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Recommender systems are essential for delivering personalized content across digital platforms by modeling user preferences and behaviors. Recently, large language models (LLMs) have been adopted for prompt-based recommendation due to their…

信息检索 · 计算机科学 2025-05-28 Md Aminul Islam , Ahmed Sayeed Faruk

Controlling the output of Large Language Models (LLMs) through context-sensitive constraints has emerged as a promising approach to overcome the limitations of Context-Free Grammars (CFGs) in guaranteeing generation validity. However, such…

计算与语言 · 计算机科学 2026-04-14 Mohammad Albinhassan , Pranava Madhyastha , Mark Law , Alessandra Russo

Large Language Models (LLMs) often exhibit substantially shorter effective context lengths than their claimed capacities, especially when handling complex reasoning tasks that require integrating information from multiple parts of a long…

计算与语言 · 计算机科学 2025-03-14 Yuwei Zhang , Jayanth Srinivasa , Gaowen Liu , Jingbo Shang

Large Language Models (LLMs) have shown remarkable capabilities in language understanding and generation. Nonetheless, it was also witnessed that LLMs tend to produce inaccurate responses to specific queries. This deficiency can be traced…

计算与语言 · 计算机科学 2025-05-16 Dixuan Wang , Yanda Li , Junyuan Jiang , Zepeng Ding , Ziqin Luo , Guochao Jiang , Jiaqing Liang , Deqing Yang

In modern commercial systems, including Recommendation, Ranking, and E-Commerce platforms, there is a trend towards improving customer experiences by incorporating Personalization context as input into Large Language Models (LLMs). However,…

计算与语言 · 计算机科学 2024-09-23 Jiarui Zhang

Conversational Recommender Systems (CRSs) aim to provide personalized recommendations by capturing user preferences through interactive dialogues. Explainability in CRSs is crucial as it enables users to understand the reasoning behind…

计算与语言 · 计算机科学 2025-10-03 Zhangchi Qiu , Linhao Luo , Shirui Pan , Alan Wee-Chung Liew

Large Language Models (LLMs) excel at producing broadly relevant text, but this generality becomes a limitation when user-specific preferences are required, such as recommending restaurants or planning travel. In these scenarios, users…

Recommender systems (RS) have become essential tools for helping users efficiently navigate the overwhelming amount of information on e-commerce and social platforms. However, traditional RS relying on Collaborative Filtering (CF) struggles…

信息检索 · 计算机科学 2025-02-27 Mingdai Yang , Zhiwei Liu , Liangwei Yang , Xiaolong Liu , Chen Wang , Hao Peng , Philip S. Yu

Although large language models (LLMs) have demonstrated remarkable performance, the lack of transparency in their inference logic raises concerns about their trustworthiness. To gain a better understanding of LLMs, we conduct a detailed…

计算与语言 · 计算机科学 2024-07-26 Jie Ren , Qipeng Guo , Hang Yan , Dongrui Liu , Quanshi Zhang , Xipeng Qiu , Dahua Lin

In the realm of Text-Based Person Search (TBPS), mainstream methods aim to explore more efficient interaction frameworks between text descriptions and visual data. However, recent approaches encounter two principal challenges. Firstly, the…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Lei Tan , Weihao Li , Pingyang Dai , Jie Chen , Liujuan Cao , Rongrong Ji

Large Language Models (LLMs) have become powerful foundations for generative recommender systems, framing recommendation tasks as text generation tasks. However, existing generative recommendation methods often rely on discrete ID-based…

信息检索 · 计算机科学 2026-03-24 Jerome Ramos , Bin Wu , Aldo Lipani

Large language models (LLMs) are increasingly being used as decision aids. However, users have diverse values and preferences that can affect their decision-making, which requires novel methods for LLM alignment and personalization.…

Generative recommendation systems, driven by large language models (LLMs), present an innovative approach to predicting user preferences by modeling items as token sequences and generating recommendations in a generative manner. A critical…

Large Language Models (LLMs) have demonstrated remarkable generalization capabilities, but aligning their outputs with human preferences typically requires expensive supervised fine-tuning. Recent test-time methods leverage textual feedback…

计算与语言 · 计算机科学 2025-12-15 Shibing Mo , Haoyang Ruan , Kai Wu , Jing Liu

The increasing demand for personalized interactions with large language models (LLMs) calls for methodologies capable of accurately and efficiently identifying user opinions and preferences. Retrieval augmentation emerges as an effective…

计算与语言 · 计算机科学 2025-02-04 Chenkai Sun , Ke Yang , Revanth Gangi Reddy , Yi R. Fung , Hou Pong Chan , Kevin Small , ChengXiang Zhai , Heng Ji

This paper explores the impact of context selection on the efficiency of Large Language Models (LLMs) in generating Artificial Intelligence (AI) research leaderboards, a task defined as the extraction of (Task, Dataset, Metric, Score)…

计算与语言 · 计算机科学 2024-07-03 Salomon Kabongo , Jennifer D'Souza , Sören Auer

Although applications involving long-context inputs are crucial for the effective utilization of large language models (LLMs), they also result in increased computational costs and reduced performance. To address this challenge, we propose…

计算与语言 · 计算机科学 2025-02-06 Weizhi Fei , Xueyan Niu , Guoqing Xie , Yingqing Liu , Bo Bai , Wei Han

We present Attentive Reasoning Queries (ARQs), a novel structured reasoning approach that significantly improves instruction-following in Large Language Models through domain-specialized reasoning blueprints. While LLMs demonstrate…

计算与语言 · 计算机科学 2025-03-06 Bar Karov , Dor Zohar , Yam Marcovitz

Context compression is an advanced technique that accelerates large language model (LLM) inference by converting long inputs into compact representations. Existing methods primarily rely on autoencoding tasks to train special compression…

计算与语言 · 计算机科学 2026-03-12 Xin Liu , Runsong Zhao , Pengcheng Huang , Xinyu Liu , Junyi Xiao , Chunyang Xiao , Tong Xiao , Shengxiang Gao , Zhengtao Yu , Jingbo Zhu

Prompt engineering enables Large Language Models (LLMs) to perform a variety of tasks. However, lengthy prompts significantly increase computational complexity and economic costs. To address this issue, we study six prompt compression…

计算与语言 · 计算机科学 2025-05-02 Zheng Zhang , Jinyi Li , Yihuai Lan , Xiang Wang , Hao Wang