中文
相关论文

相关论文: SEBERTNets: Sequence Enhanced BERT Networks for Ev…

200 篇论文

Fine-grained few-shot entity extraction in the chemical domain faces two unique challenges. First, compared with entity extraction tasks in the general domain, sentences from chemical papers usually contain more entities. Moreover, entity…

计算与语言 · 计算机科学 2024-05-31 Qingyun Wang , Zixuan Zhang , Hongxiang Li , Xuan Liu , Jiawei Han , Huimin Zhao , Heng Ji

Relation extraction that is the task of predicting semantic relation type between entities in a sentence or document is an important task in natural language processing. Although there are many researches and datasets for English, Persian…

计算与语言 · 计算机科学 2022-03-30 Moein Salimi Sartakhti , Romina Etezadi , Mehrnoush Shamsfard

Entity Linking aims to link entity mentions in texts to knowledge bases, and neural models have achieved recent success in this task. However, most existing methods rely on local contexts to resolve entities independently, which may usually…

计算与语言 · 计算机科学 2018-11-22 Yixin Cao , Lei Hou , Juanzi Li , Zhiyuan Liu

This paper introduces a conceptually simple, scalable, and highly effective BERT-based entity linking model, along with an extensive evaluation of its accuracy-speed trade-off. We present a two-stage zero-shot linking algorithm, where each…

计算与语言 · 计算机科学 2020-09-30 Ledell Wu , Fabio Petroni , Martin Josifoski , Sebastian Riedel , Luke Zettlemoyer

Nested Event Extraction (NEE) aims to extract complex event structures where an event contains other events as its arguments recursively. Nested events involve a kind of Pivot Elements (PEs) that simultaneously act as arguments of…

计算与语言 · 计算机科学 2024-04-09 Weicheng Ren , Zixuan Li , Xiaolong Jin , Long Bai , Miao Su , Yantao Liu , Saiping Guan , Jiafeng Guo , Xueqi Cheng

Document-level relation extraction aims to extract relations among multiple entity pairs from a document. Previously proposed graph-based or transformer-based models utilize the entities independently, regardless of global information among…

计算与语言 · 计算机科学 2023-01-27 Ningyu Zhang , Xiang Chen , Xin Xie , Shumin Deng , Chuanqi Tan , Mosha Chen , Fei Huang , Luo Si , Huajun Chen

There is a recent interest in investigating few-shot NER, where the low-resource target domain has different label sets compared with a resource-rich source domain. Existing methods use a similarity-based metric. However, they cannot make…

计算与语言 · 计算机科学 2021-06-04 Leyang Cui , Yu Wu , Jian Liu , Sen Yang , Yue Zhang

Scene text image super-resolution has significantly improved the accuracy of scene text recognition. However, many existing methods emphasize performance over efficiency and ignore the practical need for lightweight solutions in deployment…

计算机视觉与模式识别 · 计算机科学 2024-03-21 LeoWu TomyEnrique , Xiangcheng Du , Kangliang Liu , Han Yuan , Zhao Zhou , Cheng Jin

FDA Medical Device recalls are critical and time-sensitive events, requiring swift identification of impacted devices to inform the public of a recall event and ensure patient safety. The OpenFDA device recall dataset contains valuable…

计算与语言 · 计算机科学 2024-06-11 Miriam Farrington

Sentiment analysis can provide a suitable lead for the tools used in software engineering along with the API recommendation systems and relevant libraries to be used. In this context, the existing tools like SentiCR, SentiStrength-SE, etc.…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Himanshu Batra , Narinder Singh Punn , Sanjay Kumar Sonbhadra , Sonali Agarwal

We propose a new Named entity recognition (NER) method to effectively make use of the results of Part-of-speech (POS) tagging, Chinese word segmentation (CWS) and parsing while avoiding NER error caused by POS tagging error. This paper…

计算与语言 · 计算机科学 2021-01-28 Xiao Fu , Guijun Zhang

Transformer based models are increasingly being used in various domains including recommender systems (RS). Pretrained transformer models such as BERT have shown good performance at language modelling. With the greater ability to model…

信息检索 · 计算机科学 2025-01-03 Uzma Mushtaque

Motivated by the fact that many relations cross the sentence boundary, there has been increasing interest in document-level relation extraction (DocRE). DocRE requires integrating information within and across sentences, capturing complex…

计算与语言 · 计算机科学 2022-04-12 John Giorgi , Gary D. Bader , Bo Wang

News events can greatly influence equity markets. In this paper, we are interested in predicting the short-term movement of stock prices after financial news events using only the headlines of the news. To achieve this goal, we introduce a…

统计金融 · 定量金融 2021-07-20 Qinkai Chen

The joint entity and relation extraction task aims to extract all relational triples from a sentence. In essence, the relational triples contained in a sentence are unordered. However, previous seq2seq based models require to convert the…

计算与语言 · 计算机科学 2020-11-06 Dianbo Sui , Yubo Chen , Kang Liu , Jun Zhao , Xiangrong Zeng , Shengping Liu

Multi-horizon probabilistic time series forecasting has wide applicability to real-world tasks such as demand forecasting. Recent work in neural time-series forecasting mainly focus on the use of Seq2Seq architectures. For example,…

机器学习 · 计算机科学 2022-09-09 Sitan Yang , Carson Eisenach , Dhruv Madeka

A plethora of approaches have been proposed for joint entity-relation (ER) extraction. Most of these methods largely depend on a large amount of manually annotated training data. However, manual data annotation is time consuming, labor…

计算与语言 · 计算机科学 2023-05-25 Trung Hoang Le , Huiping Cao , Tran Cao Son

Named Entity Recognition (NER) and Relation Extraction (RE) are essential tools in distilling knowledge from biomedical literature. This paper presents our findings from participating in BioNLP Shared Tasks 2019. We addressed Named Entity…

计算与语言 · 计算机科学 2019-10-09 Usama Yaseen , Pankaj Gupta , Hinrich Schütze

Recognition of biomedical entities from literature is a challenging research focus, which is the foundation for extracting a large amount of biomedical knowledge existing in unstructured texts into structured formats. Using the sequence…

计算与语言 · 计算机科学 2021-05-18 Cong Sun , Zhihao Yang , Lei Wang , Yin Zhang , Hongfei Lin , Jian Wang

Keyphrase extraction from a given document is the task of automatically extracting salient phrases that best describe the document. This paper proposes a novel unsupervised graph-based ranking method to extract high-quality phrases from a…

信息检索 · 计算机科学 2022-01-27 Venktesh V , Mukesh Mohania , Vikram Goyal