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Relation Extraction (RE) is a pivotal task in automatically extracting structured information from unstructured text. In this paper, we present a multi-faceted approach that integrates representative examples and through co-set expansion.…

Computation and Language · Computer Science 2023-08-24 Yerong Li , Roxana Girju

A number of labeling systems based on text have been proposed to help monitor work on the United Nations (UN) Sustainable Development Goals (SDGs). Here, we present a systematic comparison of systems using a variety of text sources and show…

Computation and Language · Computer Science 2023-02-02 Dirk U. Wulff , Dominik S. Meier , Rui Mata

Food instance segmentation is essential to estimate the serving size of dishes in a food image. The recent cutting-edge techniques for instance segmentation are deep learning networks with impressive segmentation quality and fast…

Computer Vision and Pattern Recognition · Computer Science 2023-06-29 Huu-Thanh Nguyen , Yu Cao , Chong-Wah Ngo , Wing-Kwong Chan

The study of label noise in sound event recognition has recently gained attention with the advent of larger and noisier datasets. This work addresses the problem of missing labels, one of the big weaknesses of large audio datasets, and one…

Deep metric learning algorithms have been utilized to learn discriminative and generalizable models which are effective for classifying unseen classes. In this paper, a novel noise tolerant deep metric learning algorithm is proposed. The…

Machine Learning · Computer Science 2019-04-09 Soumyadeep Ghosh , Richa Singh , Mayank Vatsa

In this paper, we introduce PDE-LEARN, a novel deep learning algorithm that can identify governing partial differential equations (PDEs) directly from noisy, limited measurements of a physical system of interest. PDE-LEARN uses a Rational…

Machine Learning · Computer Science 2023-02-13 Robert Stephany , Christopher Earls

The growing scale of datasets in deep learning has introduced significant computational challenges. Dataset pruning addresses this challenge by constructing a compact but informative coreset from the full dataset with comparable…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Furui Xu , Shaobo Wang , Jiajun Zhang , Chenghao Sun , Haixiang Tang , Linfeng Zhang

Traditional semi-supervised learning uses only labeled instances to train a classifier and then this classifier is utilized to classify unlabeled instances, while sometimes there are only positive instances which are elements of the target…

Machine Learning · Computer Science 2019-03-28 TingTing Li , WeiYa Fan , YunSong Luo

In this paper, we explore how to efficiently combine crowdsourcing and machine intelligence for the problem of document screening, where we need to screen documents with a set of machine-learning filters. Specifically, we focus on building…

Information Retrieval · Computer Science 2020-12-07 Evgeny Krivosheev , Burcu Sayin , Alessandro Bozzon , Zoltán Szlávik

The probability density function (PDF) associated with a given set of samples is approximated by a piecewise-linear polynomial constructed with respect to a binning of the sample space. The kernel functions are a compactly supported basis…

Numerical Analysis · Mathematics 2020-08-04 Giacomo Capodaglio , Max Gunzburger

In this paper, we consider the task of retrieving documents with predefined topics from an unlabeled document dataset using an unsupervised approach. The proposed unsupervised approach requires only a small number of keywords describing the…

Computation and Language · Computer Science 2022-10-13 Tim Schopf , Daniel Braun , Florian Matthes

Classification with positive and unlabeled (PU) data frequently arises in bioinformatics, clinical data, and ecological studies, where collecting negative samples can be prohibitively expensive. While prior works on PU data focus on binary…

Methodology · Statistics 2023-04-20 Lili Zheng , Garvesh Raskutti

Existing deep active learning algorithms achieve impressive sampling efficiency on natural language processing tasks. However, they exhibit several weaknesses in practice, including (a) inability to use uncertainty sampling with black-box…

Computation and Language · Computer Science 2020-07-22 Haw-Shiuan Chang , Shankar Vembu , Sunil Mohan , Rheeya Uppaal , Andrew McCallum

Extracting information from unstructured text documents is a demanding task, since these documents can have a broad variety of different layouts and a non-trivial reading order, like it is the case for multi-column documents or nested…

Artificial Intelligence · Computer Science 2022-02-08 Matthias Engelbach , Dennis Klau , Jens Drawehn , Maximilien Kintz

Entity set expansion, aiming at expanding a small seed entity set with new entities belonging to the same semantic class, is a critical task that benefits many downstream NLP and IR applications, such as question answering, query…

Computation and Language · Computer Science 2020-07-01 Yunyi Zhang , Jiaming Shen , Jingbo Shang , Jiawei Han

Query Expansion (QE) enriches queries and Document Expansion (DE) enriches documents, and these two techniques are often applied separately. However, such separate application may lead to semantic misalignment between the expanded queries…

Information Retrieval · Computer Science 2025-12-22 Yu Yang , Feng Tian , Ping Chen

Expanding existing learning systems to provide high-quality customized models for more domains, such as new users, is challenged by the limited labeled data and the data and device heterogeneities. While knowledge distillation methods could…

Artificial Intelligence · Computer Science 2025-02-10 Gaole Dai , Huatao Xu , Yifan Yang , Rui Tan , Mo Li

Effective image deblurring typically relies on large and fully paired datasets of blurred and corresponding sharp images. However, obtaining such accurately aligned data in the real world poses a number of difficulties, limiting the…

Image and Video Processing · Electrical Eng. & Systems 2025-10-21 Alok Panigrahi , Jayaprakash Katual , Satish Mulleti

We propose a novel end-to-end curriculum learning approach for sparsely labelled animal datasets leveraging large volumes of unlabelled data to improve supervised species detectors. We exemplify the method in detail on the task of finding…

Computer Vision and Pattern Recognition · Computer Science 2023-01-03 Xinyu Yang , Tilo Burghardt , Majid Mirmehdi

Neural sentence embedding models for dense retrieval typically rely on binary relevance labels, treating query-document pairs as either relevant or irrelevant. However, real-world relevance often exists on a continuum, and recent advances…

Information Retrieval · Computer Science 2025-08-12 Christos Tsirigotis , Vaibhav Adlakha , Joao Monteiro , Aaron Courville , Perouz Taslakian