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  • Article
  • Open Access

Spatio-Temporal and Semantic Dual-Channel Contrastive Alignment for POI Recommendation

  • Chong Bu,
  • Yujie Liu,
  • Jing Lu,
  • Manqi Huang,
  • Maoyi Li and
  • Jiarui Li

Point-of-Interest (POI) recommendation predicts users’ future check-ins based on their historical trajectories and plays a key role in location-based services (LBS). Traditional approaches such as collaborative filtering and matrix factorizatio...

  • Article
  • Open Access
44 Views
27 Pages

A Tabular Data Imputation Technique Using Transformer and Convolutional Neural Networks

  • Charlène Béatrice Bridge-Nduwimana,
  • Salah Eddine El Harrauss,
  • Aziza El Ouaazizi and
  • Majid Benyakhlef

Upstream processes strongly influence downstream analysis in sequential data-processing workflows, particularly in machine learning, where data quality directly affects model performance. Conventional statistical imputations often fail to capture non...

  • Systematic Review
  • Open Access
100 Views
93 Pages

Background: Retrieval-augmented generation (RAG) aims to reduce hallucinations and outdated knowledge by grounding LLM outputs in retrieved evidence, but empirical results are scattered across tasks, systems, and metrics, limiting cumulative insight....

  • Article
  • Open Access
121 Views
14 Pages

Identifying New Promising Research Directions with Open Peer Reviews and Contextual Top2Vec

  • Dmitry Devyatkin,
  • Ilya V. Sochenkov,
  • Dmitrii Popov,
  • Denis Zubarev,
  • Anastasia Ryzhova,
  • Fyodor Abanin and
  • Oleg Grigoriev

The reliable and early detection of promising research directions is of great practical importance, especially in cases of limited resources. It enables researchers, funding experts, and science authorities to focus their efforts effectively. Althoug...

  • Review
  • Open Access
85 Views
37 Pages

In wireless communication, information security, and anti-interference technology, modulation recognition of frequency-hopping signals has always been a key technique. Its widespread application in satellite communications, military communications, a...

  • Article
  • Open Access
335 Views
22 Pages

Stock trading faces significant challenges due to market volatility and the complexity of integrating diverse data sources, such as financial texts and numerical market data. This paper proposes an innovative automated trading system that integrates...

  • Article
  • Open Access
220 Views
23 Pages

Confidence-Guided Code Recognition for Shipping Containers Using Deep Learning

  • Sanele Hlabisa,
  • Ray Leroy Khuboni and
  • Jules-Raymond Tapamo

Shipping containers are vital to the transportation industry due to their cost-effectiveness and compatibility with intermodal systems. With the significant increase in container usage since the mid-20th century, manual tracking at port terminals has...

  • Article
  • Open Access
256 Views
49 Pages

This work represents the natural continuation of the development of the cognitive architecture developed and named Sophimatics, organically integrating the spatio-temporal processing mechanisms of the Super Time Cognitive Neural Network (STCNN) with...

  • Article
  • Open Access
240 Views
20 Pages

Sentence-Level Rhetorical Role Labeling in Judicial Decisions

  • Gergely Márk Csányi,
  • István Üveges,
  • Dorina Lakatos,
  • Dóra Ripszám,
  • Kornélia Kozák,
  • Dániel Nagy and
  • János Pál Vadász

This paper presents an in-production Rhetorical Role Labeling (RRL) classifier developed for Hungarian judicial decisions. RRL is a sequential classification problem in Natural Language Processing, aiming to assign functional roles (such as facts, ar...

  • Article
  • Open Access
218 Views
24 Pages

Federated learning has gained popularity in recent years to enhance IoT security because the model allows decentralized devices to collaboratively learn a shared model without exchanging raw data. Despite its privacy advantages, federated learning is...

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Big Data Cogn. Comput. - ISSN 2504-2289