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Joint entity and relation extraction is a process that identifies entity pairs and their relations using a single model. We focus on the problem of joint extraction in distantly-labeled data, whose labels are generated by aligning entity…

Computation and Language · Computer Science 2024-05-28 Yufei Li , Xiao Yu , Yanghong Guo , Yanchi Liu , Haifeng Chen , Cong Liu

Most approaches to extraction multiple relations from a paragraph require multiple passes over the paragraph. In practice, multiple passes are computationally expensive and this makes difficult to scale to longer paragraphs and larger text…

Computation and Language · Computer Science 2019-06-04 Haoyu Wang , Ming Tan , Mo Yu , Shiyu Chang , Dakuo Wang , Kun Xu , Xiaoxiao Guo , Saloni Potdar

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…

Computation and Language · Computer Science 2023-01-27 Ningyu Zhang , Xiang Chen , Xin Xie , Shumin Deng , Chuanqi Tan , Mosha Chen , Fei Huang , Luo Si , Huajun Chen

Distantly supervised datasets for relation extraction mostly focus on sentence-level extraction, and they cover very few relations. In this work, we propose cross-document relation extraction, where the two entities of a relation tuple…

Computation and Language · Computer Science 2021-08-24 Tapas Nayak , Hwee Tou Ng

In deep learning, embeddings are widely used to represent categorical entities such as words, apps, and movies. An embedding layer maps each entity to a unique vector, causing the layer's memory requirement to be proportional to the number…

Machine Learning · Computer Science 2022-03-22 Niketan Pansare , Jay Katukuri , Aditya Arora , Frank Cipollone , Riyaaz Shaik , Noyan Tokgozoglu , Chandru Venkataraman

LLM agents with persistent memory store information as flat factual records, providing little context for temporal reasoning, change tracking, or cross-session aggregation. Inspired by the drawing effect [3], we introduce dual-trace memory…

Artificial Intelligence · Computer Science 2026-04-15 Benjamin Stern , Peter Nadel

Relation extraction is the task of determining the relation between two entities in a sentence. Distantly-supervised models are popular for this task. However, sentences can be long and two entities can be located far from each other in a…

Computation and Language · Computer Science 2019-12-10 Tapas Nayak , Hwee Tou Ng

Causal relation extraction of biomedical entities is one of the most complex tasks in biomedical text mining, which involves two kinds of information: entity relations and entity functions. One feasible approach is to take relation…

Computation and Language · Computer Science 2022-08-03 Dongling Li , Pengchao Wu , Yuehu Dong , Jinghang Gu , Longhua Qian , Guodong Zhou

The use of deep pre-trained bidirectional transformers has led to remarkable progress in a number of applications (Devlin et al., 2018). For tasks that make pairwise comparisons between sequences, matching a given input with a corresponding…

Computation and Language · Computer Science 2020-03-27 Samuel Humeau , Kurt Shuster , Marie-Anne Lachaux , Jason Weston

Specialized transformer-based models for encoding tabular data have gained interest in academia. Although tabular data is omnipresent in industry, applications of table transformers are still missing. In this paper, we study how these…

Artificial Intelligence · Computer Science 2022-09-30 Aneta Koleva , Martin Ringsquandl , Mark Buckley , Rakebul Hasan , Volker Tresp

Representation learning is a fundamental building block for analyzing entities in a database. While the existing embedding learning methods are effective in various data mining problems, their applicability is often limited because these…

Machine Learning · Computer Science 2020-09-24 Chin-Chia Michael Yeh , Dhruv Gelda , Zhongfang Zhuang , Yan Zheng , Liang Gou , Wei Zhang

Representation learning of knowledge graphs aims to embed entities and relations into low-dimensional vectors. Most existing works only consider the direct relations or paths between an entity pair. It is considered that such approaches…

Computation and Language · Computer Science 2022-10-24 Sirui Li , Kok Wai Wong , Dengya Zhu , Chun Che Fung

State-of-the-art studies have demonstrated the superiority of joint modelling over pipeline implementation for medical named entity recognition and normalization due to the mutual benefits between the two processes. To exploit these…

Computation and Language · Computer Science 2018-12-17 Sendong Zhao , Ting Liu , Sicheng Zhao , Fei Wang

Encoding facts as representations of entities and binary relationships between them, as learned by knowledge graph representation models, is useful for various tasks, including predicting new facts, question answering, fact checking and…

Machine Learning · Computer Science 2022-02-01 Ivana Balažević

Relation extraction is an important but challenging task that aims to extract all hidden relational facts from the text. With the development of deep language models, relation extraction methods have achieved good performance on various…

Computation and Language · Computer Science 2022-08-17 Sheng Zhang , Patrick Ng , Zhiguo Wang , Bing Xiang

Joint representation learning of text and knowledge within a unified semantic space enables us to perform knowledge graph completion more accurately. In this work, we propose a novel framework to embed words, entities and relations into the…

Computation and Language · Computer Science 2016-11-15 Xu Han , Zhiyuan Liu , Maosong Sun

The increasing number of protein sequences decoded from genomes is opening up new avenues of research on linking protein sequence to function with transformer neural networks. Recent research has shown that the number of known protein…

Machine Learning · Computer Science 2022-06-23 Anowarul Kabir , Amarda Shehu

We present the self-encoder, a neural network trained to guess the identity of each data sample. Despite its simplicity, it learns a very useful representation of data, in a self-supervised way. Specifically, the self-encoder learns to…

Machine Learning · Computer Science 2023-06-27 Armand Boschin , Thomas Bonald , Marc Jeanmougin

Entity Alignment (EA) aims to find the equivalent entities between two Knowledge Graphs (KGs). Existing methods usually encode the triples of entities as embeddings and learn to align the embeddings, which prevents the direct interaction…

Computation and Language · Computer Science 2023-05-22 Yu Zhao , Yike Wu , Xiangrui Cai , Ying Zhang , Haiwei Zhang , Xiaojie Yuan

Entity alignment is a viable means for integrating heterogeneous knowledge among different knowledge graphs (KGs). Recent developments in the field often take an embedding-based approach to model the structural information of KGs so that…

Computation and Language · Computer Science 2019-09-23 Yuting Wu , Xiao Liu , Yansong Feng , Zheng Wang , Dongyan Zhao
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