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Document-level entity-based extraction (EE), aiming at extracting entity-centric information such as entity roles and entity relations, is key to automatic knowledge acquisition from text corpora for various domains. Most document-level EE…

计算与语言 · 计算机科学 2021-09-13 Kung-Hsiang Huang , Sam Tang , Nanyun Peng

In the last decade, the field of Neural Language Modelling has witnessed enormous changes, with the development of novel models through the use of Transformer architectures. However, even these models struggle to model long sequences due to…

计算与语言 · 计算机科学 2020-11-12 Nikolaos Stylianou , Ioannis Vlahavas

In standard methodology for natural language processing, entities in text are typically embedded in dense vector spaces with pre-trained models. The embeddings produced this way are effective when fed into downstream models, but they…

计算与语言 · 计算机科学 2020-10-14 Yasumasa Onoe , Greg Durrett

Entity-aware machine translation (EAMT) is a complicated task in natural language processing due to not only the shortage of translation data related to the entities needed to translate but also the complexity in the context needed to…

计算与语言 · 计算机科学 2025-06-24 An Trieu , Phuong Nguyen , Minh Le Nguyen

Medical entity extraction (EE) is a standard procedure used as a first stage in medical texts processing. Usually Medical EE is a two-step process: named entity recognition (NER) and named entity normalization (NEN). We propose a novel…

计算与语言 · 计算机科学 2022-01-26 Alexander Nesterov , Dmitry Umerenkov

Vision-language models (VLMs) excel at extracting and reasoning about information from images. Yet, their capacity to leverage internal knowledge about specific entities remains underexplored. This work investigates the disparity in model…

计算与语言 · 计算机科学 2026-01-06 Ido Cohen , Daniela Gottesman , Mor Geva , Raja Giryes

Entities are at the center of how we represent and aggregate knowledge. For instance, Encyclopedias such as Wikipedia are structured by entities (e.g., one per Wikipedia article). The ability to retrieve such entities given a query is…

计算与语言 · 计算机科学 2021-03-25 Nicola De Cao , Gautier Izacard , Sebastian Riedel , Fabio Petroni

Entity Matching (EM) involves identifying different data representations referring to the same entity from multiple data sources and is typically formulated as a binary classification problem. It is a challenging problem in data integration…

计算与语言 · 计算机科学 2023-05-31 John Bosco Mugeni , Steven Lynden , Toshiyuki Amagasa , Akiyoshi Matono

Embedding-based methods have attracted increasing attention in recent entity alignment (EA) studies. Although great promise they can offer, there are still several limitations. The most notable is that they identify the aligned entities…

人工智能 · 计算机科学 2022-03-08 Lingbing Guo , Yuqiang Han , Qiang Zhang , Huajun Chen

High-quality automatic speech recognition (ASR) is essential for virtual assistants (VAs) to work well. However, ASR often performs poorly on VA requests containing named entities. In this work, we start from the observation that many ASR…

计算与语言 · 计算机科学 2021-09-22 Mandana Saebi , Ernest Pusateri , Aaksha Meghawat , Christophe Van Gysel

We present EASE, a novel method for learning sentence embeddings via contrastive learning between sentences and their related entities. The advantage of using entity supervision is twofold: (1) entities have been shown to be a strong…

计算与语言 · 计算机科学 2022-05-10 Sosuke Nishikawa , Ryokan Ri , Ikuya Yamada , Yoshimasa Tsuruoka , Isao Echizen

Entity Set Expansion (ESE) is a valuable task that aims to find entities of the target semantic class described by given seed entities. Various Natural Language Processing (NLP) and Information Retrieval (IR) downstream applications have…

计算与语言 · 计算机科学 2024-10-28 Yinghui Li , Shulin Huang , Xinwei Zhang , Qingyu Zhou , Yangning Li , Ruiyang Liu , Yunbo Cao , Hai-Tao Zheng , Ying Shen

We describe a neural network model that jointly learns distributed representations of texts and knowledge base (KB) entities. Given a text in the KB, we train our proposed model to predict entities that are relevant to the text. Our model…

计算与语言 · 计算机科学 2017-11-08 Ikuya Yamada , Hiroyuki Shindo , Hideaki Takeda , Yoshiyasu Takefuji

Entity Alignment (EA) seeks to identify and match corresponding entities across different Knowledge Graphs (KGs), playing a crucial role in knowledge fusion and integration. Embedding-based entity alignment (EA) has recently gained…

计算与语言 · 计算机科学 2024-12-09 Xuan Chen , Tong Lu , Zhichun Wang

Constituency parsing involves analyzing a sentence by breaking it into sub-phrases, or constituents. While many deep neural models have achieved state-of-the-art performance in this task, they often overlook the entity-violating issue,…

计算与语言 · 计算机科学 2024-11-13 Xinyi Bai

Recent studies have shown that multilingual pretrained language models can be effectively improved with cross-lingual alignment information from Wikipedia entities. However, existing methods only exploit entity information in pretraining…

计算与语言 · 计算机科学 2022-03-31 Ryokan Ri , Ikuya Yamada , Yoshimasa Tsuruoka

Pre-trained language models induce dense entity representations that offer strong performance on entity-centric NLP tasks, but such representations are not immediately interpretable. This can be a barrier to model uptake in important…

计算与语言 · 计算机科学 2021-06-18 Diego Garcia-Olano , Yasumasa Onoe , Ioana Baldini , Joydeep Ghosh , Byron C. Wallace , Kush R. Varshney

We consider a joint information extraction (IE) model, solving named entity recognition, coreference resolution and relation extraction jointly over the whole document. In particular, we study how to inject information from a knowledge base…

计算与语言 · 计算机科学 2021-07-07 Severine Verlinden , Klim Zaporojets , Johannes Deleu , Thomas Demeester , Chris Develder

Recent advances in machine learning have significantly impacted the field of information extraction, with Language Models (LMs) playing a pivotal role in extracting structured information from unstructured text. Prior works typically…

计算与语言 · 计算机科学 2024-10-03 Haolun Wu , Ye Yuan , Liana Mikaelyan , Alexander Meulemans , Xue Liu , James Hensman , Bhaskar Mitra

Entity alignment (EA) aims to discover the equivalent entities in different knowledge graphs (KGs). It is a pivotal step for integrating KGs to increase knowledge coverage and quality. Recent years have witnessed a rapid increase of EA…

人工智能 · 计算机科学 2021-01-27 Weixin Zeng , Xiang Zhao , Jiuyang Tang , Xinyi Li , Minnan Luo , Qinghua Zheng