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We propose an autoregressive entity linking model, that is trained with two auxiliary tasks, and learns to re-rank generated samples at inference time. Our proposed novelties address two weaknesses in the literature. First, a recent method…

计算与语言 · 计算机科学 2022-04-13 Khalil Mrini , Shaoliang Nie , Jiatao Gu , Sinong Wang , Maziar Sanjabi , Hamed Firooz

This paper presents the participation of the MiniTrue team in the FinSim-3 shared task on learning semantic similarities for the financial domain in English language. Our approach combines contextual embeddings learned by transformer-based…

计算与语言 · 计算机科学 2021-07-14 Chao Feng , Shi-jie We

Entity linking (EL) is the computational process of connecting textual mentions to corresponding entities. Like many areas of natural language processing, the EL field has greatly benefited from deep learning, leading to significant…

计算与语言 · 计算机科学 2024-06-26 Dominik Farhan

Relation extraction (RE) aims to extract the relations between entity names from the textual context. In principle, textual context determines the ground-truth relation and the RE models should be able to correctly identify the relations…

计算与语言 · 计算机科学 2024-05-08 Yiwei Wang , Bryan Hooi , Fei Wang , Yujun Cai , Yuxuan Liang , Wenxuan Zhou , Jing Tang , Manjuan Duan , Muhao Chen

Relation extraction (RE) aims to identify the semantic relations between named entities in text. Recent years have witnessed it raised to the document level, which requires complex reasoning with entities and mentions throughout an entire…

计算与语言 · 计算机科学 2020-09-23 Difeng Wang , Wei Hu , Ermei Cao , Weijian Sun

How can we better extract entities and relations from text? Using multimodal extraction with images and text obtains more signals for entities and relations, and aligns them through graphs or hierarchical fusion, aiding in extraction.…

计算与语言 · 计算机科学 2023-10-26 Xuming Hu , Junzhe Chen , Aiwei Liu , Shiao Meng , Lijie Wen , Philip S. Yu

In this paper, the authors propose TriBERTa, a supervised entity resolution system that utilizes a pre-trained large language model and a triplet loss function to learn representations for entity matching. The system consists of two steps:…

计算与语言 · 计算机科学 2024-11-19 Xiaowei Xu , Bi T. Foua , Xingqiao Wang , Vivek Gunasekaran , John R. Talburt

We explore methods to extract relations between named entities from free text in an unsupervised setting. In addition to standard feature extraction, we develop a novel method to re-weight word embeddings. We alleviate the problem of…

计算与语言 · 计算机科学 2018-01-23 Hady Elsahar , Elena Demidova , Simon Gottschalk , Christophe Gravier , Frederique Laforest

In this paper, we present our approaches for the FinSim 2020 shared task on "Learning Semantic Representations for the Financial Domain". The goal of this task is to classify financial terms into the most relevant hypernym (or top-level)…

计算与语言 · 计算机科学 2020-07-23 Vishal Keswani , Sakshi Singh , Ashutosh Modi

When combined with In-Context Learning, a technique that enables models to adapt to new tasks by incorporating task-specific examples or demonstrations directly within the input prompt, autoregressive language models have achieved good…

计算与语言 · 计算机科学 2024-10-18 Enzo Shiraishi , Raphael Y. de Camargo , Henrique L. P. Silva , Ronaldo C. Prati

In this paper, we propose a new paradigm for the task of entity-relation extraction. We cast the task as a multi-turn question answering problem, i.e., the extraction of entities and relations is transformed to the task of identifying…

计算与语言 · 计算机科学 2019-09-05 Xiaoya Li , Fan Yin , Zijun Sun , Xiayu Li , Arianna Yuan , Duo Chai , Mingxin Zhou , Jiwei Li

Reliably detecting relevant relations between entities in unstructured text is a valuable resource for knowledge extraction, which is why it has awaken significant interest in the field of Natural Language Processing. In this paper, we…

计算与语言 · 计算机科学 2018-06-18 Jonathan Rotsztejn , Nora Hollenstein , Ce Zhang

Entity resolution, the task of identifying and merging records that refer to the same real-world entity, is crucial in sectors like e-commerce, healthcare, and law enforcement. Large Language Models (LLMs) introduce an innovative approach…

计算与语言 · 计算机科学 2024-09-13 Huahang Li , Longyu Feng , Shuangyin Li , Fei Hao , Chen Jason Zhang , Yuanfeng Song

Word embeddings have been a key building block for NLP in which models relied heavily on word embeddings in many different tasks. In this paper, a model is proposed based on using Bidirectional LSTM/CRF with word embeddings to perform named…

计算与语言 · 计算机科学 2025-03-20 Omar E. Rakha , Hazem M. Abbas

We begin by introducing the Computer Science branch of Natural Language Processing, then narrowing the attention on its subbranch of Information Extraction and particularly on Named Entity Recognition, discussing briefly its main…

计算与语言 · 计算机科学 2013-10-09 Flavio Massimiliano Cecchini , Elisabetta Fersini

We address the task of entity-relationship (E-R) retrieval, i.e, given a query characterizing types of two or more entities and relationships between them, retrieve the relevant tuples of related entities. Answering E-R queries requires…

信息检索 · 计算机科学 2017-10-20 Pedro Saleiro , Natasa Milic-Frayling , Eduarda Mendes Rodrigues , Carlos Soares

Most state-of-the-art approaches for named-entity recognition (NER) use semi supervised information in the form of word clusters and lexicons. Recently neural network-based language models have been explored, as they as a byproduct generate…

计算与语言 · 计算机科学 2014-04-23 Alexandre Passos , Vineet Kumar , Andrew McCallum

Word embeddings have made enormous inroads in recent years in a wide variety of text mining applications. In this paper, we explore a word embedding-based architecture for predicting the relevance of a role between two financial entities…

计算与语言 · 计算机科学 2017-04-20 Mayank Kejriwal

Document-level relation extraction (DocRE) poses the challenge of identifying relationships between entities within a document as opposed to the traditional RE setting where a single sentence is input. Existing approaches rely on logical…

信息检索 · 计算机科学 2024-01-23 Monika Jain , Raghava Mutharaju , Ramakanth Kavuluru , Kuldeep Singh

Forms are a widespread type of template-based document used in a great variety of fields including, among others, administration, medicine, finance, or insurance. The automatic extraction of the information included in these documents is…

计算与语言 · 计算机科学 2021-12-15 María Villota , César Domínguez , Jónathan Heras , Eloy Mata , Vico Pascual