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Extraction from raw text to a knowledge base of entities and fine-grained types is often cast as prediction into a flat set of entity and type labels, neglecting the rich hierarchies over types and entities contained in curated ontologies.…

Computation and Language · Computer Science 2018-07-16 Shikhar Murty* , Patrick Verga* , Luke Vilnis , Irena Radovanovic , Andrew McCallum

Although numerous recent tracking approaches have made tremendous advances in the last decade, achieving high-performance visual tracking remains a challenge. In this paper, we propose an end-to-end network model to learn reinforced…

Computer Vision and Pattern Recognition · Computer Science 2020-01-03 Peng Gao , Qiquan Zhang , Fei Wang , Liyi Xiao , Hamido Fujita , Yan Zhang

Semantic entity recognition is an important task in the field of visually-rich document understanding. It distinguishes the semantic types of text by analyzing the position relationship between text nodes and the relation between text…

Artificial Intelligence · Computer Science 2024-07-10 Qiwei Li , Zuchao Li , Ping Wang , Haojun Ai , Hai Zhao

This study proposed a knowledge graph entity extraction and relationship reasoning algorithm based on a graph neural network, using a graph convolutional network and graph attention network to model the complex structure in the knowledge…

Computation and Language · Computer Science 2024-11-26 Junliang Du , Guiran Liu , Jia Gao , Xiaoxuan Liao , Jiacheng Hu , Linxiao Wu

Document-level Relation Extraction (RE) requires extracting relations expressed within and across sentences. Recent works show that graph-based methods, usually constructing a document-level graph that captures document-aware interactions,…

Computation and Language · Computer Science 2021-06-08 Damai Dai , Jing Ren , Shuang Zeng , Baobao Chang , Zhifang Sui

Unconstrained handwritten text recognition remains challenging for computer vision systems. Paragraph text recognition is traditionally achieved by two models: the first one for line segmentation and the second one for text line…

Computer Vision and Pattern Recognition · Computer Science 2022-01-28 Denis Coquenet , Clément Chatelain , Thierry Paquet

Classifying semantic relations between entity pairs in sentences is an important task in Natural Language Processing (NLP). Most previous models for relation classification rely on the high-level lexical and syntactic features obtained by…

Computation and Language · Computer Science 2020-10-07 Joohong Lee , Sangwoo Seo , Yong Suk Choi

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 proposes a structure-aware decoding method based on large language models to address the difficulty of traditional approaches in maintaining both semantic integrity and structural consistency in nested and overlapping entity…

Computation and Language · Computer Science 2026-01-29 Zhimin Qiu , Di Wu , Feng Liu , Yuxiao Wang

Sequence modeling has demonstrated state-of-the-art performance on natural language and document understanding tasks. However, it is challenging to correctly serialize tokens in form-like documents in practice due to their variety of layout…

Computation and Language · Computer Science 2022-03-25 Chen-Yu Lee , Chun-Liang Li , Timothy Dozat , Vincent Perot , Guolong Su , Nan Hua , Joshua Ainslie , Renshen Wang , Yasuhisa Fujii , Tomas Pfister

When extracting information from handwritten documents, text transcription and named entity recognition are usually faced as separate subsequent tasks. This has the disadvantage that errors in the first module affect heavily the performance…

Computer Vision and Pattern Recognition · Computer Science 2018-03-23 Manuel Carbonell , Mauricio Villegas , Alicia Fornés , Josep Lladós

Knowledge graphs have emerged as an important model for studying complex multi-relational data. This has given rise to the construction of numerous large scale but incomplete knowledge graphs encoding information extracted from various…

Machine Learning · Computer Science 2018-07-24 Rakshit Trivedi , Bunyamin Sisman , Jun Ma , Christos Faloutsos , Hongyuan Zha , Xin Luna Dong

Document structure extraction has been a widely researched area for decades. Recent work in this direction has been deep learning-based, mostly focusing on extracting structure using fully convolution NN through semantic segmentation. In…

Computer Vision and Pattern Recognition · Computer Science 2021-07-12 Milan Aggarwal , Mausoom Sarkar , Hiresh Gupta , Balaji Krishnamurthy

Neural relation extraction discovers semantic relations between entities from unstructured text using deep learning methods. In this study, we present a comprehensive review of methods on neural network based relation extraction. We discuss…

Computation and Language · Computer Science 2020-07-09 Mehmet Aydar , Ozge Bozal , Furkan Ozbay

Frame semantic parsing is a semantic analysis task based on FrameNet which has received great attention recently. The task usually involves three subtasks sequentially: (1) target identification, (2) frame classification and (3) semantic…

Computation and Language · Computer Science 2021-09-28 Zhichao Lin , Yueheng Sun , Meishan Zhang

Named Entity Recognition seeks to extract substrings within a text that name real-world objects and to determine their type (for example, whether they refer to persons or organizations). In this survey, we first present an overview of…

Computation and Language · Computer Science 2024-12-23 Imed Keraghel , Stanislas Morbieu , Mohamed Nadif

In this study, a novel method for extracting named entities and relations from unstructured text based on the table representation is presented. By using contextualized word embeddings, the proposed method computes representations for…

Computation and Language · Computer Science 2022-01-28 Youmi Ma , Tatsuya Hiraoka , Naoaki Okazaki

Entity Recognition (ER) within a text is a fundamental exercise in Natural Language Processing, enabling further depending tasks such as Knowledge Extraction, Text Summarisation, or Keyphrase Extraction. An entity consists of single words…

Computation and Language · Computer Science 2021-06-14 Andreas Waldis , Luca Mazzola

This paper focuses on the study of recognizing discontiguous entities. Motivated by a previous work, we propose to use a novel hypergraph representation to jointly encode discontiguous entities of unbounded length, which can overlap with…

Computation and Language · Computer Science 2020-05-28 Aldrian Obaja Muis , Wei Lu

This paper introduces a novel convolutional neural networks (CNN) framework tailored for end-to-end audio deep learning models, presenting advancements in efficiency and explainability. By benchmarking experiments on three standard speech…

Sound · Computer Science 2024-05-06 Linh Vu , Thu Tran , Wern-Han Lim , Raphael Phan