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The proliferation of time series foundation models has created a landscape where no single method achieves consistent superiority, framing the central challenge not as finding the best model, but as orchestrating an optimal ensemble with…

Artificial Intelligence · Computer Science 2025-12-19 Defu Cao , Michael Gee , Jinbo Liu , Hengxuan Wang , Wei Yang , Rui Wang , Yan Liu

An emerging topic in large language models (LLMs) is their application to time series forecasting, characterizing mainstream and patternable characteristics of time series. A relevant but rarely explored and more challenging question is…

Machine Learning · Computer Science 2024-08-08 Manqing Dong , Hao Huang , Longbing Cao

Fine-tuning large language models (LLMs) with low-rank adaptation (LoRA) is a cost-effective way to incorporate information from a specific dataset. However, when a problem requires incorporating information from multiple datasets - as in…

Machine Learning · Computer Science 2026-04-03 Liyi Zhang , Jake Snell , Thomas L. Griffiths

Despite progress in end-to-end ASR, real-world domain mismatches still cause performance drops, which Test-Time Adaptation (TTA) aims to mitigate by adjusting models during inference. Recent work explores combining TTA with external…

Computation and Language · Computer Science 2025-06-16 Wei-Ping Huang , Guan-Ting Lin , Hung-yi Lee

While large language models (LLMs) like GPT-3 have achieved impressive results on multiple choice question answering (MCQA) tasks in the zero, one, and few-shot settings, they generally lag behind the MCQA state of the art (SOTA). MCQA…

Computation and Language · Computer Science 2023-03-20 Joshua Robinson , Christopher Michael Rytting , David Wingate

Large Language Models (LLMs) have demonstrated effectiveness as zero-shot time series (TS) forecasters. The key challenge lies in tokenizing TS data into textual representations that align with LLMs' pre-trained knowledge. While existing…

Artificial Intelligence · Computer Science 2025-12-24 Xingyou Yin , Ceyao Zhang , Min Hu , Kai Chen

Natural language processing (NLP) has been widely used in quantitative finance, but traditional methods often struggle to capture rich narratives in corporate disclosures, leaving potentially informative signals under-explored. Large…

Computational Engineering, Finance, and Science · Computer Science 2026-03-17 Chanyeol Choi , Yoon Kim , Yu Yu , Young Cha , V. Zach Golkhou , Igor Halperin , Georgios Papaioannou , Minkyu Kim , Zhangyang Wang , Jihoon Kwon , Minjae Kim , Alejandro Lopez-Lira , Yongjae Lee

Graph Neural Networks (GNNs) have empowered the advance in graph-structured data analysis. Recently, the rise of Large Language Models (LLMs) like GPT-4 has heralded a new era in deep learning. However, their application to graph data poses…

Machine Learning · Computer Science 2024-04-12 Runjin Chen , Tong Zhao , Ajay Jaiswal , Neil Shah , Zhangyang Wang

Latent Dirichlet Allocation (LDA) is a prominent generative probabilistic model used for uncovering abstract topics within document collections. In this paper, we explore the effectiveness of augmenting topic models with Large Language…

Computation and Language · Computer Science 2025-07-14 Mengze Hong , Chen Jason Zhang , Di Jiang

Large language models ($\textbf{LLMs}$) have emerged as a powerful method for discovery. Instead of utilizing numerical data, LLMs utilize associated variable $\textit{semantic metadata}$ to predict variable relationships. Simultaneously,…

Machine Learning · Computer Science 2025-04-15 Alex Havrilla , David Alvarez-Melis , Nicolo Fusi

Time-series forecasting in real-world applications such as finance and energy often faces challenges due to limited training data and complex, noisy temporal dynamics. Existing deep forecasting models typically supervise predictions using…

Machine Learning · Computer Science 2026-01-14 Jiacheng You , Jingcheng Yang , Yuhang Xie , Zhongxuan Wu , Xiucheng Li , Feng Li , Pengjie Wang , Jian Xu , Bo Zheng , Xinyang Chen

Large Language Models (LLMs) have demonstrated strong performance across a wide range of tasks, yet they still struggle with complex mathematical reasoning, a challenge fundamentally rooted in deep structural dependencies. To address this…

Artificial Intelligence · Computer Science 2025-12-01 Lei Zan , Keli Zhang , Ruichu Cai , Lujia Pan

Time series forecasting traditionally relies on unimodal numerical inputs, which often struggle to capture high-level semantic patterns due to their dense and unstructured nature. While recent approaches have explored representing time…

Machine Learning · Computer Science 2025-07-02 Sixun Dong , Wei Fan , Teresa Wu , Yanjie Fu

Multimodal signals, including text, audio, image, and video, can be integrated into Semantic Communication (SC) systems to provide an immersive experience with low latency and high quality at the semantic level. However, the multimodal SC…

Artificial Intelligence · Computer Science 2024-08-06 Feibo Jiang , Li Dong , Yubo Peng , Kezhi Wang , Kun Yang , Cunhua Pan , Xiaohu You

Large Language Models (LLMs) offer the potential for automatic time series analysis and reporting, which is a critical task across many domains, spanning healthcare, finance, climate, energy, and many more. In this paper, we propose a…

Computation and Language · Computer Science 2024-10-10 Elizabeth Fons , Rachneet Kaur , Soham Palande , Zhen Zeng , Tucker Balch , Manuela Veloso , Svitlana Vyetrenko

Recent advances in text-based large language models (LLMs), particularly in the GPT series and the o1 model, have demonstrated the effectiveness of scaling both training-time and inference-time compute. However, current state-of-the-art TTS…

Audio and Speech Processing · Electrical Eng. & Systems 2025-02-25 Zhen Ye , Xinfa Zhu , Chi-Min Chan , Xinsheng Wang , Xu Tan , Jiahe Lei , Yi Peng , Haohe Liu , Yizhu Jin , Zheqi Dai , Hongzhan Lin , Jianyi Chen , Xingjian Du , Liumeng Xue , Yunlin Chen , Zhifei Li , Lei Xie , Qiuqiang Kong , Yike Guo , Wei Xue

Traffic prediction, an essential component for intelligent transportation systems, endeavours to use historical data to foresee future traffic features at specific locations. Although existing traffic prediction models often emphasize…

Machine Learning · Computer Science 2024-07-09 Chenxi Liu , Sun Yang , Qianxiong Xu , Zhishuai Li , Cheng Long , Ziyue Li , Rui Zhao

Large Language Models (LLMs) have demonstrated impressive capabilities, yet their deployment in high-stakes domains is hindered by inherent limitations in trustworthiness, including hallucinations, instability, and a lack of transparency.…

Computation and Language · Computer Science 2025-10-21 David Peer , Sebastian Stabinger

Large language models (LLMs) can be adapted either through numerical updates that alter model parameters or symbolic manipulations that work on discrete prompts or logical constraints. While numerical fine-tuning excels at injecting new…

Artificial Intelligence · Computer Science 2026-01-21 Kevin Wang , Neel P. Bhatt , Cong Liu , Junbo Li , Runjin Chen , Yihan Xi , Timothy Barclay , Alvaro Velasquez , Ufuk Topcu , Zhangyang Wang

We present Dynamic Skill Adaptation (DSA), an adaptive and dynamic framework to adapt novel and complex skills to Large Language Models (LLMs). Compared with previous work which learns from human-curated and static data in random orders, we…

Computation and Language · Computer Science 2024-12-30 Jiaao Chen , Diyi Yang