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We present a novel way of injecting factual knowledge about entities into the pretrained BERT model (Devlin et al., 2019): We align Wikipedia2Vec entity vectors (Yamada et al., 2016) with BERT's native wordpiece vector space and use the…

Computation and Language · Computer Science 2020-05-04 Nina Poerner , Ulli Waltinger , Hinrich Schütze

Expert finding is an important task in both industry and academia. It is challenging to rank candidates with appropriate expertise for various queries. In addition, different types of objects interact with one another, which naturally forms…

Information Retrieval · Computer Science 2018-03-12 Huan Gui , Qi Zhu , Liyuan Liu , Aston Zhang , Jiawei Han

We introduce a new entity typing task: given a sentence with an entity mention, the goal is to predict a set of free-form phrases (e.g. skyscraper, songwriter, or criminal) that describe appropriate types for the target entity. This…

Computation and Language · Computer Science 2018-07-16 Eunsol Choi , Omer Levy , Yejin Choi , Luke Zettlemoyer

Entity retrieval, which aims at disambiguating mentions to canonical entities from massive KBs, is essential for many tasks in natural language processing. Recent progress in entity retrieval shows that the dual-encoder structure is a…

Computation and Language · Computer Science 2021-09-14 Xinyin Ma , Yong Jiang , Nguyen Bach , Tao Wang , Zhongqiang Huang , Fei Huang , Weiming Lu

Named entity recognition is one of the core tasks in NLP. Although many improvements have been made on this task during the last years, the state-of-the-art systems do not explicitly take into account the recursive nature of language.…

Computation and Language · Computer Science 2019-09-12 Gustavo Aguilar , Thamar Solorio

Entity-Relationship (E-R) Search is a complex case of Entity Search where the goal is to search for multiple unknown entities and relationships connecting them. We assume that a E-R query can be decomposed as a sequence of sub-queries each…

Information Retrieval · Computer Science 2018-10-09 Pedro Saleiro , Natasa Milic-Frayling , Eduarda Mendes Rodrigues , Carlos Soares

Entity representations are useful in natural language tasks involving entities. In this paper, we propose new pretrained contextualized representations of words and entities based on the bidirectional transformer. The proposed model treats…

Computation and Language · Computer Science 2020-10-05 Ikuya Yamada , Akari Asai , Hiroyuki Shindo , Hideaki Takeda , Yuji Matsumoto

A major proportion of a text summary includes important entities found in the original text. These entities build up the topic of the summary. Moreover, they hold commonsense information once they are linked to a knowledge base. Based on…

Computation and Language · Computer Science 2018-06-15 Reinald Kim Amplayo , Seonjae Lim , Seung-won Hwang

Word embeddings are widely used in Natural Language Processing, mainly due to their success in capturing semantic information from massive corpora. However, their creation process does not allow the different meanings of a word to be…

Computation and Language · Computer Science 2017-06-22 Massimiliano Mancini , Jose Camacho-Collados , Ignacio Iacobacci , Roberto Navigli

We consider a joint information extraction (IE) model, solving named entity recognition, coreference resolution and relation extraction jointly over the whole document. In particular, we study how to inject information from a knowledge base…

Computation and Language · Computer Science 2021-07-07 Severine Verlinden , Klim Zaporojets , Johannes Deleu , Thomas Demeester , Chris Develder

Large Language Models (LLMs) are a class of generative AI models built using the Transformer network, capable of leveraging vast datasets to identify, summarize, translate, predict, and generate language. LLMs promise to revolutionize…

Information Retrieval · Computer Science 2024-03-05 Chunhe Ni , Jiang Wu , Hongbo Wang , Wenran Lu , Chenwei Zhang

Knowledge bases provide applications with the benefit of easily accessible, systematic relational knowledge but often suffer in practice from their incompleteness and lack of knowledge of new entities and relations. Much work has focused on…

Computation and Language · Computer Science 2013-03-19 Danqi Chen , Richard Socher , Christopher D. Manning , Andrew Y. Ng

Extracting entities and relations for types of interest from text is important for understanding massive text corpora. Traditionally, systems of entity relation extraction have relied on human-annotated corpora for training and adopted an…

Computation and Language · Computer Science 2017-06-06 Xiang Ren , Zeqiu Wu , Wenqi He , Meng Qu , Clare R. Voss , Heng Ji , Tarek F. Abdelzaher , Jiawei Han

Neural methods for embedding entities are typically extrinsically evaluated on downstream tasks and, more recently, intrinsically using probing tasks. Downstream task-based comparisons are often difficult to interpret due to differences in…

Computation and Language · Computer Science 2020-11-19 Andrew Runge , Eduard Hovy

In Natural Language Processing, entity linking (EL) has centered around Wikipedia, but yet remains underexplored for the job market domain. Disambiguating skill mentions can help us get insight into the current labor market demands. In this…

Computation and Language · Computer Science 2024-02-01 Mike Zhang , Rob van der Goot , Barbara Plank

Text semantic matching is a fundamental task that has been widely used in various scenarios, such as community question answering, information retrieval, and recommendation. Most state-of-the-art matching models, e.g., BERT, directly…

Computation and Language · Computer Science 2022-03-08 Yicheng Zou , Hongwei Liu , Tao Gui , Junzhe Wang , Qi Zhang , Meng Tang , Haixiang Li , Daniel Wang

In this paper we present a new method to learn a model robust to typos for a Named Entity Recognition task. Our improvement over existing methods helps the model to take into account the context of the sentence inside a court decision in…

Computation and Language · Computer Science 2019-09-10 Valentin Barriere , Amaury Fouret

Understanding a long document requires tracking how entities are introduced and evolve over time. We present a new type of language model, EntityNLM, that can explicitly model entities, dynamically update their representations, and…

Computation and Language · Computer Science 2017-08-03 Yangfeng Ji , Chenhao Tan , Sebastian Martschat , Yejin Choi , Noah A. Smith

The paper introduces a framework for representation and acquisition of knowledge emerging from large samples of textual data. We utilise a tensor-based, distributional representation of simple statements extracted from text, and show how…

Artificial Intelligence · Computer Science 2012-10-12 Vit Novacek

In many information extraction applications, entity linking (EL) has emerged as a crucial task that allows leveraging information about named entities from a knowledge base. In this paper, we address the task of multimodal entity linking…

Information Retrieval · Computer Science 2021-04-08 Omar Adjali , Romaric Besançon , Olivier Ferret , Herve Le Borgne , Brigitte Grau