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Masked language models like BERT can perform text classification in a zero-shot fashion by reformulating downstream tasks as text infilling. However, this approach is highly sensitive to the template used to prompt the model, yet…

计算与语言 · 计算机科学 2022-10-27 Mozes van de Kar , Mengzhou Xia , Danqi Chen , Mikel Artetxe

While developments in machine learning led to impressive performance gains on big data, many human subjects data are, in actuality, small and sparsely labeled. Existing methods applied to such data often do not easily generalize to…

机器学习 · 计算机科学 2023-04-04 Julie Jiang , Kristina Lerman , Emilio Ferrara

Extracting hyper-relations is crucial for constructing comprehensive knowledge graphs, but there are limited supervised methods available for this task. To address this gap, we introduce a zero-shot prompt-based method using OpenAI's…

计算与语言 · 计算机科学 2024-03-19 Preetha Datta , Fedor Vitiugin , Anastasiia Chizhikova , Nitin Sawhney

Automatic relation extraction (RE) for types of interest is of great importance for interpreting massive text corpora in an efficient manner. Traditional RE models have heavily relied on human-annotated corpus for training, which can be…

计算与语言 · 计算机科学 2017-11-27 Zeqiu Wu , Xiang Ren , Frank F. Xu , Ji Li , Jiawei Han

Manual annotation of the labeled data for relation extraction is time-consuming and labor-intensive. Semi-supervised methods can offer helping hands for this problem and have aroused great research interests. Existing work focuses on…

计算与语言 · 计算机科学 2020-10-23 Wanli Li , Tieyun Qian

Unsupervised relation extraction (URE) extracts relations between named entities from raw text without manually-labelled data and existing knowledge bases (KBs). URE methods can be categorised into generative and discriminative approaches,…

计算与语言 · 计算机科学 2020-05-04 Thy Thy Tran , Phong Le , Sophia Ananiadou

Zero-shot learning (ZSL) methods have been studied in the unrealistic setting where test data are assumed to come from unseen classes only. In this paper, we advocate studying the problem of generalized zero-shot learning (GZSL) where the…

计算机视觉与模式识别 · 计算机科学 2017-01-12 Wei-Lun Chao , Soravit Changpinyo , Boqing Gong , Fei Sha

The newly emerged transformer technology has a tremendous impact on NLP research. In the general English domain, transformer-based models have achieved state-of-the-art performances on various NLP benchmarks. In the clinical domain,…

计算与语言 · 计算机科学 2021-08-17 Xi Yang , Zehao Yu , Yi Guo , Jiang Bian , Yonghui Wu

We propose the new problem of choosing which dense retrieval model to use when searching on a new collection for which no labels are available, i.e. in a zero-shot setting. Many dense retrieval models are readily available. Each model…

信息检索 · 计算机科学 2023-09-19 Ekaterina Khramtsova , Shengyao Zhuang , Mahsa Baktashmotlagh , Xi Wang , Guido Zuccon

Zero-shot Learners are models capable of predicting unseen classes. In this work, we propose a Zero-shot Learning approach for text categorization. Our method involves training model on a large corpus of sentences to learn the relationship…

计算与语言 · 计算机科学 2017-12-27 Pushpankar Kumar Pushp , Muktabh Mayank Srivastava

We demonstrate, theoretically and empirically, that adversarial robustness can significantly benefit from semisupervised learning. Theoretically, we revisit the simple Gaussian model of Schmidt et al. that shows a sample complexity gap…

机器学习 · 统计学 2022-01-14 Yair Carmon , Aditi Raghunathan , Ludwig Schmidt , Percy Liang , John C. Duchi

While multilingual pretrained language models (LMs) fine-tuned on a single language have shown substantial cross-lingual task transfer capabilities, there is still a wide performance gap in semantic parsing tasks when target language…

计算与语言 · 计算机科学 2021-09-10 Massimo Nicosia , Zhongdi Qu , Yasemin Altun

Relation extraction (RE) aims at extracting the relation between two entities from the text corpora. It is a crucial task for Knowledge Graph (KG) construction. Most existing methods predict the relation between an entity pair by learning…

计算与语言 · 计算机科学 2020-11-30 Jun Kuang , Yixin Cao , Jianbing Zheng , Xiangnan He , Ming Gao , Aoying Zhou

Relation extraction (RE) consists in categorizing the relationship between entities in a sentence. A recent paradigm to develop relation extractors is Distant Supervision (DS), which allows the automatic creation of new datasets by taking…

计算与语言 · 计算机科学 2020-10-20 Johny Moreira , Chaina Oliveira , David Macêdo , Cleber Zanchettin , Luciano Barbosa

Relation Extraction (RE) from tables is the task of identifying relations between pairs of columns of a table. Generally, RE models for this task require labelled tables for training. These labelled tables can also be generated artificially…

计算与语言 · 计算机科学 2021-09-07 Gaurav Singh , Siffi Singh , Joshua Wong , Amir Saffari

In zero-shot multilingual extractive text summarization, a model is typically trained on English summarization dataset and then applied on summarization datasets of other languages. Given English gold summaries and documents, sentence-level…

计算与语言 · 计算机科学 2022-05-02 Ruipeng Jia , Xingxing Zhang , Yanan Cao , Shi Wang , Zheng Lin , Furu Wei

Temporal relation extraction (TRE) is a fundamental task in natural language processing (NLP) that involves identifying the temporal relationships between events in a document. Despite the advances in large language models (LLMs), their…

计算与语言 · 计算机科学 2025-09-23 Alon Eirew , Kfir Bar , Ido Dagan

Existing continual relation learning (CRL) methods rely on plenty of labeled training data for learning a new task, which can be hard to acquire in real scenario as getting large and representative labeled data is often expensive and…

计算与语言 · 计算机科学 2022-03-07 Chengwei Qin , Shafiq Joty

Traditional text classification approaches often require a good amount of labeled data, which is difficult to obtain, especially in restricted domains or less widespread languages. This lack of labeled data has led to the rise of…

The task of zero-shot learning (ZSL) requires correctly predicting the label of samples from classes which were unseen at training time. This is achieved by leveraging side information about class labels, such as label attributes or word…

计算机视觉与模式识别 · 计算机科学 2020-10-23 Colin Samplawski , Jannik Wolff , Tassilo Klein , Moin Nabi
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