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High-quality long-context data is essential for training large language models (LLMs) capable of processing extensive documents, yet existing synthesis approaches using relevance-based aggregation face challenges of computational…

Computation and Language · Computer Science 2025-09-22 Junlong Jia , Xing Wu , Chaochen Gao , Ziyang Chen , Zijia Lin , Zhongzhi Li , Weinong Wang , Haotian Xu , Donghui Jin , Debing Zhang , Binghui Guo

Large language models (LLMs) with extended context windows enable tasks requiring extensive information integration but are limited by the scarcity of high-quality, diverse datasets for long-context instruction tuning. Existing data…

Computation and Language · Computer Science 2025-02-25 Jiaxi Li , Xingxing Zhang , Xun Wang , Xiaolong Huang , Li Dong , Liang Wang , Si-Qing Chen , Wei Lu , Furu Wei

Autoregressive Transformers adopted in Large Language Models (LLMs) are hard to scale to long sequences. Despite several works trying to reduce their computational cost, most of LLMs still adopt attention layers between all pairs of tokens…

Computation and Language · Computer Science 2024-06-03 Sotiris Anagnostidis , Dario Pavllo , Luca Biggio , Lorenzo Noci , Aurelien Lucchi , Thomas Hofmann

Retrieval Augmented Generation (RAG) has emerged as a crucial technique for enhancing the accuracy of Large Language Models (LLMs) by incorporating external information. With the advent of LLMs that support increasingly longer context…

Machine Learning · Computer Science 2024-11-07 Quinn Leng , Jacob Portes , Sam Havens , Matei Zaharia , Michael Carbin

In the continuously advancing AI landscape, crafting context-rich and meaningful responses via Large Language Models (LLMs) is essential. Researchers are becoming more aware of the challenges that LLMs with fewer parameters encounter when…

Computation and Language · Computer Science 2024-10-17 Somnath Banerjee , Amruit Sahoo , Sayan Layek , Avik Dutta , Rima Hazra , Animesh Mukherjee

Long short-term memory(LSTM) units on sequence-based models are being used in translation, question-answering systems, classification tasks due to their capability of learning long-term dependencies. In Natural language generation, LSTM…

Computation and Language · Computer Science 2020-05-04 Sivasurya Santhanam

Large Language Models (LLMs) have garnered widespread attention due to their remarkable performance across various tasks. However, to mitigate the issue of hallucinations, LLMs often incorporate retrieval-augmented pipeline to provide them…

Computation and Language · Computer Science 2024-08-29 Haowen Hou , Fei Ma , Binwen Bai , Xinxin Zhu , Fei Yu

Long-context modeling has drawn more and more attention in the area of Large Language Models (LLMs). Continual training with long-context data becomes the de-facto method to equip LLMs with the ability to process long inputs. However, it…

Computation and Language · Computer Science 2025-10-14 Jianghao Chen , Junhong Wu , Yangyifan Xu , Jiajun Zhang

Large language models (LLMs) have made significant progress in Emotional Intelligence (EI) and long-context modeling. However, existing benchmarks often overlook the fact that emotional information processing unfolds as a continuous…

Computation and Language · Computer Science 2026-01-13 Weichu Liu , Jing Xiong , Yuxuan Hu , Zixuan Li , Minghuan Tan , Ningning Mao , Hui Shen , Wendong Xu , Chaofan Tao , Min Yang , Chengming Li , Lingpeng Kong , Ngai Wong

Retrieval-Augmented Generation (RAG) has become an essential approach for extending the reasoning and knowledge capacity of large language models (LLMs). While prior research has primarily focused on retrieval quality and prompting…

Computation and Language · Computer Science 2025-12-09 Jiamin Chen , Yuchen Li , Xinyu Ma , Xinran Chen , Xiaokun Zhang , Shuaiqiang Wang , Chen Ma , Dawei Yin

Long-context understanding poses significant challenges in natural language processing, particularly for real-world dialogues characterized by speech-based elements, high redundancy, and uneven information density. Although large language…

Computation and Language · Computer Science 2025-04-25 Yongxuan Wu , Runyu Chen , Peiyu Liu , Hongjin Qian

Large language models (LLMs) have received significant attention by achieving remarkable performance across various tasks. However, their fixed context length poses challenges when processing long documents or maintaining extended…

Computation and Language · Computer Science 2023-04-25 Yucheng Li

Large language models often expose their brittleness in reasoning tasks, especially while executing long chains of reasoning over context. We propose MemReasoner, a new and simple memory-augmented LLM architecture, in which the memory…

Computation and Language · Computer Science 2025-03-12 Payel Das , Ching-Yun Ko , Sihui Dai , Georgios Kollias , Subhajit Chaudhury , Aurelie Lozano

In-context learning is a surprising and important phenomenon that emerged when modern language models were scaled to billions of learned parameters. Without modifying a large language model's weights, it can be tuned to perform various…

Computation and Language · Computer Science 2023-03-15 Noam Wies , Yoav Levine , Amnon Shashua

Recent advancements in Large Language Models (LLMs) have yielded remarkable success across diverse fields. However, handling long contexts remains a significant challenge for LLMs due to the quadratic time and space complexity of attention…

Computation and Language · Computer Science 2024-09-02 Weijie Liu , Zecheng Tang , Juntao Li , Kehai Chen , Min Zhang

The context window of large language models (LLMs) has been extended significantly in recent years. However, while the context length that the LLM can process has grown, the capability of the model to accurately reason over that context…

Computation and Language · Computer Science 2024-10-07 Huayang Li , Pat Verga , Priyanka Sen , Bowen Yang , Vijay Viswanathan , Patrick Lewis , Taro Watanabe , Yixuan Su

In this paper, we propose active recap learning (ARL), a framework for enhancing large language model (LLM) in understanding long contexts. ARL enables models to revisit and summarize earlier content through targeted sequence construction…

Computation and Language · Computer Science 2026-01-21 Chenyu Hui

Generating high-quality answers consistently by providing contextual information embedded in the prompt passed to the Large Language Model (LLM) is dependent on the quality of information retrieval. As the corpus of contextual information…

Information Retrieval · Computer Science 2024-08-01 Sai Ganesh , Anupam Purwar , Gautam B

Understanding context is key to understanding human language, an ability which Large Language Models (LLMs) have been increasingly seen to demonstrate to an impressive extent. However, though the evaluation of LLMs encompasses various…

Computation and Language · Computer Science 2024-02-02 Yilun Zhu , Joel Ruben Antony Moniz , Shruti Bhargava , Jiarui Lu , Dhivya Piraviperumal , Site Li , Yuan Zhang , Hong Yu , Bo-Hsiang Tseng

The efficient processing of long context poses a serious challenge for large language models (LLMs). Recently, retrieval-augmented generation (RAG) has emerged as a promising strategy for this problem, as it enables LLMs to make selective…

Computation and Language · Computer Science 2025-02-18 Kun Luo , Zheng Liu , Peitian Zhang , Hongjin Qian , Jun Zhao , Kang Liu