A novel topic clustering algorithm based on graph neural network for question topic diversity

Y Wu, X Wang, W Zhao, X Lv - Information Sciences, 2023 - Elsevier
In community question answering, many questions have no topic labeling or the topic
labeling is very diverse, which has become the biggest obstacle to building the bridge …

[HTML][HTML] Identifying chronological and coherent information threads using 5W1H questions and temporal relationships

H Narvala, G McDonald, I Ounis - Information Processing & Management, 2023 - Elsevier
Due to the massive volume of articles produced online every day, it is challenging for online
platforms (eg, news agencies) to present the information about an event, activity or …

A decision support method for credit risk based on the dynamic Bayesian network

J Lu, D Wu, J Dong, A Dolgui - Industrial Management & Data …, 2023 - emerald.com
Purpose Credit risk evaluation is a crucial task for banks and non-bank financial institutions
to support decision-making on granting loans. Most of the current credit risk methods rely …

rHDP: An Aspect Sharing-Enhanced Hierarchical Topic Model for Multi-Domain Corpus

Y Zhang, C Wan, K Xiao, Q Wan, D Liu… - ACM Transactions on …, 2023 - dl.acm.org
Learning topic hierarchies from a multi-domain corpus is crucial in topic modeling as it
reveals valuable structural information embedded within documents. Despite the extensive …

MHRN: A Multimodal Hierarchical Reasoning Network for Topic Detection

J Li, Y Wang, W Li - IEEE Transactions on Multimedia, 2024 - ieeexplore.ieee.org
Multimodal topic detection is an important social media analysis task with a wide variety of
real-world applications. However, modeling data jointly, and inferring their topics, is …

Specious Sites: Tracking the Spread and Sway of Spurious News Stories at Scale

HWA Hanley, D Kumar, Z Durumeric - arXiv preprint arXiv:2308.02068, 2023 - arxiv.org
Misinformation, propaganda, and outright lies proliferate on the web, with some narratives
having dangerous real-world consequences on public health, elections, and individual …

[HTML][HTML] Extracting key topics from massive COVID-19 information on social networks: An integrated deep learning and LDA framework

D Li, Z Bi, X Han, Z Qu, C Lyu - High-Confidence Computing, 2024 - Elsevier
Quickly discovering and processing unmeaningful information is especially important in the
current social network, where public opinion is rapidly fermenting. In this study, a novel topic …

Lifelong topic modeling with knowledge-enhanced adversarial network

X Zhang, Y Rao, Q Li - World Wide Web, 2022 - Springer
Lifelong topic modeling has attracted much attention in natural language processing (NLP),
since it can accumulate knowledge learned from past for the future task. However, the …

Hierarchical Neural Topic Model with Embedding Cluster and Neural Variational Inference

N Wang, D Wang, T Jiang, C Du, C Fang… - Proceedings of the 2023 …, 2023 - SIAM
Compared to flat topic models, hierarchical topic models not only exploit inherent structural
information in the corpus but detect better semantic topics with the help of hierarchy …

Détection et suivi d'événements dans des documents de presse historiques

G Bernard - 2022 - theses.hal.science
Les campagnes actuelles de numérisation de documents historiques issus de fonds
documentaires du monde entier ouvrent de nouvelles voies aux historiens, historiennes et …