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Related papers: Low-Rank Subspaces for Unsupervised Entity Linking

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Unsupervised learning of low-dimensional, semantic representations of words and entities has recently gained attention. In this paper we describe the Semantic Entity Retrieval Toolkit (SERT) that provides implementations of our previously…

Computation and Language · Computer Science 2017-07-18 Christophe Van Gysel , Maarten de Rijke , Evangelos Kanoulas

Distant supervised relation extraction is an efficient approach to scale relation extraction to very large corpora, and has been widely used to find novel relational facts from plain text. Recent studies on neural relation extraction have…

Computation and Language · Computer Science 2018-01-12 Zhengqiu He , Wenliang Chen , Zhenghua Li , Meishan Zhang , Wei Zhang , Min Zhang

This paper introduces a conceptually simple, scalable, and highly effective BERT-based entity linking model, along with an extensive evaluation of its accuracy-speed trade-off. We present a two-stage zero-shot linking algorithm, where each…

Computation and Language · Computer Science 2020-09-30 Ledell Wu , Fabio Petroni , Martin Josifoski , Sebastian Riedel , Luke Zettlemoyer

Previous work has shown promising results in performing entity linking by measuring not only the affinities between mentions and entities but also those amongst mentions. In this paper, we present novel training and inference procedures…

Computation and Language · Computer Science 2022-12-13 Dhruv Agarwal , Rico Angell , Nicholas Monath , Andrew McCallum

Entity Typing (ET) is the process of identifying the semantic types of every entity within a corpus. In contrast to Named Entity Recognition, where each token in a sentence is labelled with zero or one class label, ET involves labelling…

Computation and Language · Computer Science 2020-03-24 Michael Stewart , Wei Liu

In this paper, we report our discovery on named entity distribution in a general word embedding space, which helps an open definition on multilingual named entity definition rather than previous closed and constraint definition on named…

Computation and Language · Computer Science 2021-02-11 Ying Luo , Hai Zhao , Zhuosheng Zhang , Bingjie Tang

Entity alignment (EA) aims at building a unified Knowledge Graph (KG) of rich content by linking the equivalent entities from various KGs. GNN-based EA methods present promising performances by modeling the KG structure defined by relation…

Computation and Language · Computer Science 2021-01-05 Zhiyuan Liu , Yixin Cao , Liangming Pan , Juanzi Li , Zhiyuan Liu , Tat-Seng Chua

Entity recognition is a fundamental task in understanding document images. Traditional sequence labeling frameworks treat the entity types as class IDs and rely on extensive data and high-quality annotations to learn semantics which are…

Computation and Language · Computer Science 2022-04-13 Zilong Wang , Jingbo Shang

We describe a new method called t-ETE for finding a low-dimensional embedding of a set of objects in Euclidean space. We formulate the embedding problem as a joint ranking problem over a set of triplets, where each triplet captures the…

Artificial Intelligence · Computer Science 2017-05-18 Ehsan Amid , Nikos Vlassis , Manfred K. Warmuth

Microblogging sites, like Twitter, have emerged as ubiquitous sources of information. Two important tasks related to the automatic extraction and analysis of information in Microblogs are Entity Mention Detection (EMD) and Entity Detection…

Computation and Language · Computer Science 2022-01-31 Satadisha Saha Bhowmick , Eduard C. Dragut , Weiyi Meng

Entity linking aims to link ambiguous mentions to their corresponding entities in a knowledge base. One of the key challenges comes from insufficient labeled data for specific domains. Although dense retrievers have achieved excellent…

Computation and Language · Computer Science 2023-10-20 Yulin Chen , Zhenran Xu , Baotian Hu , Min Zhang

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…

Computation and Language · Computer Science 2022-05-10 Sosuke Nishikawa , Ryokan Ri , Ikuya Yamada , Yoshimasa Tsuruoka , Isao Echizen

With the development of Semantic Web, entity summarization has become an emerging task to generate concrete summaries for real world entities. To solve this problem, we propose an approach named MPSUM that extends a probabilistic topic…

Information Retrieval · Computer Science 2020-05-26 Dongjun Wei , Shiyuan Gao , Yaxin Liu , Zhibing Liu , Longtao Hang

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

Entity linking methods based on dense retrieval are an efficient and widely used solution in large-scale applications, but they fall short of the performance of generative models, as they are sensitive to the structure of the embedding…

Computation and Language · Computer Science 2023-10-23 Mattia Atzeni , Mikhail Plekhanov , Frédéric A. Dreyer , Nora Kassner , Simone Merello , Louis Martin , Nicola Cancedda

Clinical text is rich in information, with mentions of treatment, medication and anatomy among many other clinical terms. Multiple terms can refer to the same core concepts which can be referred as a clinical entity. Ontologies like the…

Computation and Language · Computer Science 2024-05-28 Akshit Achara , Sanand Sasidharan , Gagan N

In entity linking, mentions of named entities in raw text are disambiguated against a knowledge base (KB). This work focuses on linking to unseen KBs that do not have training data and whose schema is unknown during training. Our approach…

Computation and Language · Computer Science 2020-10-23 Yogarshi Vyas , Miguel Ballesteros

This paper addresses the problem of corpus-level entity typing, i.e., inferring from a large corpus that an entity is a member of a class such as "food" or "artist". The application of entity typing we are interested in is knowledge base…

Computation and Language · Computer Science 2018-06-11 Yadollah Yaghoobzadeh , Heike Adel , Hinrich Schütze

Traditional named entity recognition models use gazetteers (lists of entities) as features to improve performance. Although modern neural network models do not require such hand-crafted features for strong performance, recent work has…

Computation and Language · Computer Science 2020-05-06 Shruti Rijhwani , Shuyan Zhou , Graham Neubig , Jaime Carbonell

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
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