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With the rapid evolution of Large Language Models (LLMs), generative recommendation is gradually reshaping the paradigm of recommender systems. However, most existing methods remain confined to the interaction-driven next-item prediction…

Information Retrieval · Computer Science 2026-04-21 Yang Yu , Lei Kou , Huaikuan Yi , Bin Chen , Yayu Cao , Lei Shen , Chao Zhang , Bing Wang , Xiaoyi Zeng

Agentic AI (AAI), which extends Large Language Models with enhanced reasoning capabilities, has emerged as a promising paradigm for autonomous edge service scheduling. However, user mobility creates highly dynamic service demands in edge…

Networking and Internet Architecture · Computer Science 2026-01-21 Yan Sun , Yinqiu Liu , Shaoyong Guo , Ruichen Zhang , Feng Qi , Xuesong Qiu , Weifeng Gong , Dusit Niyato , Qihui Wu

We present Information Gain Fine-Tuning (IGFT), a novel approach for training medical conversational AI to conduct effective patient interviews and generate comprehensive History of Present Illness (HPI) without requiring pre-collected…

Artificial Intelligence · Computer Science 2026-01-27 Tanvi Verma , Yang Zhou , Rick Siow Mong Goh , Yong Liu

In this work, we investigate proactive Hybrid Automatic Repeat reQuest (HARQ) using link-level simulations for multiple packet sizes, modulation orders, BLock Error Rate (BLER) targets and two delay budgets of 1 ms and 2 ms, in the context…

Signal Processing · Electrical Eng. & Systems 2022-02-21 Baris Göktepe , Tatiana Rykova , Thomas Fehrenbach , Thomas Schierl , Cornelius Hellge

Generative Recommendation (GR) has emerged as a transformative paradigm that reformulates the traditional cascade ranking system into a sequence-to-item generation task, facilitated by the use of discrete Semantic IDs (SIDs). However,…

Information Retrieval · Computer Science 2026-02-25 Zesheng Wang , Longfei Xu , Weidong Deng , Huimin Yan , Kaikui Liu , Xiangxiang Chu

Conversational search aims to retrieve passages containing essential information to answer queries in a multi-turn conversation. In conversational search, reformulating context-dependent conversational queries into stand-alone forms is…

Information Retrieval · Computer Science 2024-04-09 Yunah Jang , Kang-il Lee , Hyunkyung Bae , Hwanhee Lee , Kyomin Jung

In Taobao e-commerce visual search, user behavior analysis reveals a large proportion of no-click requests, suggesting diverse and implicit user intents. These intents are expressed in various forms and are difficult to mine and discover,…

Information Retrieval · Computer Science 2026-03-05 Yiwen Tang , Qiuyu Zhao , Zenghui Sun , Jinsong Lan , Xiaoyong Zhu , Bo Zheng

Recent deployments of learned query optimizers use expensive neural networks and ad-hoc search policies. To address these issues, we introduce \textsc{LimeQO}, a framework for offline query optimization leveraging low-rank learning to…

Databases · Computer Science 2025-04-10 Zixuan Yi , Yao Tian , Zachary G. Ives , Ryan Marcus

Understanding and modeling buyer intent is a foundational challenge in optimizing search query reformulation within the dynamic landscape of e-commerce search systems. This work introduces a robust data pipeline designed to mine and analyze…

Information Retrieval · Computer Science 2025-07-31 Jayanth Yetukuri , Ishita Khan

Inductive cold-start recommendation remains the "Achilles' Heel" of industrial academic platforms, where thousands of new scholars join daily without historical interaction records. While recent Generative Graph Models (e.g., HiGPT, OFA)…

Information Retrieval · Computer Science 2026-01-07 Zhexiang Li

Modern online platforms are increasingly employing recommendation systems to address information overload and improve user engagement. There is an evolving paradigm in this research field that recommendation network learning occurs both on…

Information Retrieval · Computer Science 2024-12-03 Zheqi Lv , Wenqiao Zhang , Zhengyu Chen , Shengyu Zhang , Kun Kuang

Personalized marketing in financial services requires models that can both predict customer behavior and generate compliant, context-appropriate content. This paper presents a hybrid architecture that integrates classical machine learning…

Machine Learning · Computer Science 2026-03-17 Akhil Chandra Shanivendra

Predicting a user's next search query from recent interaction behaviors is a critical problem in modern e-commerce systems, particularly in scenarios where user intent evolves rapidly. Large Language Models (LLMs) offer strong semantic…

Information Retrieval · Computer Science 2026-05-07 Bin Zhang , Weipeng Huang , Dimin Wang , Jialin Zhu , Yuning Jiang , Zhaode Wang , Chengfei Lv , Jian Wang , Qichao Ma , Li Chen , Junqing Wu , Yipeng Yu

Personalized text-to-image generation lets users fine-tune diffusion models into repositories of concept-specific checkpoints, but serving these repositories efficiently is difficult for two reasons: natural-language requests are often…

Artificial Intelligence · Computer Science 2026-03-25 Qirui Wang , Qi Guo , Yiding Sun , Junkai Yang , Dongxu Zhang , Shanmin Pang , Qing Guo

Query suggestion plays a crucial role in enhancing user experience in e-commerce search systems by providing relevant query recommendations that align with users' initial input. This module helps users navigate towards personalized…

Information Retrieval · Computer Science 2025-06-10 Xian Guo , Ben Chen , Siyuan Wang , Ying Yang , Chenyi Lei , Yuqing Ding , Han Li

Human preferences are diverse and dynamic, shaped by regional, cultural, and social factors. Existing alignment methods like Direct Preference Optimization (DPO) and its variants often default to majority views, overlooking minority…

Computation and Language · Computer Science 2026-01-29 Wenqing Wang , Muhammad Asif Ali , Ali Shoker , Ruohan Yang , Junyang Chen , Ying Sha , Huan Wang

Existing dialogue systems rely on Query Suggestion (QS) to enhance user engagement. Recent efforts typically employ large language models with Click-Through Rate (CTR) model, yet fail in cold-start scenarios due to their heavy reliance on…

Computation and Language · Computer Science 2026-03-25 Qi Sun , Kejun Xiao , Huaipeng Zhao , Tao Luo , Xiaoyi Zeng

Retrieval-augmented generation (RAG) equips large language models (LLMs) with reliable knowledge memory. To strengthen cross-text associations, recent research integrates graphs and hypergraphs into RAG to capture pairwise and multi-entity…

Information Retrieval · Computer Science 2026-02-10 Xingliang Hou , Yuyan Liu , Qi Sun , haoxiu wang , Hao Hu , Shaoyi Du , Zhiqiang Tian

Industrial-scale recommender systems rely on a cascade pipeline in which the retrieval stage must return a high-recall candidate set from billions of items under tight latency. Existing solutions either (i) suffer from limited…

Information Retrieval · Computer Science 2026-04-02 Yijia Sun , Shanshan Huang , Zhiyuan Guan , Qiang Luo , Ruiming Tang , Kun Gai , Guorui Zhou

Building training-ready multi-hop question answering (QA) datasets that truly stress a model's retrieval and reasoning abilities remains highly challenging recently. While there have been a few recent evaluation datasets that capture the…

Artificial Intelligence · Computer Science 2025-11-26 Bingsen Qiu , Zijian Liu , Xiao Liu , Bingjie Wang , Feier Zhang , Yixuan Qin , Chunyan Li , Haoshen Yang , Zeren Gao