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Biological and cellular systems are often modeled as graphs in which vertices represent objects of interest (genes, proteins, drugs) and edges represent relational ties among these objects (binds-to, interacts-with, regulates). This…

机器学习 · 统计学 2017-03-16 Jose Lugo-Martinez , Predrag Radivojac

Hypergraphs (i.e., sets of hyperedges) naturally represent group relations (e.g., researchers co-authoring a paper and ingredients used together in a recipe), each of which corresponds to a hyperedge (i.e., a subset of nodes). Predicting…

机器学习 · 计算机科学 2022-04-19 Hyunjin Hwang , Seungwoo Lee , Chanyoung Park , Kijung Shin

Hierarchical classification aims to sort the object into a hierarchical structure of categories. For example, a bird can be categorized according to a three-level hierarchy of order, family, and species. Existing methods commonly address…

计算机视觉与模式识别 · 计算机科学 2023-11-01 Renzhen Wang , De cai , Kaiwen Xiao , Xixi Jia , Xiao Han , Deyu Meng

Hierarchical classification problems are commonly seen in practice. However, most existing methods do not fully utilize the hierarchical information among class labels. In this paper, a novel label embedding approach is proposed, which…

统计方法学 · 统计学 2020-07-23 Yiwei Fan , Xiaoling Lu , Yufeng Liu , Junlong Zhao

Multi-label classification of chest X-ray images is frequently performed using discriminative approaches, i.e. learning to map an image directly to its binary labels. Such approaches make it challenging to incorporate auxiliary information…

人工智能 · 计算机科学 2021-03-11 Anjany Sekuboyina , Daniel Oñoro-Rubio , Jens Kleesiek , Brandon Malone

Extreme Multi-label Text Classification (XMC) involves learning a classifier that can assign an input with a subset of most relevant labels from millions of label choices. Recent works in this domain have increasingly focused on a symmetric…

机器学习 · 计算机科学 2024-05-09 Siddhant Kharbanda , Devaansh Gupta , Erik Schultheis , Atmadeep Banerjee , Cho-Jui Hsieh , Rohit Babbar

In this work, we propose a novel supervised contrastive loss that enables the integration of taxonomic hierarchy information during the representation learning process. A supervised contrastive loss operates by enforcing that images with…

计算机视觉与模式识别 · 计算机科学 2024-06-12 Kiran Kokilepersaud , Yavuz Yarici , Mohit Prabhushankar , Ghassan AlRegib

Many state-of-the-art noisy-label learning methods rely on learning mechanisms that estimate the samples' clean labels during training and discard their original noisy labels. However, this approach prevents the learning of the relationship…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Brandon Smart , Gustavo Carneiro

Modern graph or network datasets often contain rich structure that goes beyond simple pairwise connections between nodes. This calls for complex representations that can capture, for instance, edges of different types as well as so-called…

社会与信息网络 · 计算机科学 2020-02-19 Ilya Amburg , Nate Veldt , Austin R. Benson

We investigate probabilistic decoupling of labels supplied for training, from the underlying classes for prediction. Decoupling enables an inference scheme general enough to implement many classification problems, including supervised,…

机器学习 · 计算机科学 2019-05-30 Jeppe Nørregaard , Lars Kai Hansen

Attribute recognition is a crucial but challenging task due to viewpoint changes, illumination variations and appearance diversities, etc. Most of previous work only consider the attribute-level feature embedding, which might perform poorly…

计算机视觉与模式识别 · 计算机科学 2020-05-26 Jie Yang , Jiarou Fan , Yiru Wang , Yige Wang , Weihao Gan , Lin Liu , Wei Wu

The way we communicate and work has changed significantly with the rise of the Internet. While it has opened up new opportunities, it has also brought about an increase in cyber threats. One common and serious threat is phishing, where…

密码学与安全 · 计算机科学 2024-07-11 Furkan Çolhak , Mert İlhan Ecevit , Bilal Emir Uçar , Reiner Creutzburg , Hasan Dağ

Reasoning about images/objects and their hierarchical interactions is a key concept for the next generation of computer vision approaches. Here we present a new framework to deal with it through a visual hierarchical context-based…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Pedro H. Bugatti , Priscila T. M. Saito , Larry S. Davis

Pedestrian attribute inference is a demanding problem in visual surveillance that can facilitate person retrieval, search and indexing. To exploit semantic relations between attributes, recent research treats it as a multi-label image…

计算机视觉与模式识别 · 计算机科学 2017-07-20 M. Saquib Sarfraz , Arne Schumann , Yan Wang , Rainer Stiefelhagen

Recently, deep supervised hashing methods have become popular for large-scale image retrieval task. To preserve the semantic similarity notion between examples, they typically utilize the pairwise supervision or the triplet supervised…

计算机视觉与模式识别 · 计算机科学 2019-01-14 Lei Ma , Hongliang Li , Qingbo Wu , Fanman Meng , King Ngi Ngan

To advance the development of science and technology, research proposals are submitted to open-court competitive programs developed by government agencies (e.g., NSF). Proposal classification is one of the most important tasks to achieve…

机器学习 · 计算机科学 2022-09-20 Meng Xiao , Ziyue Qiao , Yanjie Fu , Yi Du , Pengyang Wang

The focus of this paper is on the evaluation of sixteen labeling methods for hierarchical document clusters over five datasets. All of the methods are independent from clustering algorithms, applied subsequently to the dendrogram…

信息检索 · 计算机科学 2018-05-28 Maria Fernanda Moura , Fabiano Fernandes dos Santos , Solange Oliveira Rezende

Extreme multi-label learning (XML) or classification has been a practical and important problem since the boom of big data. The main challenge lies in the exponential label space which involves $2^L$ possible label sets especially when the…

机器学习 · 计算机科学 2018-06-11 Wenjie Zhang , Junchi Yan , Xiangfeng Wang , Hongyuan Zha

Recent joint multiple intent detection and slot filling models employ label embeddings to achieve the semantics-label interactions. However, they treat all labels and label embeddings as uncorrelated individuals, ignoring the dependencies…

计算与语言 · 计算机科学 2022-11-08 Bowen Xing , Ivor W. Tsang

Hierarchical multi-granularity classification (HMC) assigns hierarchical multi-granularity labels to each object and focuses on encoding the label hierarchy, e.g., ["Albatross", "Laysan Albatross"] from coarse-to-fine levels. However, the…

计算机视觉与模式识别 · 计算机科学 2022-01-12 Jingzhou Chen , Peng Wang , Jian Liu , Yuntao Qian