与语言 · 计算机科学 2025-08-26 Wenhan Dong , Zhen Sun , Yuemeng Zhao , Zifan Peng , Jun Wu , Jingyi Zheng , Yule Liu , Xinlei He , Yu Wang , Ruiming Wang , Xinyi Huang , Lei Mo

Large Language Models (LLMs) have shown a high capability in answering questions on a diverse range of topics. However, these models sometimes produce biased, ideologized or incorrect responses, limiting their applications if there is no…

人工智能 · 计算机科学 2026-04-08 Xiaotian Zhou , Di Tang , Xiaofeng Wang , Xiaozhong Liu

Machine learning for scientific applications faces the challenge of limited data. We propose a framework that leverages a priori known physics to reduce overfitting when training on relatively small datasets. A deep neural network is…

机器学习 · 计算机科学 2019-11-22 Jonathan B. Freund , Jonathan F. MacArt , Justin Sirignano

It is crucial for large language models (LLMs) to follow instructions that involve multiple constraints. However, it is an unexplored area to enhance LLMs' ability to follow soft constraints. To bridge the gap, we initially design a…

计算与语言 · 计算机科学 2025-06-03 Qingyu Ren , Jie Zeng , Qianyu He , Jiaqing Liang , Yanghua Xiao , Weikang Zhou , Zeye Sun , Fei Yu

Layer pruning efficiently reduces Large Language Model (LLM) computational costs but often triggers sudden performance collapse. Existing representation-based analyses struggle to explain this mechanism. We propose studying pruning through…

计算与语言 · 计算机科学 2026-05-11 Boyu Shi , Chang Liu , ChuanBao Gao , Xu Yang , Xin Geng

Word Sense Disambiguation (WSD) is a historical task in computational linguistics that has received much attention over the years. However, with the advent of Large Language Models (LLMs), interest in this task (in its classical definition)…

计算与语言 · 计算机科学 2025-03-12 Pierpaolo Basile , Lucia Siciliani , Elio Musacchio , Giovanni Semeraro

Huge amount of applications in various fields, such as gene expression analysis or computer vision, undergo data sets with high-dimensional low-sample-size (HDLSS), which has putted forward great challenges for standard statistical and…

机器学习 · 计算机科学 2022-06-07 Liran Shen , Meng Joo Er , Qingbo Yin

Large Language Models (LLMs) have demonstrated remarkable performance across various domains, motivating researchers to investigate their potential use in recommendation systems. However, directly applying LLMs to recommendation tasks has…

信息检索 · 计算机科学 2024-06-21 Zhuoxi Bai , Ning Wu , Fengyu Cai , Xinyi Zhu , Yun Xiong

Knowledge distillation (KD) is known as a promising solution to compress large language models (LLMs) via transferring their knowledge to smaller models. During this process, white-box KD methods usually minimize the distance between the…

计算与语言 · 计算机科学 2024-10-02 Songming Zhang , Xue Zhang , Zengkui Sun , Yufeng Chen , Jinan Xu

Microstructure plays a critical role in determining the macroscopic properties of materials, with applications spanning alloy design, MEMS devices, and tissue engineering, among many others. Computational frameworks have been developed to…

计算工程、金融与科学 · 计算机科学 2024-09-24 Nikita Kartashov , Nikolaos N. Vlassis

Deep neural networks (DNNs) have been widely applied to solve real-world regression problems. However, selecting optimal network structures remains a significant challenge. This study addresses this issue by linking neuron selection in DNNs…

统计计算 · 统计学 2025-09-30 Noah Yi-Ting Hung , Li-Hsiang Lin , Vince D. Calhoun