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Large time series models (LTMs) have emerged as powerful tools for universal forecasting, yet they often struggle with the inherent diversity and nonstationarity of real-world time series data, leading to an unsatisfactory trade-off between…

机器学习 · 计算机科学 2026-03-03 Yunzhong Qiu , Zhiyao Cen , Zhongyi Pei , Chen Wang , Jianmin Wang

Domains such as scientific workflows and business processes exhibit data models with complex relationships between objects. This relationship is typically represented as sequences, where each data item is annotated with multi-dimensional…

数据库 · 计算机科学 2019-05-06 Phuong Nguyen , Vatche Ishakian , Vinod Muthusamy , Aleksander Slominski

Large language models (LLMs) excel in abstractive summarization tasks, delivering fluent and pertinent summaries. Recent advancements have extended their capabilities to handle long-input contexts, exceeding 100k tokens. However, in…

计算与语言 · 计算机科学 2024-11-15 Mathieu Ravaut , Aixin Sun , Nancy F. Chen , Shafiq Joty

Recent advances in large language models (LLMs) have led to new summarization strategies, offering an extensive toolkit for extracting important information. However, these approaches are frequently limited by their reliance on isolated…

人工智能 · 计算机科学 2024-06-21 Pranav Janjani , Mayank Palan , Sarvesh Shirude , Ninad Shegokar , Sunny Kumar , Faruk Kazi

Time Series Forecasting (TSF) is critical in many real-world domains like financial planning and health monitoring. Recent studies have revealed that Large Language Models (LLMs), with their powerful in-contextual modeling capabilities,…

机器学习 · 计算机科学 2025-03-14 Jialiang Tang , Shuo Chen , Chen Gong , Jing Zhang , Dacheng Tao

Time series data can be subject to changes in the underlying process that generates them and, because of these changes, models built on old samples can become obsolete or perform poorly. In this work, we present a way to incorporate…

机器学习 · 计算机科学 2021-08-27 Jesus Antonanzas , Marta Arias , Albert Bifet

Contextual Markov Decision Processes (CMDPs) offer a framework for sequential decision-making under external signals, but existing methods often fail to generalize in high-dimensional or unstructured contexts, resulting in excessive…

人工智能 · 计算机科学 2025-10-06 Peidong Liu , Junjiang Lin , Shaowen Wang , Yao Xu , Haiqing Li , Xuhao Xie , Siyi Wu , Hao Li

We investigate pre-training techniques for abstractive multi-document summarization (MDS), which is much less studied than summarizing single documents. Though recent work has demonstrated the effectiveness of highlighting information…

计算与语言 · 计算机科学 2023-11-17 Joseph J. Peper , Wenzhao Qiu , Lu Wang

Prompts with different control signals (e.g., length, keywords, etc.) can be used to control text summarization. When control signals are available, they can control the properties of generated summaries and potentially improve…

计算与语言 · 计算机科学 2022-12-20 Yubo Zhang , Xingxing Zhang , Xun Wang , Si-qing Chen , Furu Wei

Speech summarization is a critical component of spoken content understanding, particularly in the era of rapidly growing spoken and audiovisual data. Recent advances in multi-modal large language models (MLLMs), leveraging the power of…

音频与语音处理 · 电气工程与系统科学 2025-09-25 Shaoshi Ling , Gang Liu , Guoli Ye , Jinyu Li

This study addresses the challenges of analyzing temporal discrepancies in large language models (LLMs) trained on data from different time periods. To facilitate the automatic exploration of these differences, we propose a novel system…

信息检索 · 计算机科学 2024-10-08 Reinhard Friedrich Fritsch , Adam Jatowt

Multimodal Large Language Models (MLLMs) face significant computational overhead when processing long videos due to the massive number of visual tokens required. To improve efficiency, existing methods primarily reduce redundancy by pruning…

人工智能 · 计算机科学 2026-05-22 Bingjun Luo , Tony Wang , Chaoqi Chen , Xinpeng Ding

Time series analysis has gained significant attention due to its critical applications in diverse fields such as healthcare, finance, and sensor networks. The complexity and non-stationarity of time series make it challenging to capture the…

机器学习 · 计算机科学 2024-10-31 Guancen Lin , Cong Shen , Aijing Lin

The advent of large language models (LLMs) has significantly advanced natural language processing tasks like text summarization. However, their large size and computational demands, coupled with privacy concerns in data transmission, limit…

计算与语言 · 计算机科学 2024-03-18 Pengcheng Jiang , Cao Xiao , Zifeng Wang , Parminder Bhatia , Jimeng Sun , Jiawei Han

Summarization is a core task in Natural Language Processing (NLP). Recent advances in Large Language Models (LLMs) and the introduction of large context windows reaching millions of tokens make it possible to process entire books in a…

计算与语言 · 计算机科学 2026-03-12 Tairan Fu , Javier Conde , Pedro Reviriego , Javier Coronado-Blázquez , Nina Melero , Elena Merino-Gómez

The goal of the cross-lingual summarization (CLS) is to convert a document in one language (e.g., English) to a summary in another one (e.g., Chinese). Essentially, the CLS task is the combination of machine translation (MT) and monolingual…

计算与语言 · 计算机科学 2022-03-28 Yunlong Liang , Fandong Meng , Chulun Zhou , Jinan Xu , Yufeng Chen , Jinsong Su , Jie Zhou

Query-focused summarization (QFS) is a fundamental task in natural language processing with broad applications, including search engines and report generation. However, traditional approaches assume the availability of relevant documents,…

计算与语言 · 计算机科学 2024-08-21 Weijia Zhang , Jia-Hong Huang , Svitlana Vakulenko , Yumo Xu , Thilina Rajapakse , Evangelos Kanoulas

With the advent and popularity of big data mining and huge text analysis in modern times, automated text summarization became prominent for extracting and retrieving important information from documents. This research investigates aspects…

信息检索 · 计算机科学 2023-05-31 Daniel F. O. Onah , Elaine L. L. Pang , Mahmoud El-Haj

Remarkable advances in large language models (LLMs) have enabled high-quality text summarization. However, this capability is currently accessible only through LLMs of substantial size or proprietary LLMs with usage fees. In response,…

计算与语言 · 计算机科学 2024-11-20 Sangwon Ryu , Heejin Do , Yunsu Kim , Gary Geunbae Lee , Jungseul Ok

Fairness in multi-document summarization (MDS) is crucial for providing comprehensive views across documents with diverse social attribute values, which can significantly impact decision-making. For example, a summarization system that…

计算与语言 · 计算机科学 2025-06-13 Haoyuan Li , Rui Zhang , Snigdha Chaturvedi