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Representation learning is a critical ingredient for natural language processing systems. Recent Transformer language models like BERT learn powerful textual representations, but these models are targeted towards token- and sentence-level…

计算与语言 · 计算机科学 2020-05-21 Arman Cohan , Sergey Feldman , Iz Beltagy , Doug Downey , Daniel S. Weld

Recently, neural networks based on multi-task learning have achieved promising performance on fake news detection, which focus on learning shared features among tasks as complementary features to serve different tasks. However, in most of…

计算与语言 · 计算机科学 2019-09-05 Lianwei Wu , Yuan Rao , Haolin Jin , Ambreen Nazir , Ling Sun

We study the problem of incorporating prior knowledge into a deep Transformer-based model,i.e.,Bidirectional Encoder Representations from Transformers (BERT), to enhance its performance on semantic textual matching tasks. By probing and…

计算与语言 · 计算机科学 2021-02-23 Tingyu Xia , Yue Wang , Yuan Tian , Yi Chang

In the context of investigative journalism, we address the problem of automatically identifying which claims in a given document are most worthy and should be prioritized for fact-checking. Despite its importance, this is a relatively…

计算与语言 · 计算机科学 2019-12-18 Pepa Gencheva , Ivan Koychev , Lluís Màrquez , Alberto Barrón-Cedeño , Preslav Nakov

Social networking sites, blogs, and online articles are instant sources of news for internet users globally. However, in the absence of strict regulations mandating the genuineness of every text on social media, it is probable that some of…

计算与语言 · 计算机科学 2022-12-08 Arjun Choudhry , Inder Khatri , Minni Jain , Dinesh Kumar Vishwakarma

Tremendous amounts of multimedia associated with speech information are driving an urgent need to develop efficient and effective automatic summarization methods. To this end, we have seen rapid progress in applying supervised deep neural…

计算与语言 · 计算机科学 2020-06-03 Shi-Yan Weng , Tien-Hong Lo , Berlin Chen

Sentence simplification aims to improve readability and understandability, based on several operations such as splitting, deletion, and paraphrasing. However, a valid simplified sentence should also be logically entailed by its input…

计算与语言 · 计算机科学 2018-06-20 Han Guo , Ramakanth Pasunuru , Mohit Bansal

Question answering from semi-structured tables can be seen as a semantic parsing task and is significant and practical for pushing the boundary of natural language understanding. Existing research mainly focuses on understanding contents…

人工智能 · 计算机科学 2021-06-08 Xiaoyi Ruan , Meizhi Jin , Jian Ma , Haiqin Yang , Lianxin Jiang , Yang Mo , Mengyuan Zhou

Given the recent proliferation of false claims online, there has been a lot of manual fact-checking effort. As this is very time-consuming, human fact-checkers can benefit from tools that can support them and make them more efficient. Here,…

计算与语言 · 计算机科学 2022-11-16 Shaden Shaar , Nikola Georgiev , Firoj Alam , Giovanni Da San Martino , Aisha Mohamed , Preslav Nakov

Fact-checking the truthfulness of claims usually requires reasoning over multiple evidence sentences. Oftentimes, evidence sentences may not be always self-contained, and may require additional contexts and references from elsewhere to…

计算与语言 · 计算机科学 2025-02-17 Delvin Ce Zhang , Dongwon Lee

Fighting misinformation is a challenging, yet crucial, task. Despite the growing number of experts being involved in manual fact-checking, this activity is time-consuming and cannot keep up with the ever-increasing amount of Fake News…

计算与语言 · 计算机科学 2023-08-30 Daniel Russo , Serra Sinem Tekiroglu , Marco Guerini

We propose a multi-task deep-learning approach for estimating the check-worthiness of claims in political debates. Given a political debate, such as the 2016 US Presidential and Vice-Presidential ones, the task is to predict which…

计算与语言 · 计算机科学 2019-08-22 Slavena Vasileva , Pepa Atanasova , Lluís Màrquez , Alberto Barrón-Cedeño , Preslav Nakov

Recent breakthroughs of pretrained language models have shown the effectiveness of self-supervised learning for a wide range of natural language processing (NLP) tasks. In addition to standard syntactic and semantic NLP tasks, pretrained…

计算与语言 · 计算机科学 2019-12-23 Wenhan Xiong , Jingfei Du , William Yang Wang , Veselin Stoyanov

Fact checking aims to predict claim veracity by reasoning over multiple evidence pieces. It usually involves evidence retrieval and veracity reasoning. In this paper, we focus on the latter, reasoning over unstructured text and structured…

计算与语言 · 计算机科学 2024-02-21 Haisong Gong , Weizhi Xu , Shu wu , Qiang Liu , Liang Wang

The rising growth of fake news and misleading information through online media outlets demands an automatic method for detecting such news articles. Of the few limited works which differentiate between trusted vs other types of news article…

计算与语言 · 计算机科学 2019-10-29 Vaibhav Vaibhav , Raghuram Mandyam Annasamy , Eduard Hovy

The ubiquity of the contemporary language understanding tasks gives relevance to the development of generalized, yet highly efficient models that utilize all knowledge, provided by the data source. In this work, we present SocialBERT - the…

计算与语言 · 计算机科学 2021-11-16 Ilia Karpov , Nick Kartashev

Attribution and fact verification are critical challenges in natural language processing for assessing information reliability. While automated systems and Large Language Models (LLMs) aim to retrieve and select concise evidence to support…

计算与语言 · 计算机科学 2026-01-30 Guy Alt , Eran Hirsch , Serwar Basch , Ido Dagan , Oren Glickman

Despite recent success in natural language processing (NLP), fact verification still remains a difficult task. Due to misinformation spreading increasingly fast, attention has been directed towards automatically verifying the correctness of…

计算与语言 · 计算机科学 2024-08-15 Tobias A. Opsahl

Product ranking is a crucial component for many e-commerce services. One of the major challenges in product search is the vocabulary mismatch between query and products, which may be a larger vocabulary gap problem compared to other…

信息检索 · 计算机科学 2022-04-04 Xuyang Wu , Alessandro Magnani , Suthee Chaidaroon , Ajit Puthenputhussery , Ciya Liao , Yi Fang

Obtaining large-scale annotated data for NLP tasks in the scientific domain is challenging and expensive. We release SciBERT, a pretrained language model based on BERT (Devlin et al., 2018) to address the lack of high-quality, large-scale…

计算与语言 · 计算机科学 2019-09-12 Iz Beltagy , Kyle Lo , Arman Cohan