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Hierarchical text classification, which aims to classify text documents into a given hierarchy, is an important task in many real-world applications. Recently, deep neural models are gaining increasing popularity for text classification due…

Computation and Language · Computer Science 2019-01-01 Yu Meng , Jiaming Shen , Chao Zhang , Jiawei Han

Active learning is an iterative labeling process that is used to obtain a small labeled subset, despite the absence of labeled data, thereby enabling to train a model for supervised tasks such as text classification. While active learning…

Computation and Language · Computer Science 2024-10-07 Christopher Schröder , Gerhard Heyer

Scribble-based weakly supervised semantic segmentation leverages only a few annotated pixels as labels to train a segmentation model, presenting significant potential for reducing the human labor involved in the annotation process. This…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Xinliang Zhang , Lei Zhu , Shuang Zeng , Hangzhou He , Ourui Fu , Zhengjian Yao , Zhaoheng Xie , Yanye Lu

Semi-supervised wrapper methods are concerned with building effective supervised classifiers from partially labeled data. Though previous works have succeeded in some fields, it is still difficult to apply semi-supervised wrapper methods to…

Machine Learning · Computer Science 2016-11-15 Fuqaing Liu , Chenwei Deng , Fukun Bi , Yiding Yang

We propose a semi-supervised text classifier based on self-training using one positive and one negative property of neural networks. One of the weaknesses of self-training is the semantic drift problem, where noisy pseudo-labels accumulate…

Computation and Language · Computer Science 2024-01-02 Payam Karisani

In this work, we present a dual learning approach for unsupervised text to path and path to text transfers in Commonsense Knowledge Bases (KBs). We investigate the impact of weak supervision by creating a weakly supervised dataset and show…

Computation and Language · Computer Science 2020-10-29 Pierre L. Dognin , Igor Melnyk , Inkit Padhi , Cicero Nogueira dos Santos , Payel Das

Compositional vector space models of meaning promise new solutions to stubborn language understanding problems. This paper makes two contributions toward this end: (i) it uses automatically-extracted paraphrase examples as a source of…

Computation and Language · Computer Science 2018-02-01 Avneesh Saluja , Chris Dyer , Jean-David Ruvini

We propose a framework to improve performance of distantly-supervised relation extraction, by jointly learning to solve two related tasks: concept-instance extraction and relation extraction. We combine this with a novel use of document…

Computation and Language · Computer Science 2016-08-12 Lidong Bing , Bhuwan Dhingra , Kathryn Mazaitis , Jong Hyuk Park , William W. Cohen

We propose a new method for projective dependency parsing based on headed spans. In a projective dependency tree, the largest subtree rooted at each word covers a contiguous sequence (i.e., a span) in the surface order. We call such a span…

Computation and Language · Computer Science 2022-03-10 Songlin Yang , Kewei Tu

Text spotting end-to-end methods have recently gained attention in the literature due to the benefits of jointly optimizing the text detection and recognition components. Existing methods usually have a distinct separation between the…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Yair Kittenplon , Inbal Lavi , Sharon Fogel , Yarin Bar , R. Manmatha , Pietro Perona

Deep segmentation neural networks require large training datasets with pixel-wise segmentations, which are expensive to obtain in practice. Mixed supervision could mitigate this difficulty, with a small fraction of the data containing…

Computer Vision and Pattern Recognition · Computer Science 2020-12-16 Jose Dolz , Christian Desrosiers , Ismail Ben Ayed

One daunting problem for semantic parsing is the scarcity of annotation. Aiming to reduce nontrivial human labor, we propose a two-stage semantic parsing framework, where the first stage utilizes an unsupervised paraphrase model to convert…

Computation and Language · Computer Science 2020-12-23 Ruisheng Cao , Su Zhu , Chenyu Yang , Chen Liu , Rao Ma , Yanbin Zhao , Lu Chen , Kai Yu

The long-term goal of machine learning is to learn general visual representations from a small amount of data without supervision, mimicking three advantages of human cognition: i) no need for labels, ii) robustness to data scarcity, and…

Machine Learning · Computer Science 2023-08-29 Jingyao Wang , Zeen Song , Wenwen Qiang , Changwen Zheng

Speaker identification in the household scenario (e.g., for smart speakers) is typically based on only a few enrollment utterances but a much larger set of unlabeled data, suggesting semisupervised learning to improve speaker profiles. We…

Sound · Computer Science 2022-02-22 Long Chen , Venkatesh Ravichandran , Andreas Stolcke

We propose two fast neural combinatory models for constituency parsing: binary and multi-branching. Our models decompose the bottom-up parsing process into 1) classification of tags, labels, and binary orientations or chunks and 2) vector…

Computation and Language · Computer Science 2021-06-15 Zhousi Chen , Longtu Zhang , Aizhan Imankulova , Mamoru Komachi

Self-supervised learning is a promising unsupervised learning framework that has achieved success with large floating point networks. But such networks are not readily deployable to edge devices. To accelerate deployment of models with the…

Machine Learning · Computer Science 2022-03-30 Dahyun Kim , Jonghyun Choi

Unsupervised classification methods learn a discriminative classifier from unlabeled data, which has been proven to be an effective way of simultaneously clustering the data and training a classifier from the data. Various unsupervised…

Machine Learning · Computer Science 2013-05-23 Yingzhen Yang , Thomas S. Huang

Distributed representations of words which map each word to a continuous vector have proven useful in capturing important linguistic information not only in a single language but also across different languages. Current unsupervised…

Computation and Language · Computer Science 2019-04-23 Haozhou Wang , James Henderson , Paola Merlo

One challenge with neural ranking is the need for a large amount of manually-labeled relevance judgments for training. In contrast with prior work, we examine the use of weak supervision sources for training that yield pseudo query-document…

Information Retrieval · Computer Science 2019-07-08 Sean MacAvaney , Andrew Yates , Kai Hui , Ophir Frieder

Label-free reinforcement learning enables large language models to improve reasoning capabilities without ground-truth supervision, typically by treating majority-voted answers as pseudo-labels. However, we identify a critical failure mode:…

Computation and Language · Computer Science 2026-03-24 Teng Pan , Yuchen Yan , Zixuan Wang , Ruiqing Zhang , Guiyang Hou , Wenqi Zhang , Weiming Lu , Jun Xiao , Yongliang Shen