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Few-shot relation extraction (FSRE) aims at recognizing unseen relations by learning with merely a handful of annotated instances. To generalize to new relations more effectively, this paper proposes a novel pipeline for the FSRE task based…

计算与语言 · 计算机科学 2022-11-09 Yuzhe Zhang , Min Cen , Tongzhou Wu , Hong Zhang

The Zero-Shot Learning (ZSL) task pertains to the identification of entities or relations in texts that were not seen during training. ZSL has emerged as a critical research area due to the scarcity of labeled data in specific domains, and…

In relation triplet extraction (RTE), recognizing unseen relations for which there are no training instances is a challenging task. Efforts have been made to recognize unseen relations based on question-answering models or relation…

计算与语言 · 计算机科学 2024-03-04 Jiaying Gong , Hoda Eldardiry

Knowledge graphs (KGs), containing many entity-relation-entity triples, provide rich information for downstream applications. Although extracting triples from unstructured texts has been widely explored, most of them require a large number…

计算与语言 · 计算机科学 2023-06-26 Chengmei Yang , Shuai Jiang , Bowei He , Chen Ma , Lianghua He

Relation extraction (RE) is the core NLP task of inferring semantic relationships between entities from text. Standard supervised RE techniques entail training modules to tag tokens comprising entity spans and then predict the relationship…

计算与语言 · 计算机科学 2024-07-17 Somin Wadhwa , Silvio Amir , Byron C. Wallace

Relation extraction (RE), which has relied on structurally annotated corpora for model training, has been particularly challenging in low-resource scenarios and domains. Recent literature has tackled low-resource RE by self-supervised…

计算与语言 · 计算机科学 2023-06-01 Wenxuan Zhou , Sheng Zhang , Tristan Naumann , Muhao Chen , Hoifung Poon

We present a large-scale empirical investigation of the zero-shot learning phenomena in a specific recognizing textual entailment (RTE) task category, i.e. the automated mining of leaderboards for Empirical AI Research. The prior reported…

计算与语言 · 计算机科学 2023-03-30 Salomon Kabongo , Jennifer D'Souza , Sören Auer

Few-shot Continual Relation Extraction is a crucial challenge for enabling AI systems to identify and adapt to evolving relationships in dynamic real-world domains. Traditional memory-based approaches often overfit to limited samples,…

计算与语言 · 计算机科学 2025-03-03 Nguyen Xuan Thanh , Anh Duc Le , Quyen Tran , Thanh-Thien Le , Linh Ngo Van , Thien Huu Nguyen

Real-world Relation Extraction (RE) tasks are challenging to deal with, either due to limited training data or class imbalance issues. In this work, we present Data Augmented Relation Extraction(DARE), a simple method to augment training…

计算与语言 · 计算机科学 2020-04-30 Yannis Papanikolaou , Andrea Pierleoni

Commonsense question answering (CQA) aims to test if models can answer questions regarding commonsense knowledge that everyone knows. Prior works that incorporate external knowledge bases have shown promising results, but knowledge bases…

计算与语言 · 计算机科学 2022-01-04 Zi-Yi Dou , Nanyun Peng

Collecting training images for all visual categories is not only expensive but also impractical. Zero-shot learning (ZSL), especially using attributes, offers a pragmatic solution to this problem. However, at test time most attribute-based…

计算机视觉与模式识别 · 计算机科学 2016-10-18 Ziad Al-Halah , Makarand Tapaswi , Rainer Stiefelhagen

Relation extraction (RE) is one of the most important tasks in information extraction, as it provides essential information for many NLP applications. In this paper, we propose a cross-lingual RE approach that does not require any human…

计算与语言 · 计算机科学 2020-10-20 Jian Ni , Taesun Moon , Parul Awasthy , Radu Florian

Real-world data, such as news articles, social media posts, and chatbot conversations, is inherently dynamic and non-stationary, presenting significant challenges for constructing real-time structured representations through knowledge…

计算与语言 · 计算机科学 2025-08-26 Sefika Efeoglu , Adrian Paschke , Sonja Schimmler

Few-shot relation extraction aims to recognize novel relations with few labeled sentences in each relation. Previous metric-based few-shot relation extraction algorithms identify relationships by comparing the prototypes generated by the…

计算与语言 · 计算机科学 2023-05-12 Zhongju Yuan , Zhenkun Wang , Genghui Li

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.…

计算与语言 · 计算机科学 2023-08-24 Yerong Li , Roxana Girju

The superior performance of supervised classification methods in the information extraction (IE) area heavily relies on a large amount of gold standard data. Recent zero-shot classification methods converted the task to other NLP tasks…

计算与语言 · 计算机科学 2024-03-07 Jianwei Wang , Tianyin Wang , Ziqian Zeng

Relation extraction (RE) aims to extract relations from sentences and documents. Existing relation extraction models typically rely on supervised machine learning. However, recent studies showed that many RE datasets are incompletely…

计算与语言 · 计算机科学 2023-06-19 Qingyu Tan , Lu Xu , Lidong Bing , Hwee Tou Ng

This paper investigates the reference-less evaluation of machine translation for low-resource language pairs, known as quality estimation (QE). Segment-level QE is a challenging cross-lingual language understanding task that provides a…

计算与语言 · 计算机科学 2025-01-09 Archchana Sindhujan , Diptesh Kanojia , Constantin Orasan , Shenbin Qian

We equip a smaller Language Model to generalise to answering challenging compositional questions that have not been seen in training. To do so we propose a combination of multitask supervised pretraining on up to 93 tasks designed to…

计算与语言 · 计算机科学 2023-08-22 Tim Hartill , Neset Tan , Michael Witbrock , Patricia J. Riddle

How to identify semantic relations among entities in a document when only a few labeled documents are available? Few-shot document-level relation extraction (FSDLRE) is crucial for addressing the pervasive data scarcity problem in…

计算与语言 · 计算机科学 2023-10-25 Shiao Meng , Xuming Hu , Aiwei Liu , Shu'ang Li , Fukun Ma , Yawen Yang , Lijie Wen