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Large language models (LLMs) have been widely used for various tasks and applications. However, LLMs and fine-tuning are limited to the pre-trained data. For example, ChatGPT's world knowledge until 2021 can be outdated or inaccurate. To…

Computation and Language · Computer Science 2025-04-24 Ahsan Bilal , Beiyu Lin

AI Memory, specifically how models organizes and retrieves historical messages, becomes increasingly valuable to Large Language Models (LLMs), yet existing methods (RAG and Graph-RAG) primarily retrieve memory through similarity-based…

Computation and Language · Computer Science 2026-04-13 Zihao Tang , Xin Yu , Ziyu Xiao , Zengxuan Wen , Zelin Li , Jiaxi Zhou , Hualei Wang , Haohua Wang , Haizhen Huang , Weiwei Deng , Feng Sun , Qi Zhang

Retrieval and recommendation are two essential tasks in modern search tools. This paper introduces a novel retrieval-reranking framework leveraging Large Language Models (LLMs) to enhance the spatiotemporal and semantic associated mining…

Information Retrieval · Computer Science 2024-11-21 Yuanyuan Tian , Wenwen Li , Lei Hu , Xiao Chen , Michael Brook , Michael Brubaker , Fan Zhang , Anna K. Liljedahl

Modern approaches to enhancing Large Language Models' factual accuracy and knowledge utilization face a fundamental trade-off: non-parametric retrieval-augmented generation (RAG) provides flexible access to external knowledge but suffers…

Computation and Language · Computer Science 2026-03-02 Rubin Wei , Jiaqi Cao , Jiarui Wang , Jushi Kai , Qipeng Guo , Bowen Zhou , Zhouhan Lin

User retention is a critical objective for online platforms like Pinterest, as it strengthens user loyalty and drives growth through repeated engagement. A key indicator of retention is revisitation, i.e., when users return to view…

Information Retrieval · Computer Science 2025-11-25 Weijie Jiang , Armando Ordorica , Jaewon Yang , Olafur Gudmundsson , Yucheng Tu , Huizhong Duan

Large Language Models face significant challenges in maintaining coherent interactions over extended dialogues due to their limited contextual memory. This limitation often leads to fragmented exchanges and reduced relevance in responses,…

Machine Learning · Computer Science 2025-06-24 Haseeb Ullah Khan Shinwari , Muhammad Usama

Large Language Models (LLMs) deployed on edge devices learn through fine-tuning and updating a certain portion of their parameters. Although such learning methods can be optimized to reduce resource utilization, the overall required…

Machine Learning · Computer Science 2024-05-09 Ruiyang Qin , Zheyu Yan , Dewen Zeng , Zhenge Jia , Dancheng Liu , Jianbo Liu , Zhi Zheng , Ningyuan Cao , Kai Ni , Jinjun Xiong , Yiyu Shi

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

Recent advances in Session-based recommender systems have gained attention due to their potential of providing real-time personalized recommendations with high recall, especially when compared to traditional methods like matrix…

Information Retrieval · Computer Science 2019-08-23 José Antonio Sánchez Rodríguez , Jui-Chieh Wu , Mustafa Khandwawala

Conversational AI systems often struggle with maintaining coherent, contextual memory across extended interactions, limiting their ability to provide personalized and contextually relevant responses. This paper presents IMDMR (Intelligent…

Information Retrieval · Computer Science 2025-11-11 Tejas Pawar , Sarika Patil , Om Tilekar , Rushikesh Janwade , Vaibhav Helambe

Knowledge Tracing (KT) models students' evolving knowledge states to predict future performance, serving as a foundation for personalized education. While traditional deep learning models achieve high accuracy, they often lack…

Computation and Language · Computer Science 2026-03-25 Runze Li , Kedi Chen , Guwei Feng , Mo Yu , Jun Wang , Wei Zhang

Large language models have become a powerful method for feature augmentation in recommendation systems. However, existing approaches relying on quick inference often suffer from incomplete feature coverage and insufficient specificity in…

Information Retrieval · Computer Science 2025-02-25 Weihao Liu , Zhaocheng Du , Haiyuan Zhao , Wenbo Zhang , Xiaoyan Zhao , Gang Wang , Zhenhua Dong , Jun Xu

In enterprise settings, efficiently retrieving relevant information from large and complex knowledge bases is essential for operational productivity and informed decision-making. This research presents a systematic empirical framework for…

Large language model (LLM)-powered multi-agent systems (MAS) demonstrate remarkable collective intelligence, wherein multi-agent memory serves as a pivotal mechanism for continual adaptation. However, existing multi-agent memory designs…

Computation and Language · Computer Science 2026-03-10 Muxin Fu , Xiangyuan Xue , Yafu Li , Zefeng He , Siyuan Huang , Xiaoye Qu , Yu Cheng , Yang Yang

Developing the capacity to effectively search for requisite datasets is an urgent requirement to assist data users in identifying relevant datasets considering the very limited available metadata. For this challenge, the utilization of…

Information Retrieval · Computer Science 2024-10-08 Teruaki Hayashi , Hiroki Sakaji , Jiayi Dai , Randy Goebel

The rise of Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) has rapidly increased the need for high-quality, curated information retrieval datasets. These datasets, however, are currently created with off-the-shelf…

Information Retrieval · Computer Science 2026-02-05 Sameh Khattab , Marie Bauer , Lukas Heine , Till Rostalski , Jens Kleesiek , Julian Friedrich

Video Moment Retrieval (MR) aims to localize moments within a video based on a given natural language query. Given the prevalent use of platforms like YouTube for information retrieval, the demand for MR techniques is significantly growing.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Seojeong Park , Jiho Choi , Kyungjune Baek , Hyunjung Shim

While many advanced LLMs are designed to handle long sequence data, we can still observe notable quality degradation even within the sequence limit. In this work, we introduce a novel approach called Scaling to Emphasize Attention for…

Computation and Language · Computer Science 2025-06-24 Changhun Lee , Minsang Seok , Jun-gyu Jin , Younghyun Cho , Eunhyeok Park

Transformers face a quadratic bottleneck in attention when scaling to long contexts. Recent approaches introduce recurrent memory to extend context beyond the current window, yet these often face a fundamental trade-off between theoretical…

Machine Learning · Computer Science 2026-02-13 Yunchong Song , Jushi Kai , Liming Lu , Kaixi Qiu , Zhouhan Lin

Although LLM agents can leverage tools for complex tasks, they still need memory to maintain cross-turn consistency and accumulate reusable information in long-horizon interactions. However, retrieval-based external memory systems incur low…

Artificial Intelligence · Computer Science 2026-04-23 Jiaquan Zhang , Chaoning Zhang , Shuxu Chen , Zhenzhen Huang , Pengcheng Zheng , Zhicheng Wang , Ping Guo , Fan Mo , Sung-Ho Bae , Jie Zou , Jiwei Wei , Yang Yang