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Big Data and Cognitive Computing, Volume 9, Issue 5

May 2025 - 32 articles

Cover Story: In the context of breast tumor detection and classification using ultrasound images, recent years have seen growing research interest, driven by the intersection of deep learning algorithms and medical image analysis. This article focuses on comparing a traditional, flat, three-class model with a hierarchical, two-tier classification approach, which first distinguishes normal from tumorous tissue and then classifies tumors as benign or malignant. Aimed at rethinking current methodologies, the study evaluates a novel architecture, providing insights for future algorithm development, broader clinical applicability, and the seamless integration of the proposed model into an existing web application for deployment. View this paper
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Articles (32)

  • Article
  • Open Access
2 Citations
8,082 Views
42 Pages

This study presents a comprehensive evaluation of embedding techniques and large language models (LLMs) for Information Retrieval (IR) and question answering (QA) across languages, focusing on English and Italian. We address a significant research ga...

  • Article
  • Open Access
2 Citations
3,657 Views
25 Pages

Polarity of Yelp Reviews: A BERT–LSTM Comparative Study

  • Rachid Belaroussi,
  • Sié Cyriac Noufe,
  • Francis Dupin and
  • Pierre-Olivier Vandanjon

With the rapid growth in social network comments, the need for more effective methods to classify their polarity—negative, neutral, or positive—has become essential. Sentiment analysis, powered by natural language processing, has evolved...

  • Article
  • Open Access
1,506 Views
17 Pages

Tri-Collab: A Machine Learning Project to Leverage Innovation Ecosystems in Portugal

  • Ângelo Marujo,
  • Bruno Afonso,
  • Inês Martins,
  • Lisandro Pires and
  • Sílvia Fernandes

This project consists of a digital platform named Tri-Collab, where investors, entrepreneurs, and other agents (mainly talents) can cooperate on their ideas and eventually co-create. It is a digital means for this triad of actors (among other potenti...

  • Article
  • Open Access
4 Citations
2,634 Views
29 Pages

Harmful algal blooms (HABs), driven by environmental pollution, pose significant threats to water quality, public health, and aquatic ecosystems. This study enhances the prediction of HABs in Lake Erie, part of the Great Lakes system, by utilizing en...

  • Article
  • Open Access
4 Citations
6,391 Views
21 Pages

Low-resource languages remain underserved by contemporary large language models (LLMs) because they lack sizable corpora, bespoke preprocessing tools, and the computing budgets assumed by mainstream alignment pipelines. Focusing on Kazakh, we present...

  • Article
  • Open Access
1 Citations
899 Views
15 Pages

With the development of the marine economy and the increase in marine activities, deep saturation diving has gained significant attention. Helium speech communication is indispensable for saturation diving operations and is a critical technology for...

  • Article
  • Open Access
1 Citations
6,232 Views
20 Pages

Predicting Early Employability of Vietnamese Graduates: Insights from Data-Driven Analysis Through Machine Learning Methods

  • Long-Sheng Chen,
  • Thao-Trang Huynh-Cam,
  • Van-Canh Nguyen,
  • Tzu-Chuen Lu and
  • Dang-Khoa Le-Huynh

Graduate employability remains a crucial challenge for higher education institutions, especially in developing economies. This study investigates the key academic and vocational factors influencing early employment outcomes among recent graduates at...

  • Article
  • Open Access
1,614 Views
35 Pages

Maritime safety is a critical concern for the transport sector and remains a key challenge for the international shipping industry. Recognizing that maritime accidents pose significant risks to both safety and operational efficiency, this study explo...

  • Article
  • Open Access
1 Citations
1,807 Views
26 Pages

The present study proposes adaptive augmented reality (AR) architecture, specifically designed to enhance real-time operator assistance and occupational safety in industrial environments, which is representative of Industry 4.0. The proposed system a...

  • Article
  • Open Access
4 Citations
6,122 Views
25 Pages

This study presents a comparative analysis of several multimodal large language models (LLMs) for no-reference image quality assessment, with a particular focus on images containing authentic distortions. We evaluate three models developed by OpenAI...

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Big Data Cogn. Comput. - ISSN 2504-2289