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Structured information about entities is critical for many semantic parsing tasks. We present an approach that uses a Graph Neural Network (GNN) architecture to incorporate information about relevant entities and their relations during…

计算与语言 · 计算机科学 2019-09-27 Peter Shaw , Philip Massey , Angelica Chen , Francesco Piccinno , Yasemin Altun

This paper addresses the problems of missing reasoning chains and insufficient entity-level semantic understanding in large language models when dealing with tasks that require structured knowledge. It proposes a fine-tuning algorithm…

计算与语言 · 计算机科学 2025-08-21 Wuyang Zhang , Yexin Tian , Xiandong Meng , Mengjie Wang , Junliang Du

Event detection (ED), a key subtask of information extraction, aims to recognize instances of specific event types in text. Previous studies on the task have verified the effectiveness of integrating syntactic dependency into graph…

计算与语言 · 计算机科学 2020-09-30 Shiyao Cui , Bowen Yu , Tingwen Liu , Zhenyu Zhang , Xuebin Wang , Jinqiao Shi

We propose Factual News Graph (FANG), a novel graphical social context representation and learning framework for fake news detection. Unlike previous contextual models that have targeted performance, our focus is on representation learning.…

社会与信息网络 · 计算机科学 2020-10-09 Van-Hoang Nguyen , Kazunari Sugiyama , Preslav Nakov , Min-Yen Kan

Over the last few years, machine learning over graph structures has manifested a significant enhancement in text mining applications such as event detection, opinion mining, and news recommendation. One of the primary challenges in this…

计算与语言 · 计算机科学 2019-11-26 Kayvan Bijari , Hadi Zare , Emad Kebriaei , Hadi Veisi

Detecting events and classifying them into predefined types is an important step in knowledge extraction from natural language texts. While the neural network models have generally led the state-of-the-art, the differences in performance…

计算与语言 · 计算机科学 2018-08-28 J. Walker Orr , Prasad Tadepalli , Xiaoli Fern

Structural data well exists in Web applications, such as social networks in social media, citation networks in academic websites, and threads data in online forums. Due to the complex topology, it is difficult to process and make use of the…

信息检索 · 计算机科学 2022-05-12 Juntao Tan , Shijie Geng , Zuohui Fu , Yingqiang Ge , Shuyuan Xu , Yunqi Li , Yongfeng Zhang

Event Detection, which aims to identify and classify mentions of event instances from unstructured articles, is an important task in Natural Language Processing (NLP). Existing techniques for event detection only use homogeneous one-hot…

计算与语言 · 计算机科学 2022-11-03 Anran Hao , Siu Cheung Hui , Jian Su

The key to the text classification task is language representation and important information extraction, and there are many related studies. In recent years, the research on graph neural network (GNN) in text classification has gradually…

计算与语言 · 计算机科学 2022-09-16 Shuai Hua , Xinxin Li , Yunpeng Jing , Qunfeng Liu

Semantic type mismatch between a noun and its context is central to coercion phenomena. This paper introduces a graph-based method to examine how lexical and contextual type information is reflected in word embeddings. We select nouns from…

计算与语言 · 计算机科学 2026-05-25 Long Chen , Deniz Ekin Yavas

Event extraction is a classic task in natural language processing with wide use in handling large amount of yet rapidly growing financial, legal, medical, and government documents which often contain multiple events with their elements…

计算与语言 · 计算机科学 2021-09-07 Kaihao Guo , Tianpei Jiang , Haipeng Zhang

Increasing amounts of freely available data both in textual and relational form offers exploration of richer document representations, potentially improving the model performance and robustness. An emerging problem in the modern era is fake…

计算与语言 · 计算机科学 2022-02-16 Boshko Koloski , Timen Stepišnik-Perdih , Marko Robnik-Šikonja , Senja Pollak , Blaž Škrlj

The best performing learning algorithms devised for event cameras work by first converting events into dense representations that are then processed using standard CNNs. However, these steps discard both the sparsity and high temporal…

计算机视觉与模式识别 · 计算机科学 2022-11-02 Simon Schaefer , Daniel Gehrig , Davide Scaramuzza

Knowledge graphs can represent information about the real-world using entities and their relations in a structured and semantically rich manner and they enable a variety of downstream applications such as question-answering, recommendation…

计算与语言 · 计算机科学 2023-05-16 Hanieh Khorashadizadeh , Nandana Mihindukulasooriya , Sanju Tiwari , Jinghua Groppe , Sven Groppe

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…

计算与语言 · 计算机科学 2024-11-26 Junliang Du , Guiran Liu , Jia Gao , Xiaoxuan Liao , Jiacheng Hu , Linxiao Wu

Performing fact verification based on structured data is important for many real-life applications and is a challenging research problem, particularly when it involves both symbolic operations and informal inference based on language…

人工智能 · 计算机科学 2021-09-14 Xiaoyu Yang , Feng Nie , Yufei Feng , Quan Liu , Zhigang Chen , Xiaodan Zhu

Estimating the software projects' efforts developed by agile methods is important for project managers or technical leads. It provides a summary as a first view of how many hours and developers are required to complete the tasks. There are…

软件工程 · 计算机科学 2022-03-15 Hung Phan , Ali Jannesari

Fact checking aims to predict claim veracity by reasoning over multiple evidence pieces. It usually involves evidence retrieval and veracity reasoning. In this paper, we focus on the latter, reasoning over unstructured text and structured…

计算与语言 · 计算机科学 2024-02-21 Haisong Gong , Weizhi Xu , Shu wu , Qiang Liu , Liang Wang

In this paper, we propose a novel method for question answering over knowledge graphs based on graph-to-segment mapping, designed to improve the understanding of natural language questions. Our approach is grounded in semantic parsing, a…

计算与语言 · 计算机科学 2025-09-03 Sijia Wei , Wenwen Zhang , Qisong Li , Jiang Zhao

Real-world graph typically evolve via a series of events, modeling dynamic interactions between objects across various domains. For dynamic graph learning, dynamic graph neural networks (DGNNs) have emerged as popular solutions. Recently,…

机器学习 · 计算机科学 2026-05-22 Xingtong Yu , Ruijuan Liang , Renhe Jiang , Dongyuan Li , Yunxiao Zhao , Xinming Zhang , Yuan Fang