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Data scarcity has been the main factor that hinders the progress of event extraction. To overcome this issue, we propose a Self-Training with Feedback (STF) framework that leverages the large-scale unlabeled data and acquires feedback for…

Computation and Language · Computer Science 2023-08-03 Zhiyang Xu , Jay-Yoon Lee , Lifu Huang

Detecting harmful content on social media, such as Twitter, is made difficult by the fact that the seemingly simple yes/no classification conceals a significant amount of complexity. Unfortunately, while several datasets have been collected…

Computation and Language · Computer Science 2023-11-14 Saad Almohaimeed , Saleh Almohaimeed , Ashfaq Ali Shafin , Bogdan Carbunar , Ladislau Bölöni

State-of-the-art language models are autoregressive and operate on subword units known as tokens. Specifically, one must encode the conditioning string into a list of tokens before passing to the language models for next-token prediction.…

Computation and Language · Computer Science 2024-07-09 Buu Phan , Marton Havasi , Matthew Muckley , Karen Ullrich

Low-resource Relation Extraction (LRE) aims to extract relation facts from limited labeled corpora when human annotation is scarce. Existing works either utilize self-training scheme to generate pseudo labels that will cause the gradual…

Computation and Language · Computer Science 2021-09-15 Xuming Hu , Chenwei Zhang , Yawen Yang , Xiaohe Li , Li Lin , Lijie Wen , Philip S. Yu

The extraction of relevant data from Electronic Health Records (EHRs) is crucial to identifying symptoms and automating epidemiological surveillance processes. By harnessing the vast amount of unstructured text in EHRs, we can detect…

Computation and Language · Computer Science 2025-02-10 Juliano Genari , Guilherme Tegoni Goedert

Unsupervised relation extraction (URE) aims to extract relations between named entities from raw text without requiring manual annotations or pre-existing knowledge bases. In recent studies of URE, researchers put a notable emphasis on…

Computation and Language · Computer Science 2023-12-04 Qing Wang , Kang Zhou , Qiao Qiao , Yuepei Li , Qi Li

Extracting structured information from unstructured data is one of the key challenges in modern information retrieval applications, including e-commerce. Here, we demonstrate how recent advances in machine learning, combined with a recently…

Information Retrieval · Computer Science 2023-02-24 Alexander Flick , Sebastian Jäger , Ivana Trajanovska , Felix Biessmann

Unified opinion role labeling (ORL) aims to detect all possible opinion structures of 'opinion-holder-target' in one shot, given a text. The existing transition-based unified method, unfortunately, is subject to longer opinion terms and…

Computation and Language · Computer Science 2021-12-14 Shengqiong Wu , Hao Fei , Fei Li , Donghong Ji , Meishan Zhang , Yijiang Liu , Chong Teng

The pervasiveness of the Internet and social media have enabled the rapid and anonymous spread of Hate Speech content on microblogging platforms such as Twitter. Current EU and US legislation against hateful language, in conjunction with…

Computation and Language · Computer Science 2021-02-10 Chrysoula Themeli , George Giannakopoulos , Nikiforos Pittaras

Using unlabeled data to regularize the machine learning models has demonstrated promise for improving safety and reliability in detecting out-of-distribution (OOD) data. Harnessing the power of unlabeled in-the-wild data is non-trivial due…

Machine Learning · Computer Science 2024-02-07 Xuefeng Du , Zhen Fang , Ilias Diakonikolas , Yixuan Li

Target Speaker Extraction (TSE) aims to extract the clean speech of the target speaker in an audio mixture, eliminating irrelevant background noise and speech. While prior work has explored various auxiliary cues including pre-recorded…

Sound · Computer Science 2026-04-28 Ziyang Jiang , Jiahe Lei , Xueyan Chen , Yifan Zhang , Zexu Pan , Wei Xue , Xinyuan Qian

The quantification of uncertainty is important for the adoption of machine learning, especially to reject out-of-distribution (OOD) data back to human experts for review. Yet progress has been slow, as a balance must be struck between…

Machine Learning · Computer Science 2022-09-12 Derek Everett , Andre T. Nguyen , Luke E. Richards , Edward Raff

This paper pioneers a novel data-centric paradigm to maximize the utility of unlabeled data, tackling a critical question: How can we enhance the efficiency and sustainability of deep learning training by optimizing the data itself? We…

Machine Learning · Computer Science 2025-10-13 Xinyi Shang , Peng Sun , Fengyuan Liu , Tao Lin

Open-set semi-supervised learning (open-set SSL) investigates a challenging but practical scenario where out-of-distribution (OOD) samples are contained in the unlabeled data. While the mainstream technique seeks to completely filter out…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Junkai Huang , Chaowei Fang , Weikai Chen , Zhenhua Chai , Xiaolin Wei , Pengxu Wei , Liang Lin , Guanbin Li

In this paper, we propose a variational approach to unsupervised sentiment analysis. Instead of using ground truth provided by domain experts, we use target-opinion word pairs as a supervision signal. For example, in a document snippet "the…

Computation and Language · Computer Science 2020-08-24 Ziqian Zeng , Wenxuan Zhou , Xin Liu , Zizheng Lin , Yangqin Song , Michael David Kuo , Wan Hang Keith Chiu

Fine-grained sentiment analysis is receiving increasing attention in recent years. Extracting opinion target expressions (OTE) in reviews is often an important step in fine-grained, aspect-based sentiment analysis. Retrieving this…

Computation and Language · Computer Science 2017-09-20 Soufian Jebbara , Philipp Cimiano

As one of the fundamental tasks in text analysis, phrase mining aims at extracting quality phrases from a text corpus. Phrase mining is important in various tasks such as information extraction/retrieval, taxonomy construction, and topic…

Computation and Language · Computer Science 2017-03-14 Jingbo Shang , Jialu Liu , Meng Jiang , Xiang Ren , Clare R Voss , Jiawei Han

Natural Language Inference (NLI) or Recognizing Textual Entailment (RTE) aims at predicting the relation between a pair of sentences (premise and hypothesis) as entailment, contradiction or semantic independence. Although deep learning…

Computation and Language · Computer Science 2022-11-08 Mobashir Sadat , Cornelia Caragea

With the development of social media, rumors spread quickly, cause great harm to society and economy. Thereby, many effective rumor detection methods have been developed, among which the rumor propagation structure learning based methods…

Social and Information Networks · Computer Science 2025-08-07 Chaoqun Cui , Caiyan Jia

Training deep neural network (DNN) with noisy labels is practically challenging since inaccurate labels severely degrade the generalization ability of DNN. Previous efforts tend to handle part or full data in a unified denoising flow via…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Boshen Zhang , Yuxi Li , Yuanpeng Tu , Jinlong Peng , Yabiao Wang , Cunlin Wu , Yang Xiao , Cairong Zhao