中文
相关论文

相关论文: Dealing with negative samples with multi-task lear…

200 篇论文

Emotion recognition (ER) is an important task in Natural Language Processing (NLP), due to its high impact in real-world applications from health and well-being to author profiling, consumer analysis and security. Current approaches to ER,…

计算与语言 · 计算机科学 2021-01-26 Hassan Alhuzali , Sophia Ananiadou

Recent work has highlighted the advantage of jointly learning grounded sentence representations from multiple languages. However, the data used in these studies has been limited to an aligned scenario: the same images annotated with…

计算与语言 · 计算机科学 2019-11-12 Ákos Kádár , Grzegorz Chrupała , Afra Alishahi , Desmond Elliott

Document-level Relation Extraction (DocRE) involves identifying relations between entities across multiple sentences in a document. Evidence sentences, crucial for precise entity pair relationships identification, enhance focus on essential…

计算与语言 · 计算机科学 2025-04-10 Khai Phan Tran , Xue Li

When faced with learning a set of inter-related tasks from a limited amount of usable data, learning each task independently may lead to poor generalization performance. Multi-Task Learning (MTL) exploits the latent relations between tasks…

机器学习 · 计算机科学 2015-08-14 Niloofar Yousefi , Michael Georgiopoulos , Georgios C. Anagnostopoulos

The automatic characterization of pedestrians in surveillance footage is a tough challenge, particularly when the data is extremely diverse with cluttered backgrounds, and subjects are captured from varying distances, under multiple poses,…

计算机视觉与模式识别 · 计算机科学 2020-04-03 Ehsan Yaghoubi , Diana Borza , João Neves , Aruna Kumar , Hugo Proença

Deep learning solutions of the salient object detection problem have achieved great results in recent years. The majority of these models are based on encoders and decoders, with a different multi-feature combination. In this paper, we show…

计算机视觉与模式识别 · 计算机科学 2021-10-25 Hazarapet Tunanyan

This paper introduces a deep learning model tailored for document information analysis, emphasizing document classification, entity relation extraction, and document visual question answering. The proposed model leverages transformer-based…

计算机视觉与模式识别 · 计算机科学 2023-10-26 Tofik Ali , Partha Pratim Roy

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…

计算与语言 · 计算机科学 2016-08-12 Lidong Bing , Bhuwan Dhingra , Kathryn Mazaitis , Jong Hyuk Park , William W. Cohen

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…

计算与语言 · 计算机科学 2023-12-04 Qing Wang , Kang Zhou , Qiao Qiao , Yuepei Li , Qi Li

Document-level event extraction is a long-standing challenging information retrieval problem involving a sequence of sub-tasks: entity extraction, event type judgment, and event type-specific multi-event extraction. However, addressing the…

计算与语言 · 计算机科学 2023-07-03 Qizhi Wan , Changxuan Wan , Keli Xiao , Hui Xiong , Dexi Liu , Xiping Liu

Relation Extraction (RE) is a crucial task in Information Extraction, which entails predicting relationships between entities within a given sentence. However, extending pre-trained RE models to other languages is challenging, particularly…

计算与语言 · 计算机科学 2023-04-21 Chiaming Hsu , Changtong Zan , Liang Ding , Longyue Wang , Xiaoting Wang , Weifeng Liu , Fu Lin , Wenbin Hu

Document-level relation extraction faces two overlooked challenges: long-tail problem and multi-label problem. Previous work focuses mainly on obtaining better contextual representations for entity pairs, hardly address the above…

计算与语言 · 计算机科学 2022-12-21 Ridong Han , Tao Peng , Benyou Wang , Lu Liu , Xiang Wan

We study and quantify the generalization patterns of multitask learning (MTL) models for sequence labeling tasks. MTL models are trained to optimize a set of related tasks jointly. Although multitask learning has achieved improved…

机器学习 · 计算机科学 2020-09-29 Gabriele Bettgenhäuser , Michael A. Hedderich , Dietrich Klakow

Multitask learning often helps improve the performance of related tasks as these often have inter-dependence on each other and perform better when solved in a joint framework. In this paper, we present a deep multitask learning framework…

计算与语言 · 计算机科学 2022-01-17 Ranjan Satapathy , Shweta Pardeshi , Erik Cambria

Relation Extraction is an important task in Information Extraction which deals with identifying semantic relations between entity mentions. Traditionally, relation extraction is carried out after entity extraction in a "pipeline" fashion,…

计算与语言 · 计算机科学 2021-03-11 Sachin Pawar , Pushpak Bhattacharyya , Girish K. Palshikar

While relation extraction is an essential task in knowledge acquisition and representation, and new-generated relations are common in the real world, less effort is made to predict unseen relations that cannot be observed at the training…

计算与语言 · 计算机科学 2021-04-13 Chih-Yao Chen , Cheng-Te Li

In recent years, Internet users are reporting Adverse Drug Events (ADE) on social media, blogs and health forums. Because of the large volume of reports, pharmacovigilance is seeking to resort to NLP to monitor these outlets. We propose for…

计算与语言 · 计算机科学 2021-05-20 Beatrice Portelli , Daniele Passabì , Edoardo Lenzi , Giuseppe Serra , Enrico Santus , Emmanuele Chersoni

The increment of toxic comments on online space is causing tremendous effects on other vulnerable users. For this reason, considerable efforts are made to deal with this, and SemEval-2021 Task 5: Toxic Spans Detection is one of those. This…

计算与语言 · 计算机科学 2021-04-16 Phu Gia Hoang , Luan Thanh Nguyen , Kiet Van Nguyen

In many scenarios, named entity recognition (NER) models severely suffer from unlabeled entity problem, where the entities of a sentence may not be fully annotated. Through empirical studies performed on synthetic datasets, we find two…

计算与语言 · 计算机科学 2021-03-19 Yangming Li , Lemao Liu , Shuming Shi

Few-shot named entity recognition (NER) aims to recognize novel named entities in low-resource domains utilizing existing knowledge. However, the present few-shot NER models assume that the labeled data are all clean without noise or…

计算与语言 · 计算机科学 2023-12-14 Xiaojun Xue , Chunxia Zhang , Tianxiang Xu , Zhendong Niu