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Entity alignment, which is a prerequisite for creating a more comprehensive Knowledge Graph (KG), involves pinpointing equivalent entities across disparate KGs. Contemporary methods for entity alignment have predominantly utilized knowledge…

计算与语言 · 计算机科学 2024-01-31 Linyao Yang , Hongyang Chen , Xiao Wang , Jing Yang , Fei-Yue Wang , Han Liu

Entity Alignment (EA) aims to match equivalent entities in different Knowledge Graphs (KGs), which is essential for knowledge fusion and integration. Recently, embedding-based EA has attracted significant attention and many approaches have…

计算与语言 · 计算机科学 2024-08-05 Zhichun Wang , Xuan Chen

Entity alignment (EA) refers to the task of linking entities in different knowledge graphs (KGs). Existing EA methods rely heavily on structural isomorphism. However, in real-world KGs, aligned entities usually have non-isomorphic…

计算与语言 · 计算机科学 2024-11-06 Linyan Yang , Jingwei Cheng , Chuanhao Xu , Xihao Wang , Jiayi Li , Fu Zhang

Medical knowledge bases (KBs), distilled from biomedical literature and regulatory actions, are expected to provide high-quality information to facilitate clinical decision making. Entity disambiguation (also referred to as entity linking)…

信息检索 · 计算机科学 2021-04-06 Alina Vretinaris , Chuan Lei , Vasilis Efthymiou , Xiao Qin , Fatma Özcan

Knowledge Graph (KG) embeddings provide a low-dimensional representation of entities and relations of a Knowledge Graph and are used successfully for various applications such as question answering and search, reasoning, inference, and…

人工智能 · 计算机科学 2021-10-22 Biswesh Mohapatra , Sumit Bhatia , Raghava Mutharaju , G. Srinivasaraghavan

Entity linking (EL) is the process of linking entity mentions appearing in web text with their corresponding entities in a knowledge base. EL plays an important role in the fields of knowledge engineering and data mining, underlying a…

计算与语言 · 计算机科学 2021-09-28 Wei Shen , Yuhan Li , Yinan Liu , Jiawei Han , Jianyong Wang , Xiaojie Yuan

Named Entity Disambiguation (NED) refers to the task of resolving multiple named entity mentions in a document to their correct references in a knowledge base (KB) (e.g., Wikipedia). In this paper, we propose a novel embedding method…

计算与语言 · 计算机科学 2016-06-13 Ikuya Yamada , Hiroyuki Shindo , Hideaki Takeda , Yoshiyasu Takefuji

Knowledge is captured in the form of entities and their relationships and stored in knowledge graphs. Knowledge graphs enhance the capabilities of applications in many different areas including Web search, recommendation, and natural…

机器学习 · 计算机科学 2021-03-31 Kalpa Gunaratna , Yu Wang , Hongxia Jin

The first stage of every knowledge base question answering approach is to link entities in the input question. We investigate entity linking in the context of a question answering task and present a jointly optimized neural architecture for…

计算与语言 · 计算机科学 2018-04-24 Daniil Sorokin , Iryna Gurevych

Recent work in entity disambiguation (ED) has typically neglected structured knowledge base (KB) facts, and instead relied on a limited subset of KB information, such as entity descriptions or types. This limits the range of contexts in…

计算与语言 · 计算机科学 2022-07-12 Tom Ayoola , Joseph Fisher , Andrea Pierleoni

Entity linking (EL) aligns textual mentions with their corresponding entities in a knowledge base, facilitating various applications such as semantic search and question answering. Recent advances in multimodal entity linking (MEL) have…

信息检索 · 计算机科学 2025-04-22 Juyeon Kim , Geon Lee , Taeuk Kim , Kijung Shin

In this work, we focus on the problem of entity alignment in Knowledge Graphs (KG) and we report on our experiences when applying a Graph Convolutional Network (GCN) based model for this task. Variants of GCN are used in multiple…

机器学习 · 计算机科学 2021-05-27 Max Berrendorf , Evgeniy Faerman , Valentyn Melnychuk , Volker Tresp , Thomas Seidl

Fine-grained entity typing is a challenging problem since it usually involves a relatively large tag set and may require to understand the context of the entity mention. In this paper, we use entity linking to help with the fine-grained…

计算与语言 · 计算机科学 2019-09-27 Hongliang Dai , Donghong Du , Xin Li , Yangqiu Song

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…

Knowledge Graphs (KGs) are composed of structured information about a particular domain in the form of entities and relations. In addition to the structured information KGs help in facilitating interconnectivity and interoperability between…

人工智能 · 计算机科学 2020-05-15 Genet Asefa Gesese , Russa Biswas , Mehwish Alam , Harald Sack

Question Answering systems are generally modelled as a pipeline consisting of a sequence of steps. In such a pipeline, Entity Linking (EL) is often the first step. Several EL models first perform span detection and then entity…

计算与语言 · 计算机科学 2020-09-02 Debayan Banerjee , Debanjan Chaudhuri , Mohnish Dubey , Jens Lehmann

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

Entity disambiguation, or mapping a phrase to its canonical representation in a knowledge base, is a fundamental step in many natural language processing applications. Existing techniques based on global ranking models fail to capture the…

计算与语言 · 计算机科学 2016-04-21 Tiep Mai , Bichen Shi , Patrick K. Nicholson , Deepak Ajwani , Alessandra Sala

Knowledge Graph Embedding (KGE) techniques are crucial in learning compact representations of entities and relations within a knowledge graph, facilitating efficient reasoning and knowledge discovery. While existing methods typically focus…

计算与语言 · 计算机科学 2024-10-29 Pengcheng Jiang , Lang Cao , Cao Xiao , Parminder Bhatia , Jimeng Sun , Jiawei Han

Recently, end-to-end (E2E) trained models for question answering over knowledge graphs (KGQA) have delivered promising results using only a weakly supervised dataset. However, these models are trained and evaluated in a setting where…

计算与语言 · 计算机科学 2021-09-14 Armin Oliya , Amir Saffari , Priyanka Sen , Tom Ayoola