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A variety of real-world tasks involve the classification of images into pre-determined categories. Designing image classification algorithms that exhibit robustness to acquisition noise and image distortions, particularly when the available…

机器学习 · 统计学 2016-03-10 Umamahesh Srinivas

Many modern multiclass and multilabel problems are characterized by increasingly large output spaces. For these problems, label embeddings have been shown to be a useful primitive that can improve computational and statistical efficiency.…

机器学习 · 计算机科学 2015-07-07 Paul Mineiro , Nikos Karampatziakis

We generalize a sampling algorithm for lattice animals (connected clusters on a regular lattice) to a Monte Carlo algorithm for `graph animals', i.e. connected subgraphs in arbitrary networks. As with the algorithm in [N. Kashtan et al.,…

分子网络 · 定量生物学 2009-11-13 Kim Baskerville , Peter Grassberger , Maya Paczuski

Semi-supervised learning approaches have emerged as an active area of research to combat the challenge of obtaining large amounts of annotated data. Towards the goal of improving the performance of semi-supervised learning methods, we…

计算机视觉与模式识别 · 计算机科学 2021-12-22 Ashima Garg , Shaurya Bagga , Yashvardhan Singh , Saket Anand

Hierarchical classification is significant for complex tasks by providing multi-granular predictions and encouraging better mistakes. As the label structure decides its performance, many existing approaches attempt to construct an excellent…

计算机视觉与模式识别 · 计算机科学 2021-07-05 Xiaoni Li , Yucan Zhou , Yu Zhou , Weiping Wang

As modern complex neural networks keep breaking records and solving harder problems, their predictions also become less and less intelligible. The current lack of interpretability often undermines the deployment of accurate machine learning…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Jacopo Teneggi , Alexandre Luster , Jeremias Sulam

CRF has been used as a powerful model for statistical sequence labeling. For neural sequence labeling, however, BiLSTM-CRF does not always lead to better results compared with BiLSTM-softmax local classification. This can be because the…

计算与语言 · 计算机科学 2019-11-11 Leyang Cui , Yue Zhang

Hashing is one of the most popular and powerful approximate nearest neighbor search techniques for large-scale image retrieval. Most traditional hashing methods first represent images as off-the-shelf visual features and then produce…

计算机视觉与模式识别 · 计算机科学 2016-12-13 Xiaofang Wang , Yi Shi , Kris M. Kitani

Cross-domain NER is a practical yet challenging problem since the data scarcity in the real-world scenario. A common practice is first to learn a NER model in a rich-resource general domain and then adapt the model to specific domains. Due…

计算与语言 · 计算机科学 2024-08-09 Junhao Zheng , Haibin Chen , Qianli Ma

Can models generalize attribute knowledge across semantically and perceptually dissimilar categories? While prior work has addressed attribute prediction within narrow taxonomic or visually similar domains, it remains unclear whether…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Liviu Nicolae Fircă , Antonio Bărbălau , Dan Oneata , Elena Burceanu

Diagnosing and cleaning data is a crucial step for building robust machine learning systems. However, identifying problems within large-scale datasets with real-world distributions is challenging due to the presence of complex issues such…

机器学习 · 计算机科学 2023-10-31 Jang-Hyun Kim , Sangdoo Yun , Hyun Oh Song

Label propagation is a powerful and flexible semi-supervised learning technique on graphs. Neural networks, on the other hand, have proven track records in many supervised learning tasks. In this work, we propose a training framework with a…

机器学习 · 计算机科学 2017-03-16 Thang D. Bui , Sujith Ravi , Vivek Ramavajjala

The task of classifying X-ray data is a problem of both theoretical and clinical interest. Whilst supervised deep learning methods rely upon huge amounts of labelled data, the critical problem of achieving a good classification accuracy…

Solving classification with graph methods has gained huge popularity in recent years. This is due to the fact that the data can be intuitively modeled with graphs to utilize high level features to aid in solving the classification problem.…

机器学习 · 计算机科学 2020-11-12 Seyed Amin Fadaee , Maryam Amir Haeri

A large number of applications such as querying sensor networks, and analyzing protein-protein interaction (PPI) networks, rely on mining uncertain graph and hypergraph databases. In this work we study the following problem: given an…

数据结构与算法 · 计算机科学 2018-01-11 Charalampos E. Tsourakakis , Shreyas Sekar , Johnson Lam , Liu Yang

We investigate the generalizability of learned binary relations: functions that map pairs of instances to a logical indicator. This problem has application in numerous areas of machine learning, such as ranking, entity resolution and link…

机器学习 · 计算机科学 2013-06-04 Ben London , Bert Huang , Lise Getoor

Most datasets used for supervised machine learning consist of a single label per data point. However, in cases where more information than just the class label is available, would it be possible to train models more efficiently? We…

机器学习 · 计算机科学 2024-08-15 Tobias A. Opsahl , Vegard Antun

Existing entity typing systems usually exploit the type hierarchy provided by knowledge base (KB) schema to model label correlations and thus improve the overall performance. Such techniques, however, are not directly applicable to more…

计算与语言 · 计算机科学 2019-03-08 Wenhan Xiong , Jiawei Wu , Deren Lei , Mo Yu , Shiyu Chang , Xiaoxiao Guo , William Yang Wang

We introduce the "Incremental Implicitly-Refined Classi-fication (IIRC)" setup, an extension to the class incremental learning setup where the incoming batches of classes have two granularity levels. i.e., each sample could have a…

计算机视觉与模式识别 · 计算机科学 2021-01-13 Mohamed Abdelsalam , Mojtaba Faramarzi , Shagun Sodhani , Sarath Chandar

Recently, graph (network) data is an emerging research area in artificial intelligence, machine learning and statistics. In this work, we are interested in whether node's labels (people's responses) are affected by their neighbor's features…

统计方法学 · 统计学 2022-10-12 Haixiang Zhang , Yingjun Deng , Alan J. X. Guo , Qing-Hu Hou , Ou Wu