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This paper introduces a novel method for closed information extraction. The method employs a discriminative approach that incorporates type and entity-specific information to improve relation extraction accuracy, particularly benefiting…

计算与语言 · 计算机科学 2025-06-23 Cedric Möller , Ricardo Usbeck

Model inversion (MI) attacks have raised increasing concerns about privacy, which can reconstruct training data from public models. Indeed, MI attacks can be formalized as an optimization problem that seeks private data in a certain space.…

计算机视觉与模式识别 · 计算机科学 2023-02-21 Xiaojian Yuan , Kejiang Chen , Jie Zhang , Weiming Zhang , Nenghai Yu , Yang Zhang

We analyze a reversed-supervision strategy that searches over labelings of a large unlabeled set \(B\) to minimize error on a small labeled set \(A\). The search space is \(2^n\), and the resulting complexity remains exponential even under…

机器学习 · 计算机科学 2025-12-19 Masoud Makrehchi

Scientific Natural Language Inference (NLI) is the task of predicting the semantic relation between a pair of sentences extracted from research articles. The automatic annotation method based on distant supervision for the training set of…

计算与语言 · 计算机科学 2024-06-24 Mobashir Sadat , Cornelia Caragea

Unsupervised person re-identification (ReID) aims at learning discriminative identity features without annotations. Recently, self-supervised contrastive learning has gained increasing attention for its effectiveness in unsupervised…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Hao Chen , Benoit Lagadec , Francois Bremond

Neural network approaches have recently shown to be effective in several information retrieval (IR) tasks. However, neural approaches often require large volumes of training data to perform effectively, which is not always available. To…

信息检索 · 计算机科学 2018-06-14 Hamed Zamani , W. Bruce Croft

Federated reinforcement learning (FRL) enables distributed learning of optimal policies while preserving local data privacy through gradient sharing.However, FRL faces the risk of data privacy leaks, where attackers exploit shared gradients…

机器学习 · 计算机科学 2025-12-02 Shenghong He

Interactive Information Retrieval (IIR) and Reinforcement Learning (RL) share many commonalities, including an agent who learns while interacts, a long-term and complex goal, and an algorithm that explores and adapts. To successfully apply…

信息检索 · 计算机科学 2021-06-10 Limin Chen , Zhiwen Tang , Grace Hui Yang

The traditional evaluation of information retrieval (IR) systems is generally very costly as it requires manual relevance annotation from human experts. Recent advancements in generative artificial intelligence -- specifically large…

信息检索 · 计算机科学 2024-07-03 Harrie Oosterhuis , Rolf Jagerman , Zhen Qin , Xuanhui Wang , Michael Bendersky

GAIL is a recent successful imitation learning architecture that exploits the adversarial training procedure introduced in GANs. Albeit successful at generating behaviours similar to those demonstrated to the agent, GAIL suffers from a high…

机器学习 · 计算机科学 2019-03-11 Lionel Blondé , Alexandros Kalousis

We propose to improve unconditional Generative Adversarial Networks (GAN) by training the self-supervised learning with the adversarial process. In particular, we apply self-supervised learning via the geometric transformation on input…

计算机视觉与模式识别 · 计算机科学 2019-05-15 Ngoc-Trung Tran , Viet-Hung Tran , Ngoc-Bao Nguyen , Ngai-Man Cheung

Developing effective approaches to generate enhanced results that align well with human visual preferences for high-quality well-lit images remains a challenge in low-light image enhancement (LLIE). In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Xiaorui Zhao , Xinyue Zhou , Peibei Cao , Junyu Lou , Shuhang Gu

Low-Light Image Enhancement (LLIE) is crucial for improving both human perception and computer vision tasks. This paper addresses two challenges in zero-reference LLIE: obtaining perceptually 'good' images using the Contrastive…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Yuka Ogino , Takahiro Toizumi , Atsushi Ito

In this paper, we describe the "implicit autoencoder" (IAE), a generative autoencoder in which both the generative path and the recognition path are parametrized by implicit distributions. We use two generative adversarial networks to…

机器学习 · 计算机科学 2019-02-08 Alireza Makhzani

Due to the publicly available thematic maps and crowd-sourced data, remote sensing (RS) image annotations can be gathered at zero cost for training deep neural networks (DNNs). However, such annotation sources may increase the risk of…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Gencer Sumbul , Begüm Demir

Dense retrievers have demonstrated significant potential for neural information retrieval; however, they exhibit a lack of robustness to domain shifts, thereby limiting their efficacy in zero-shot settings across diverse domains. A…

信息检索 · 计算机科学 2025-01-27 Goksenin Yuksel , David Rau , Jaap Kamps

Relation extraction (RE) plays an important role in extracting knowledge from unstructured text but requires a large amount of labeled corpus. To reduce the expensive annotation efforts, semisupervised learning aims to leverage both labeled…

计算与语言 · 计算机科学 2021-03-16 Yusen Lin

Document-level relation extraction (DocRE) aims to extract semantic relations among entity pairs in a document. Typical DocRE methods blindly take the full document as input, while a subset of the sentences in the document, noted as the…

计算与语言 · 计算机科学 2022-03-08 Yiqing Xie , Jiaming Shen , Sha Li , Yuning Mao , Jiawei Han

Named Entity Recognition is the task to locate and classify the entities in the text. However, Unlabeled Entity Problem in NER datasets seriously hinders the improvement of NER performance. This paper proposes SCL-RAI to cope with this…

计算与语言 · 计算机科学 2023-10-25 Shuzheng Si , Shuang Zeng , Jiaxing Lin , Baobao Chang

Symbolic regression (SR) -- which learns symbolic equations to describe the underlying relation from input-output pairs -- is widely used for scientific discovery. However, a rich set of scientific data from the real world (e.g., particle…

符号计算 · 计算机科学 2025-05-07 Kuang Yufei , Wang Jie , Huang Haotong , Ye Mingxuan , Zhu Fangzhou , Li Xijun , Hao Jianye , Wu Feng