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Long-context processing is a critical ability that constrains the applicability of large language models (LLMs). Although there exist various methods devoted to enhancing the long-context processing ability of LLMs, they are developed in an…

Computation and Language · Computer Science 2024-08-20 Junjie Fang , Likai Tang , Hongzhe Bi , Yujia Qin , Si Sun , Zhenyu Li , Haolun Li , Yongjian Li , Xin Cong , Yankai Lin , Yukun Yan , Xiaodong Shi , Sen Song , Zhiyuan Liu , Maosong Sun

Large language models (LLMs) have demonstrated remarkable capabilities in handling complex dialogue tasks without requiring use case-specific fine-tuning. However, analyzing live dialogues in real-time necessitates low-latency processing…

Computation and Language · Computer Science 2025-03-10 Xuanqing Liu , Luyang Kong , Wei Niu , Afshin Khashei , Belinda Zeng , Steve Johnson , Jon Jay , Davor Golac , Matt Pope

While modern Transformer-based language models (LMs) have achieved major success in multi-task generalization, they often struggle to capture long-range dependencies within their context window. This work introduces a novel approach using…

Computation and Language · Computer Science 2025-09-23 Alok N. Shah , Khush Gupta , Keshav Ramji , Pratik Chaudhari

We study the continual pretraining recipe for scaling language models' context lengths to 128K, with a focus on data engineering. We hypothesize that long context modeling, in particular \textit{the ability to utilize information at…

Computation and Language · Computer Science 2024-02-16 Yao Fu , Rameswar Panda , Xinyao Niu , Xiang Yue , Hannaneh Hajishirzi , Yoon Kim , Hao Peng

Large Language Models (LLMs) have demonstrated remarkable capabilities in handling long context inputs, but this comes at the cost of increased computational resources and latency. Our research introduces a novel approach for the long…

Computation and Language · Computer Science 2024-09-27 Zhenmei Shi , Yifei Ming , Xuan-Phi Nguyen , Yingyu Liang , Shafiq Joty

Large Language Models (LLMs) excel at reasoning and planning when trained on chainof-thought (CoT) data, where the step-by-step thought process is explicitly outlined by text tokens. However, this results in lengthy inputs where many words…

Computation and Language · Computer Science 2025-09-03 DiJia Su , Hanlin Zhu , Yingchen Xu , Jiantao Jiao , Yuandong Tian , Qinqing Zheng

Specialized entity linking (EL) models are well-trained at mapping mentions to unique knowledge base (KB) entities according to a given context. However, specialized EL models struggle to disambiguate long-tail entities due to their limited…

Computation and Language · Computer Science 2025-09-29 Amy Xin , Yunjia Qi , Zijun Yao , Fangwei Zhu , Kaisheng Zeng , Xu Bin , Lei Hou , Juanzi Li

Limited by the context window size of Large Language Models(LLMs), handling various tasks with input tokens exceeding the upper limit has been challenging, whether it is a simple direct retrieval task or a complex multi-hop reasoning task.…

Computation and Language · Computer Science 2025-02-19 Xiaoju Ye , Zhichun Wang , Jingyuan Wang

Transformer-based Language Models' computation and memory overhead increase quadratically as a function of sequence length. The quadratic cost poses challenges when employing LLMs for processing long sequences. In this work, we introduce…

Computation and Language · Computer Science 2025-10-23 Kiarash Zahirnia , Zahra Golpayegani , Walid Ahmed , Yang Liu

Large language models (LLMs) call for extension of context to handle many critical applications. However, the existing approaches are prone to expensive costs and inferior quality of context extension. In this work, we proposeExtensible…

Computation and Language · Computer Science 2024-02-20 Kun Luo , Zheng Liu , Shitao Xiao , Kang Liu

This work investigates context compression for Large Language Models (LLMs) using learned compression tokens to reduce the memory and computational demands of processing long sequences. We demonstrate that pre-trained LLMs can be fine-tuned…

Computation and Language · Computer Science 2025-11-12 Dmitrii Tarasov , Elizaveta Goncharova , Kuznetsov Andrey

Long-context models (LCMs) have demonstrated great potential in processing long sequences, facilitating many real-world applications. The success of LCMs can be attributed to their ability to locate implicit critical information within the…

Computation and Language · Computer Science 2025-11-05 Zecheng Tang , Baibei Ji , Juntao Li , Lijun Wu , Haijia Gui , Min Zhang

Prompting Large Language Models (LLMs), or providing context on the expected model of operation, is an effective way to steer the outputs of such models to satisfy human desiderata after they have been trained. But in rapidly evolving…

Machine Learning · Computer Science 2025-08-08 Younwoo Choi , Muhammad Adil Asif , Ziwen Han , John Willes , Rahul G. Krishnan

In long context scenarios, large language models (LLMs) face three main challenges: higher computational cost, performance reduction, and position bias. Research indicates that LLM performance hinges on the density and position of key…

Computation and Language · Computer Science 2024-08-13 Huiqiang Jiang , Qianhui Wu , Xufang Luo , Dongsheng Li , Chin-Yew Lin , Yuqing Yang , Lili Qiu

Large Language Models (LLMs) have demonstrated exceptional performance across various tasks, with pre-training stage serving as the cornerstone of their capabilities. However, the conventional fixed-length data composition strategy for…

Computation and Language · Computer Science 2025-06-30 Qing Yang , Qiyao Peng , Hongtao Liu , Kai Liu , Bing Qin , Ting Liu

Time series data is fundamental to decision-making across many domains including healthcare, finance, power systems, and logistics. However, analyzing this data correctly often requires incorporating unstructured contextual information,…

Machine Learning · Computer Science 2026-03-17 Felix Parker , Nimeesha Chan , Chi Zhang , Kimia Ghobadi

We study continued training and supervised fine-tuning (SFT) of a language model (LM) to make effective use of long-context information. We first establish a reliable evaluation protocol to guide model development -- instead of perplexity…

Computation and Language · Computer Science 2025-12-04 Tianyu Gao , Alexander Wettig , Howard Yen , Danqi Chen

We introduce context augmentation, a data-augmentation approach that uses large language models (LLMs) to generate contexts around observed strings as a means of facilitating valid frequentist inference. These generated contexts serve to…

Methodology · Statistics 2025-07-01 Marc Ratkovic

With context windows of millions of tokens, Long-Context Language Models (LCLMs) can encode entire document collections, offering a strong alternative to conventional retrieval-augmented generation (RAG). However, it remains unclear whether…

Computation and Language · Computer Science 2026-01-27 Francesco Maria Molfese , Momchil Hardalov , Rexhina Blloshmi , Bill Byrne , Adrià de Gispert

Recent studies have shown that Large Language Models (LLMs) struggle to accurately retrieve information and maintain reasoning capabilities when processing long-context inputs. To address these limitations, we propose a finetuning approach…

Machine Learning · Computer Science 2024-10-15 Zheyang Xiong , Vasilis Papageorgiou , Kangwook Lee , Dimitris Papailiopoulos