Knowledge Engineering and Data Mining, 3rd Edition

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Computer Science & Engineering".

Deadline for manuscript submissions: closed (15 April 2025) | Viewed by 2673

Special Issue Editors


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Guest Editor
Faculty of Computer Science and Information Technology, West Pomeranian University of Technology Szczecin, Zolnierska 49, 71-210 Szczecin, Poland
Interests: ontology; knowledge representation; semantic web technologies; OWL; RDF; knowledge engineering; knowledge bases; knowledge management; reasoning; information extraction; ontology learning; sustainability; sustainability assessment; ontology evaluation
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Institute of Computer Science, Faculty of Science and Technology, University of Silesia, ul. Będzińska 39, 41-200 Sosnowiec, Poland
Interests: knowledge representation and reasoning; rule-based knowledge bases; outliers mining; expert systems; decision support systems; information retrieval systems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Extracting knowledge from data is a fundamental process in the creation of intelligent information retrieval systems, decision support, and knowledge management. This Special Issue welcomes the submission of research that addresses data mining methods, multidimensional data analysis, supervised and unsupervised learning methods, methods of knowledge base management, language ontologies, ontology learning, and others. We encourage you to present novel algorithms and work on practical solutions, i.e., applications/systems presenting the real-world application of the proposed research achievements.

The Special Issue covers the entire process of knowledge engineering, from data acquisition and data mining to knowledge extraction and exploitation. This Special Issue therefore encourages researchers to contribute to a collective effort that promotes the comprehension of trends and future questions in the field of knowledge engineering and data mining. Topics include, but are not limited to, the following:

  • knowledge acquisition and engineering;
  • data mining methods;
  • big knowledge analytics;
  • data mining, knowledge discovery, and machine learning;
  • knowledge modeling and processing;
  • knowledge acquisition and engineering;
  • query and natural language processing;
  • data and information modeling;
  • data and information semantics;
  • data-intensive applications;
  • knowledge representation and reasoning;
  • decision support systems;
  • decision-making;
  • group decision-making;
  • rules mining;
  • outliers mining;
  • data exploration;
  • data science;
  • semantic web data and linked data;
  • ontologies and controlled vocabularies;
  • data acquisition;
  • multidimensional data analysis;
  • artificial intelligence and knowledge management;
  • knowledge representation in artificial intelligence;
  • supervised and unsupervised learning methods;
  • parallel processing and modeling;
  • languages based on parallel programming and data mining.

Dr. Agnieszka Konys
Prof. Dr. Agnieszka Nowak-Brzezińska
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Electronics is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • knowledge engineering
  • knowledge representation and reasoning
  • decision support systems
  • knowledge acquisition
  • outliers mining
  • decision making
  • data mining
  • data science
  • data exploration
  • multidimensional data analysis
  • supervised and unsupervised learning methods
  • ontology
  • knowledge-based systems
  • ontology learning
  • artificial intelligence
  • knowledge management
  • methods of knowledge base management
  • parallel processing and modeling
  • languages based on parallel programming and data mining

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Published Papers (3 papers)

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Research

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18 pages, 447 KiB  
Article
A k-Means Algorithm with Automatic Outlier Detection
by Guojun Gan
Electronics 2025, 14(9), 1723; https://doi.org/10.3390/electronics14091723 - 23 Apr 2025
Viewed by 86
Abstract
Data clustering is a fundamental machine learning task found in many real-world applications. However, real data usually contain noise or outliers. Handling outliers in a clustering algorithm can improve the clustering accuracy. In this paper, we propose a variant of the k-means [...] Read more.
Data clustering is a fundamental machine learning task found in many real-world applications. However, real data usually contain noise or outliers. Handling outliers in a clustering algorithm can improve the clustering accuracy. In this paper, we propose a variant of the k-means algorithm to provide data clustering and outlier detection simultaneously. In the proposed algorithm, outlier detection is integrated with the clustering process and is achieved via a term added to the objective function of the k-means algorithm. The proposed algorithm generates two partition matrices: one provides cluster groups and the other can be used to detect outliers. We use both synthetic data and real data to demonstrate the effectiveness and efficiency of the proposed algorithm and show that the clustering performance of the proposed approach is better than other, similar methods. Full article
(This article belongs to the Special Issue Knowledge Engineering and Data Mining, 3rd Edition)
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17 pages, 692 KiB  
Article
Modeling Investment Decisions Through Decision Tree Regression—A Behavioral Finance Theory Approach
by Dana Rad, Lavinia Denisia Cuc, Gabriel Croitoru, Bogdan Cosmin Gomoi, Luminița Mazuru, Raluca Simina Bilți, Sergiu Rusu, Maria Sinaci and Florentina Simona Barbu
Electronics 2025, 14(8), 1505; https://doi.org/10.3390/electronics14081505 - 9 Apr 2025
Viewed by 305
Abstract
This study examines the key factors influencing investment decisions through decision tree regression, grounded in behavioral finance theory. By analyzing a comprehensive dataset incorporating behavioral, demographic, and financial variables—including investment attitudes, decision-making behaviors, financial education, age, income, and education—this study identifies significant predictors [...] Read more.
This study examines the key factors influencing investment decisions through decision tree regression, grounded in behavioral finance theory. By analyzing a comprehensive dataset incorporating behavioral, demographic, and financial variables—including investment attitudes, decision-making behaviors, financial education, age, income, and education—this study identifies significant predictors of investment outcomes. While the model shows moderate predictive performance (R2 = 0.185; MAPE = 172.96%), it identifies hierarchical relationships among behavioral, cognitive, and demographic predictors. These results highlight the complexity of investment decisions and the need for integrative, behavioral-driven approaches in predictive modeling. Investment attitudes (25.88%), decision-making behaviors (19.53%), and financial education (16.68%) emerge as the most influential variables, while traditional demographic factors such as income and age have a lower impact. The hierarchical structure of the decision tree highlights critical decision-making patterns, particularly regarding speculative behaviors and investment attitudes. These findings challenge classical models of rationality by emphasizing the dominant role of behavioral factors in investment decision making. This study contributes to bridging computational modeling with financial economics, demonstrating the utility of decision tree regression in uncovering complex investor behavior. Practical implications include enhancing personalized financial advisory services and designing targeted financial literacy programs to improve decision-making efficiency. These insights, while exploratory, can guide future research and decision-support systems in behavioral finance. Full article
(This article belongs to the Special Issue Knowledge Engineering and Data Mining, 3rd Edition)
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Review

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33 pages, 1322 KiB  
Review
Outlier Detection in Streaming Data for Telecommunications and Industrial Applications: A Survey
by Roland N. Mfondoum, Antoni Ivanov, Pavlina Koleva, Vladimir Poulkov and Agata Manolova
Electronics 2024, 13(16), 3339; https://doi.org/10.3390/electronics13163339 - 22 Aug 2024
Cited by 1 | Viewed by 1928
Abstract
Streaming data are present all around us. From traditional radio systems streaming audio to today’s connected end-user devices constantly sending information or accessing services, data are flowing constantly between nodes across various networks. The demand for appropriate outlier detection (OD) methods in the [...] Read more.
Streaming data are present all around us. From traditional radio systems streaming audio to today’s connected end-user devices constantly sending information or accessing services, data are flowing constantly between nodes across various networks. The demand for appropriate outlier detection (OD) methods in the fields of fault detection, special events detection, and malicious activities detection and prevention is not only persistent over time but increasing, especially with the recent developments in Telecommunication systems such as Fifth Generation (5G) networks facilitating the expansion of the Internet of Things (IoT). The process of selecting a computationally efficient OD method, adapted for a specific field and accounting for the existence of empirical data, or lack thereof, is non-trivial. This paper presents a thorough survey of OD methods, categorized by the applications they are implemented in, the basic assumptions that they use according to the characteristics of the streaming data, and a summary of the emerging challenges, such as the evolving structure and nature of the data and their dimensionality and temporality. A categorization of commonly used datasets in the context of streaming data is produced to aid data source identification for researchers in this field. Based on this, guidelines for OD method selection are defined, which consider flexibility and sample size requirements and facilitate the design of such algorithms in Telecommunications and other industries. Full article
(This article belongs to the Special Issue Knowledge Engineering and Data Mining, 3rd Edition)
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