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Traditional enterprises face significant challenges in processing business documents, where tasks like extracting transport references from invoices remain largely manual despite their crucial role in logistics operations. While Large…

Computation and Language · Computer Science 2024-12-23 Jiale Liu , Yifan Zeng , Malte Højmark-Bertelsen , Marie Normann Gadeberg , Huazheng Wang , Qingyun Wu

Configuring LLM-based agent systems involves choosing workflows, tools, token budgets, and prompts from a large combinatorial design space, and is typically handled today by fixed templates or hand-tuned heuristics that apply the same…

Artificial Intelligence · Computer Science 2026-05-22 Aditya Taparia , Som Sagar , Ransalu Senanayake

Agentic RAG is a powerful technique for incorporating external information that LLMs lack, enabling better problem solving and question answering. However, suboptimal search behaviors exist widely, such as over-search (retrieving…

Computation and Language · Computer Science 2026-04-14 Peilin Wu , Mian Zhang , Kun Wan , Wentian Zhao , Kaiyu He , Xinya Du , Zhiyu Chen

The emerging meta- and multi-verse landscape is yet another step towards the more prevalent use of already ubiquitous online markets. In such markets, recommender systems play critical roles by offering items of interest to the users,…

Information Retrieval · Computer Science 2022-09-28 Ehsan Gholami , Mohammad Motamedi , Ashwin Aravindakshan

Conversational recommender systems (CRSs) aim to capture user preferences and provide personalized recommendations through multi-round natural language dialogues. However, most existing CRS models mainly focus on dialogue comprehension and…

Information Retrieval · Computer Science 2024-07-09 Yunjia Xi , Weiwen Liu , Jianghao Lin , Bo Chen , Ruiming Tang , Weinan Zhang , Yong Yu

LLM-based agents have been extensively applied across various domains, where memory stands out as one of their most essential capabilities. Previous memory mechanisms of LLM-based agents are manually predefined by human experts, leading to…

Machine Learning · Computer Science 2025-08-26 Zeyu Zhang , Quanyu Dai , Rui Li , Xiaohe Bo , Xu Chen , Zhenhua Dong

Sequential Recommendation System~(SRS) has become pivotal in modern society, which predicts subsequent actions based on the user's historical behavior. However, traditional collaborative filtering-based sequential recommendation models…

Information Retrieval · Computer Science 2025-11-26 Tianjie Dai , Xu Chen , Yunmeng Shu , Jinsong Lan , Xiaoyong Zhu , Jiangchao Yao , Bo Zheng

Augmented Reality (AR) systems are increasingly integrating foundation models, such as Multimodal Large Language Models (MLLMs), to provide more context-aware and adaptive user experiences. This integration has led to the development of AR…

Artificial Intelligence · Computer Science 2025-08-13 Dongwook Choi , Taeyoon Kwon , Dongil Yang , Hyojun Kim , Jinyoung Yeo

Large Reasoning Language Models (LRLMs or LRMs) demonstrate remarkable capabilities in complex reasoning tasks, but suffer from significant computational inefficiencies due to overthinking phenomena. Existing efficient reasoning methods…

Artificial Intelligence · Computer Science 2025-10-13 Dongqi Zheng

As a paradigm that delves into the deep seated drivers of user behavior, motivation-based recommendation systems have emerged as a prominent research direction in the field of personalized information retrieval. Unlike traditional…

Information Retrieval · Computer Science 2026-03-16 Yicheng Di

Inspired by the insights in cognitive science with respect to human memory and reasoning mechanism, a novel evolvable LLM-based (Large Language Model) agent framework is proposed as REMEMBERER. By equipping the LLM with a long-term…

Computation and Language · Computer Science 2023-10-31 Danyang Zhang , Lu Chen , Situo Zhang , Hongshen Xu , Zihan Zhao , Kai Yu

Large language model-empowered agentic recommender systems (ARS) reformulate recommendation as a multi-turn interaction between a recommender agent and a user agent, enabling iterative preference elicitation and refinement beyond…

Information Retrieval · Computer Science 2026-04-21 Zongwei Wang , Min Gao , Hongzhi Yin , Junliang Yu , Tong Chen , Quoc Viet Hung Nguyen , Shazia Sadiq , Tianrui Li

Collaborative information from user-item interactions is a fundamental source of signal in successful recommender systems. Recently, researchers have attempted to incorporate this knowledge into large language model-based recommender…

Information Retrieval · Computer Science 2026-03-24 Shahrooz Pouryousef , Ali Montazeralghaem

Large-scale industrial recommenders typically use a fixed multi-stage pipeline (recall, ranking, re-ranking) and have progressed from collaborative filtering to deep and large pre-trained models. However, both multi-stage and so-called One…

Information Retrieval · Computer Science 2026-04-10 Jinxin Hu , Hao Deng , Lingyu Mu , Hao Zhang , Shizhun Wang , Yu Zhang , Xiaoyi Zeng

Multi-agent AI systems powered by large language models (LLMs) are increasingly applied to solve complex tasks. However, these systems often rely on fragile, manually designed prompts and heuristics, making optimization difficult. A key…

Artificial Intelligence · Computer Science 2025-02-10 Wanjia Zhao , Mert Yuksekgonul , Shirley Wu , James Zou

Agentic memory systems enable large language model (LLM) agents to maintain state across long interactions, supporting long-horizon reasoning and personalization beyond fixed context windows. Despite rapid architectural development, the…

Computation and Language · Computer Science 2026-05-21 Dongming Jiang , Yi Li , Songtao Wei , Jinxin Yang , Ayushi Kishore , Alysa Zhao , Dingyi Kang , Xu Hu , Feng Chen , Qiannan Li , Bingzhe Li

Rubric-based reward shaping provides interpretable and editable reward signals for fine-tuning LLMs via reinforcement learning (RL), but existing adaptive rubric methods typically update criteria from local evidence such as the current…

Machine Learning · Computer Science 2026-05-27 Peilin Wu , Xinlu Zhang , Kun Wan , Wentian Zhao , Gang Wu , Xinya Du , Zhiyu Chen

Recommendation systems (RecSys) suggest items to users by predicting their preferences based on historical data. Typical RecSys handle large embedding tables and many embedding table related operations. The memory size and bandwidth of the…

Hardware Architecture · Computer Science 2022-02-22 Mengyuan Li , Ann Franchesca Laguna , Dayane Reis , Xunzhao Yin , Michael Niemier , Xiaobo Sharon Hu

Foundation models have revolutionized artificial intelligence, yet their application in recommender systems remains limited by reasoning opacity and knowledge constraints. This paper introduces AgenticRAG, a novel framework that combines…

Information Retrieval · Computer Science 2025-10-06 Bo Ma , Hang Li , ZeHua Hu , XiaoFan Gui , LuYao Liu , Simon Liu

Although automated metrics are commonly used to evaluate NLG systems, they often correlate poorly with human judgements. Newer metrics such as BERTScore have addressed many weaknesses in prior metrics such as BLEU and ROUGE, which rely on…

Computation and Language · Computer Science 2021-08-20 Ruibo Liu , Jason Wei , Soroush Vosoughi