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A conventional approach to entity linking is to first find mentions in a given document and then infer their underlying entities in the knowledge base. A well-known limitation of this approach is that it requires finding mentions without…

Computation and Language · Computer Science 2022-03-09 Wenzheng Zhang , Wenyue Hua , Karl Stratos

Entity linking is the task of identifying mentions of entities in text, and linking them to entries in a knowledge base. This task is especially difficult in microblogs, as there is little additional text to provide disambiguating context;…

Computation and Language · Computer Science 2016-09-27 Yi Yang , Ming-Wei Chang , Jacob Eisenstein

Entity matching is the task of linking records from different sources that refer to the same real-world entity. Past work has primarily treated entity linking as a standard supervised learning problem. However, supervised entity matching…

Computation and Language · Computer Science 2024-10-01 Somin Wadhwa , Adit Krishnan , Runhui Wang , Byron C. Wallace , Chris Kong

With the rapid development of knowledge base,question answering based on knowledge base has been a hot research issue. In this paper, we focus on answering singlerelation factoid questions based on knowledge base. We build a question…

Artificial Intelligence · Computer Science 2018-10-10 Zhaohui Chao , Lin Li

Entity linking (EL) is the task of linking entity mentions in a document to referent entities in a knowledge base (KB). Many previous studies focus on Wikipedia-derived KBs. There is little work on EL over Wikidata, even though it is the…

Computation and Language · Computer Science 2022-03-16 Tuan Manh Lai , Heng Ji , ChengXiang Zhai

Due to large number of entities in biomedical knowledge bases, only a small fraction of entities have corresponding labelled training data. This necessitates entity linking models which are able to link mentions of unseen entities using…

Computation and Language · Computer Science 2021-04-12 Rico Angell , Nicholas Monath , Sunil Mohan , Nishant Yadav , Andrew McCallum

Entity-linking is a natural-language-processing task that consists in identifying the entities mentioned in a piece of text, linking each to an appropriate item in some knowledge base; when the knowledge base is Wikipedia, the problem comes…

Data Structures and Algorithms · Computer Science 2014-07-31 Roi Blanco , Paolo Boldi , Andrea Marino

Wikidata is a frequently updated, community-driven, and multilingual knowledge graph. Hence, Wikidata is an attractive basis for Entity Linking, which is evident by the recent increase in published papers. This survey focuses on four…

Computation and Language · Computer Science 2021-12-06 Cedric Möller , Jens Lehmann , Ricardo Usbeck

Being able to automatically discover synonymous entities in an open-world setting benefits various tasks such as entity disambiguation or knowledge graph canonicalization. Existing works either only utilize entity features, or rely on…

Computation and Language · Computer Science 2020-05-12 Chenwei Zhang , Yaliang Li , Nan Du , Wei Fan , Philip S. Yu

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…

Computation and Language · Computer Science 2022-07-12 Tom Ayoola , Joseph Fisher , Andrea Pierleoni

Entity Linking (EL) is an essential task for semantic text understanding and information extraction. Popular methods separately address the Mention Detection (MD) and Entity Disambiguation (ED) stages of EL, without leveraging their mutual…

Computation and Language · Computer Science 2018-08-30 Nikolaos Kolitsas , Octavian-Eugen Ganea , Thomas Hofmann

Modern entity linking systems rely on large collections of documents specifically annotated for the task (e.g., AIDA CoNLL). In contrast, we propose an approach which exploits only naturally occurring information: unlabeled documents and…

Computation and Language · Computer Science 2019-06-05 Phong Le , Ivan Titov

Entity disambiguation (ED) is the task of mapping an ambiguous entity mention to the corresponding entry in a structured knowledge base. Previous research showed that entity overshadowing is a significant challenge for existing ED models:…

Computation and Language · Computer Science 2022-10-13 Vera Provatorova , Simone Tedeschi , Svitlana Vakulenko , Roberto Navigli , Evangelos Kanoulas

Neural entity linking models are very powerful, but run the risk of overfitting to the domain they are trained in. For this problem, a domain is characterized not just by genre of text but even by factors as specific as the particular…

Computation and Language · Computer Science 2020-01-09 Yasumasa Onoe , Greg Durrett

Entity linking (or Normalization) is an essential task in text mining that maps the entity mentions in the medical text to standard entities in a given Knowledge Base (KB). This task is of great importance in the medical domain. It can also…

Computation and Language · Computer Science 2020-12-22 Ishani Mondal , Sukannya Purkayastha , Sudeshna Sarkar , Pawan Goyal , Jitesh Pillai , Amitava Bhattacharyya , Mahanandeeshwar Gattu

To study social, economic, and historical questions, researchers in the social sciences and humanities have started to use increasingly large unstructured textual datasets. While recent advances in NLP provide many tools to efficiently…

Entity summarization aims to compute concise summaries for entities in knowledge graphs. Existing datasets and benchmarks are often limited to a few hundred entities and discard graph structure in source knowledge graphs. This limitation is…

Information Retrieval · Computer Science 2024-06-13 Saeedeh Javadi , Atefeh Moradan , Mohammad Sorkhpar , Klim Zaporojets , Davide Mottin , Ira Assent

A major challenge in Entity Linking (EL) is making effective use of contextual information to disambiguate mentions to Wikipedia that might refer to different entities in different contexts. The problem exacerbates with cross-lingual EL…

Computation and Language · Computer Science 2017-12-06 Avirup Sil , Gourab Kundu , Radu Florian , Wael Hamza

Entity Linking (EL) is the task of detecting mentions of entities in text and disambiguating them to a reference knowledge base. Most prevalent EL approaches assume that the reference knowledge base is complete. In practice, however, it is…

Computation and Language · Computer Science 2023-03-14 Nicolas Heist , Heiko Paulheim

Knowledge bases such as Wikidata amass vast amounts of named entity information, such as multilingual labels, which can be extremely useful for various multilingual and cross-lingual applications. However, such labels are not guaranteed to…

Computation and Language · Computer Science 2022-06-20 Gabriel Amaral , Mārcis Pinnis , Inguna Skadiņa , Odinaldo Rodrigues , Elena Simperl