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Recent works on representation learning for Knowledge Graphs have moved beyond the problem of link prediction, to answering queries of an arbitrary structure. Existing methods are based on ad-hoc mechanisms that require training with a…

人工智能 · 计算机科学 2020-06-25 Daniel Daza , Michael Cochez

Entity alignment (EA), a pivotal process in integrating multi-source Knowledge Graphs (KGs), seeks to identify equivalent entity pairs across these graphs. Most existing approaches regard EA as a graph representation learning task,…

信息检索 · 计算机科学 2024-04-18 Yuanyi Wang , Haifeng Sun , Jingyu Wang , Qi Qi , Shaoling Sun , Jianxin Liao

The emerging citation-based QA systems are gaining more attention especially in generative AI search applications. The importance of extracted knowledge provided to these systems is vital from both accuracy (completeness of information) and…

Entity Alignment (EA) identifies entities across databases that refer to the same entity. Knowledge graph-based embedding methods have recently dominated EA techniques. Such methods map entities to a low-dimension space and align them based…

Entity Linking (EL) plays a crucial role in Natural Language Processing (NLP) applications, enabling the disambiguation of entity mentions by linking them to their corresponding entries in a reference knowledge base (KB). Thanks to their…

计算与语言 · 计算机科学 2025-05-07 Marta Boscariol , Luana Bulla , Lia Draetta , Beatrice Fiumanò , Emanuele Lenzi , Leonardo Piano

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…

计算与语言 · 计算机科学 2023-05-22 Yu Zhao , Yike Wu , Xiangrui Cai , Ying Zhang , Haiwei Zhang , Xiaojie Yuan

Entity Linking (EL) is the process of associating ambiguous textual mentions to specific entities in a knowledge base. Traditional EL methods heavily rely on large datasets to enhance their performance, a dependency that becomes problematic…

计算与语言 · 计算机科学 2024-10-11 Xukai Liu , Ye Liu , Kai Zhang , Kehang Wang , Qi Liu , Enhong Chen

Entity Linking involves detecting and linking entity mentions in natural language texts to a knowledge graph. Traditional methods use a two-step process with separate models for entity recognition and disambiguation, which can be…

计算与语言 · 计算机科学 2025-10-23 Daniel Vollmers , Hamada M. Zahera , Diego Moussallem , Axel-Cyrille Ngonga Ngomo

Entity typing is the task of assigning semantic types to the entities that are mentioned in a text. In the case of fine-grained entity typing (FET), a large set of candidate type labels is considered. Since obtaining sufficient amounts of…

计算与语言 · 计算机科学 2024-01-30 Frank Mtumbuka , Steven Schockaert

We present JEL, a novel computationally efficient end-to-end multi-neural network based entity linking model, which beats current state-of-art model. Knowledge Graphs have emerged as a compelling abstraction for capturing critical…

机器学习 · 计算机科学 2025-09-11 Michael Kishelev , Pranab Bhadani , Wanying Ding , Vinay Chaudhri

In spite of the remarkable advancements in the field of Natural Language Processing, the task of Entity Linking (EL) remains challenging in the field of humanities due to complex document typologies, lack of domain-specific datasets and…

计算与语言 · 计算机科学 2026-05-25 Cristian Santini , Sebastian Barzaghi , Paolo Sernani , Emanuele Frontoni , Mehwish Alam

In this work, we address the brand entity linking problem for e-commerce search queries. The entity linking task is done by either i)a two-stage process consisting of entity mention detection followed by entity disambiguation or ii) an…

信息检索 · 计算机科学 2025-10-15 Dong Liu , Sreyashi Nag

Named entity recognition (NER) and entity linking (EL) are two fundamentally related tasks, since in order to perform EL, first the mentions to entities have to be detected. However, most entity linking approaches disregard the mention…

计算与语言 · 计算机科学 2019-07-22 Pedro Henrique Martins , Zita Marinho , André F. T. Martins

Building conversational agents that can have natural and knowledge-grounded interactions with humans requires understanding user utterances. Entity Linking (EL) is an effective and widely used method for understanding natural language text…

计算与语言 · 计算机科学 2023-09-29 Hideaki Joko , Faegheh Hasibi

Popular QA benchmarks like SQuAD have driven progress on the task of identifying answer spans within a specific passage, with models now surpassing human performance. However, retrieving relevant answers from a huge corpus of documents is…

计算与语言 · 计算机科学 2020-02-13 Amin Ahmad , Noah Constant , Yinfei Yang , Daniel Cer

Existing evaluations of entity linking systems often say little about how the system is going to perform for a particular application. There are two fundamental reasons for this. One is that many evaluations only use aggregate measures…

计算与语言 · 计算机科学 2023-11-20 Hannah Bast , Matthias Hertel , Natalie Prange

Current approaches to question answering rely on pre-trained language models (PLMs) like RoBERTa. This work challenges the existing question-answer encoding convention and explores finer representations. We begin with testing various…

计算与语言 · 计算机科学 2024-03-05 Zhanghao Hu , Yijun Yang , Junjie Xu , Yifu Qiu , Pinzhen Chen

We show that it is feasible to perform entity linking by training a dual encoder (two-tower) model that encodes mentions and entities in the same dense vector space, where candidate entities are retrieved by approximate nearest neighbor…

Joint entity and relation extraction plays a pivotal role in various applications, notably in the construction of knowledge graphs. Despite recent progress, existing approaches often fall short in two key aspects: richness of representation…

计算与语言 · 计算机科学 2024-04-22 Urchade Zaratiana , Nadi Tomeh , Yann Dauxais , Pierre Holat , Thierry Charnois

We present a simple yet effective approach for linking entities in queries. The key idea is to search sentences similar to a query from Wikipedia articles and directly use the human-annotated entities in the similar sentences as candidate…

计算与语言 · 计算机科学 2017-05-19 Chuanqi Tan , Furu Wei , Pengjie Ren , Weifeng Lv , Ming Zhou