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The paper proposes a method of financial time series forecasting taking into account the semantics of news. For the semantic analysis of financial news the sampling of negative and positive words in economic sense was formed based on…

综合金融 · 定量金融 2017-05-25 Kateryna Kononova , Anton Dek

Large-scale relational learning becomes crucial for handling the huge amounts of structured data generated daily in many application domains ranging from computational biology or information retrieval, to natural language processing. In…

机器学习 · 计算机科学 2013-03-22 Xavier Glorot , Antoine Bordes , Jason Weston , Yoshua Bengio

Although Graph Neural Networks (GNNs) have become the dominant approach for graph representation learning, their performance on link prediction tasks does not always surpass that of traditional heuristic methods such as Common Neighbors and…

社会与信息网络 · 计算机科学 2025-12-25 Lei Wang , Darong Lai

Accurately predicting the possible behaviors of traffic participants is an essential capability for autonomous vehicles. Since autonomous vehicles need to navigate in dynamically changing environments, they are expected to make accurate…

机器人学 · 计算机科学 2022-11-15 Yeping Hu , Wei Zhan , Masayoshi Tomizuka

Graph neural networks trained to predict observable dynamics can be used to decompose the temporal activity of complex heterogeneous systems into simple, interpretable representations. Here we apply this framework to simulated neural…

神经元与认知 · 定量生物学 2026-02-17 Cédric Allier , Larissa Heinrich , Magdalena Schneider , Stephan Saalfeld

Understanding and interacting with everyday physical scenes requires rich knowledge about the structure of the world, represented either implicitly in a value or policy function, or explicitly in a transition model. Here we introduce a new…

Learning how to predict future events from patterns of past events is difficult when the set of possible event types is large. Training an unrestricted neural model might overfit to spurious patterns. To exploit domain-specific knowledge of…

机器学习 · 计算机科学 2020-08-18 Hongyuan Mei , Guanghui Qin , Minjie Xu , Jason Eisner

Prior work has proposed effective methods to learn event representations that can capture syntactic and semantic information over text corpus, demonstrating their effectiveness for downstream tasks such as script event prediction. On the…

人工智能 · 计算机科学 2020-06-25 Xiao Ding , Kuo Liao , Ting Liu , Zhongyang Li , Junwen Duan

Graph neural networks (GNNs) are powerful tools for handling graph-structured data. However, their design often limits them to learning only higher-order feature interactions, leaving low-order feature interactions overlooked. To address…

机器学习 · 计算机科学 2024-06-14 Minkyu Kim , Hyun-Soo Choi , Jinho Kim

Predicting disease states from functional brain connectivity is critical for the early diagnosis of severe neurodegenerative diseases such as Alzheimer's Disease and Parkinson's Disease. Existing studies commonly employ Graph Neural…

机器学习 · 计算机科学 2025-04-22 David Yang , Mostafa Abdelmegeed , John Modl , Minjeong Kim

Traditional Graph Neural Network (GNN) approaches for fake news detection (FND) often depend on auxiliary, non-textual data such as user interaction histories or content dissemination patterns. However, these data sources are not always…

机器学习 · 计算机科学 2025-02-27 Anantram Patel , Vijay Kumar Sutrakar

In this work, we propose a methodology for investigating the use of semantic attention to enhance the explainability of Graph Neural Network (GNN)-based models. Graph Deep Learning (GDL) has emerged as a promising field for tasks like scene…

机器学习 · 计算机科学 2023-10-24 Efimia Panagiotaki , Daniele De Martini , Lars Kunze

Developing models that can learn to reason is a notoriously challenging problem. We focus on reasoning in relational domains, where the use of Graph Neural Networks (GNNs) seems like a natural choice. However, previous work has shown that…

人工智能 · 计算机科学 2025-03-03 Irtaza Khalid , Steven Schockaert

Recently, progress has been made towards improving relational reasoning in machine learning field. Among existing models, graph neural networks (GNNs) is one of the most effective approaches for multi-hop relational reasoning. In fact,…

计算与语言 · 计算机科学 2019-02-05 Hao Zhu , Yankai Lin , Zhiyuan Liu , Jie Fu , Tat-seng Chua , Maosong Sun

Knowledge is captured in the form of entities and their relationships and stored in knowledge graphs. Knowledge graphs enhance the capabilities of applications in many different areas including Web search, recommendation, and natural…

机器学习 · 计算机科学 2021-03-31 Kalpa Gunaratna , Yu Wang , Hongxia Jin

Event schemas encode knowledge of stereotypical structures of events and their connections. As events unfold, schemas are crucial to act as a scaffolding. Previous work on event schema induction focuses either on atomic events or linear…

人工智能 · 计算机科学 2022-05-02 Manling Li , Sha Li , Zhenhailong Wang , Lifu Huang , Kyunghyun Cho , Heng Ji , Jiawei Han , Clare Voss

Recent years have witnessed the significant damage caused by various types of fake news. Although considerable effort has been applied to address this issue and much progress has been made on detecting fake news, most existing approaches…

社会与信息网络 · 计算机科学 2021-08-11 Yi Han , Amila Silva , Ling Luo , Shanika Karunasekera , Christopher Leckie

Traditional text embedding benchmarks primarily evaluate embedding models' capabilities to capture semantic similarity. However, more advanced NLP tasks require a deeper understanding of text, such as safety and factuality. These tasks…

计算与语言 · 计算机科学 2025-03-05 Simeng Han , Frank Palma Gomez , Tu Vu , Zefei Li , Daniel Cer , Hansi Zeng , Chris Tar , Arman Cohan , Gustavo Hernandez Abrego

Script event prediction aims to predict the subsequent event given the context. This requires the capability to infer the correlations between events. Recent works have attempted to improve event correlation reasoning by using pretrained…

计算与语言 · 计算机科学 2022-12-12 Fangqi Zhu , Jun Gao , Changlong Yu , Wei Wang , Chen Xu , Xin Mu , Min Yang , Ruifeng Xu

Sentence order prediction is the task of finding the correct order of sentences in a randomly ordered document. Correctly ordering the sentences requires an understanding of coherence with respect to the chronological sequence of events…

计算与语言 · 计算机科学 2021-09-07 Deepanway Ghosal , Navonil Majumder , Rada Mihalcea , Soujanya Poria
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