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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
5 Citations
11,292 Views
17 Pages

The rapid advancements in artificial intelligence (AI) have significantly transformed various domains, including education, by introducing innovative tools that reshape teaching and learning processes. This research investigates the perceptions and a...

  • Article
  • Open Access
1 Citations
1,275 Views
20 Pages

Machine Learning-Based Classification of Sulfide Mineral Spectral Emission in High Temperature Processes

  • Carlos Toro,
  • Walter Díaz,
  • Gonzalo Reyes,
  • Miguel Peña,
  • Nicolás Caselli,
  • Carla Taramasco,
  • Pablo Ormeño-Arriagada and
  • Eduardo Balladares

Accurate classification of sulfide minerals during combustion is essential for optimizing pyrometallurgical processes such as flash smelting, where efficient combustion impacts resource utilization, energy efficiency, and emission control. This study...

  • Article
  • Open Access
1 Citations
1,665 Views
21 Pages

Identifying Influential Nodes in Complex Networks via Transformer with Multi-Scale Feature Fusion

  • Tingshuai Jiang,
  • Yirun Ruan,
  • Tianyuan Yu,
  • Liang Bai and
  • Yifei Yuan

In complex networks, the identification of critical nodes is vital for optimizing information dissemination. Given the significant role of these nodes in network structures, researchers have proposed various identification methods. In recent years, d...

  • Review
  • Open Access
2 Citations
3,134 Views
21 Pages

Quality control and predictive maintenance are two essential pillars of Industry 4.0, aiming to optimize production, reduce operational costs, and enhance system reliability. Real-time visual inspection ensures early detection of manufacturing defect...

  • Article
  • Open Access
1 Citations
1,380 Views
18 Pages

Rail Surface Defect Diagnosis Based on Image–Vibration Multimodal Data Fusion

  • Zhongmei Wang,
  • Shenao Peng,
  • Wenxiu Ao,
  • Jianhua Liu and
  • Changfan Zhang

To address the challenges in existing multi-sensor data fusion methods for rail surface defect diagnosis, particularly their limitations in fully exploiting potential synergistic information among multimodal data and effectively bridging the semantic...

  • Article
  • Open Access
2 Citations
1,818 Views
28 Pages

Introducing a Novel Fast Neighbourhood Component Analysis–Deep Neural Network Model for Enhanced Driver Drowsiness Detection

  • Sama Hussein Al-Gburi,
  • Kanar Alaa Al-Sammak,
  • Ion Marghescu,
  • Claudia Cristina Oprea,
  • Ana-Maria Claudia Drăgulinescu,
  • George Suciu,
  • Khattab M. Ali Alheeti,
  • Nayef A. M. Alduais and
  • Nawar Alaa Hussein Al-Sammak

Driver fatigue is a key factor in road accidents worldwide, requiring effective real-time detection mechanisms. Traditional deep neural network (DNN)-based solutions have shown promising results in detecting drowsiness; however, they are often less s...

  • Article
  • Open Access
3 Citations
1,493 Views
23 Pages

Effectively identifying factors related to user satisfaction is crucial for evaluating customer experience. This study proposes a two-phase analytical framework that combines natural language processing techniques with hierarchical decision-making me...

  • Article
  • Open Access
1,838 Views
19 Pages

Multivariate time series data (MTSD) anomaly detection due to complex spatio-temporal dependencies among sensors and pervasive environmental noise. The existing methods struggle to balance anomaly detection accuracy with robustness against data conta...

  • Article
  • Open Access
6 Citations
3,802 Views
20 Pages

In the era of information explosion, recommendation systems play a crucial role in filtering vast amounts of content for users. Traditional recommendation models leverage knowledge graphs, sentiment analysis, social capital, and generative AI to enha...

  • Article
  • Open Access
1 Citations
2,343 Views
20 Pages

Assessing the Transformation of Armed Conflict Types: A Dynamic Approach

  • Dong Jiang,
  • Jun Zhuo,
  • Peiwei Fan,
  • Fangyu Ding,
  • Mengmeng Hao,
  • Shuai Chen,
  • Jiping Dong and
  • Jiajie Wu

Armed conflict is a dynamic social phenomenon, yet existing research often overlooks its evolving nature. We propose a method to simulate the dynamic transformations of armed conflicts. First, we enhanced the Spatial Conflict Dynamic Indicator (SCDi)...

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Big Data Cogn. Comput. - ISSN 2504-2289