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Graph retrieval-augmented generation (GraphRAG) has effectively enhanced large language models in complex reasoning by organizing fragmented knowledge into explicitly structured graphs. Prior efforts have been made to improve either graph…

信息检索 · 计算机科学 2025-09-04 Junnan Dong , Siyu An , Yifei Yu , Qian-Wen Zhang , Linhao Luo , Xiao Huang , Yunsheng Wu , Di Yin , Xing Sun

Feature augmentation from one-to-many relationship tables is a critical but challenging problem in ML model development. To augment good features, data scientists need to come up with SQL queries manually, which is time-consuming.…

机器学习 · 计算机科学 2024-03-12 Danrui Qi , Weiling Zheng , Jiannan Wang

Increased availability of electronic health records (EHR) has enabled researchers to study various medical questions. Cohort selection for the hypothesis under investigation is one of the main consideration for EHR analysis. For uncommon…

机器学习 · 计算机科学 2020-05-14 Mohamed Ghalwash , Zijun Yao , Prithwish Chakrabotry , James Codella , Daby Sow

The customization of recommended content to users holds significant importance in enhancing user experiences across a wide spectrum of applications such as e-commerce, music, and shopping. Graph-based methods have achieved considerable…

信息检索 · 计算机科学 2023-12-05 Narges Sadat Fazeli Dehkordi , Hadi Zare , Parham Moradi , Mahdi Jalili

Collaborative Object Detection (COD) and collaborative perception can integrate data or features from various entities, and improve object detection accuracy compared with individual perception. However, adversarial attacks pose a potential…

计算机视觉与模式识别 · 计算机科学 2025-02-05 Huiqun Huang , Cong Chen , Jean-Philippe Monteuuis , Jonathan Petit , Fei Miao

Retrieval-Augmented Generation (RAG) is a prevalent approach to infuse a private knowledge base of documents with Large Language Models (LLM) to build Generative Q\&A (Question-Answering) systems. However, RAG accuracy becomes increasingly…

信息检索 · 计算机科学 2025-03-10 Kunal Sawarkar , Abhilasha Mangal , Shivam Raj Solanki

Camouflaged object detection (COD) aims to detect/segment camouflaged objects embedded in the environment, which has attracted increasing attention over the past decades. Although several COD methods have been developed, they still suffer…

计算机视觉与模式识别 · 计算机科学 2022-12-05 Tao Zhou , Yi Zhou , Chen Gong , Jian Yang , Yu Zhang

This paper introduces Ali-AUG, a novel single-step diffusion model for efficient labeled data augmentation in industrial applications. Our method addresses the challenge of limited labeled data by generating synthetic, labeled images with…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Ali Hamza , Aizea Lojo , Adrian Núñez-Marcos , Aitziber Atutxa

The rise of digital payments has accelerated the need for intelligent and scalable systems to detect fraud. This research presents an end-to-end, feature-rich machine learning framework for detecting credit card transaction anomalies and…

Personalized health analytics increasingly rely on population benchmarks to provide contextual insights such as ''How do I compare to others like me?'' However, cohort-based aggregation of health data introduces nontrivial privacy risks,…

密码学与安全 · 计算机科学 2026-01-21 Richik Chakraborty , Lawrence Liu , Syed Hasnain

Recently, a number of competitive methods have tackled unsupervised representation learning by maximising the mutual information between the representations produced from augmentations. The resulting representations are then invariant to…

计算机视觉与模式识别 · 计算机科学 2020-03-20 Luke Nicholas Darlow , Amos Storkey

Vertical Federated Learning (VFL) is a machine learning paradigm for learning from vertically partitioned data (i.e. features for each input are distributed across multiple "guest" clients and an aggregating "host" server owns labels)…

机器学习 · 计算机科学 2024-06-27 Avi Amalanshu , Viswesh Nagaswamy , G. V. S. S. Prudhvi , Yash Sirvi , Debashish Chakravarty

Federated learning algorithms are developed both for efficiency reasons and to ensure the privacy and confidentiality of personal and business data, respectively. Despite no data being shared explicitly, recent studies showed that the…

机器学习 · 计算机科学 2023-05-26 Balázs Pejó , Gergely Biczók

Clustering aims to group similar objects together while separating dissimilar ones apart. Thereafter, structures hidden in data can be identified to help understand data in an unsupervised manner. Traditional clustering methods such as…

计算机视觉与模式识别 · 计算机科学 2023-06-23 Jiawei Yao , Enbei Liu , Maham Rashid , Juhua Hu

Disinformation has long been regarded as a severe social problem, where fake news is one of the most representative issues. What is worse, today's highly developed social media makes fake news widely spread at incredible speed, bringing in…

社会与信息网络 · 计算机科学 2021-02-01 Hao Liao , Qixin Liu , Kai Shu , Xing xie

Retrieval-Augmented Generation (RAG) is an advanced technique designed to address the challenges of Artificial Intelligence-Generated Content (AIGC). By integrating context retrieval into content generation, RAG provides reliable and…

Reporting bias arises when people assume that some knowledge is universally understood and hence, do not necessitate explicit elaboration. In this paper, we focus on the wide existence of reporting bias in visual-language datasets, embodied…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Qiyu Wu , Mengjie Zhao , Yutong He , Lang Huang , Junya Ono , Hiromi Wakaki , Yuki Mitsufuji

Federated sequential recommendation distributes model training across user devices so that behavioural data remains local, reducing privacy risks. Yet, this setting introduces two intertwined difficulties. On the one hand, individual…

信息检索 · 计算机科学 2026-03-02 Minh Hieu Nguyen

Corporate fraud detection aims to automatically recognize companies that conduct wrongful activities such as fraudulent financial statements or illegal insider trading. Previous learning-based methods fail to effectively integrate rich…

机器学习 · 计算机科学 2025-06-02 Shiqi Wang , Zhibo Zhang , Libing Fang , Cam-Tu Nguyen , Wenzhong Li

Extending state-of-the-art object detectors from image to video is challenging. The accuracy of detection suffers from degenerated object appearances in videos, e.g., motion blur, video defocus, rare poses, etc. Existing work attempts to…

计算机视觉与模式识别 · 计算机科学 2017-08-21 Xizhou Zhu , Yujie Wang , Jifeng Dai , Lu Yuan , Yichen Wei