Knowledge Graphs and Semantic Web Tools in Cyber Threat Intelligence: A Systematic Literature Review. - Bratsas, Charalampos; Anastasiadis, Efstathios Konstantinos; Angelidis, Alexandros K.; Ioannidis, Lazaros; Kotsakis, Rigas; Ougiaroglou, Stefanos (J. Cybersecur. Priv., 2024)

Reduction Through Homogeneous Clustering: Variations for Categorical Data and Fast Data Reduction. - Ougiaroglou, Stefanos; Papadimitriou, Nikolaos; Evangelidis, Georgios (SN Comput. Sci., 2024)

An Empirical Analysis of Data Reduction Techniques for k-NN Classification. - Eleftheriadis, Stylianos; Evangelidis, Georgios; Ougiaroglou, Stefanos (2024)

Simplifying Decision Tree Classification Through the AutoDTrees Web Application and Service. - Zografos, Matthaios; Ougiaroglou, Stefanos (2024)

Automatic Dataset Type Recognition for Association Rule Mining. - Malliaridis, Konstantinos; Ougiaroglou, Stefanos; Dervos, Dimitris A.; Bratsas, Charalampos; Sidiropoulos, Antonis; Diamantaras, Konstantinos I. (2024)

Improving Recommendation Quality in Collaborative Filtering by Including Prediction Confidence Factors. - Sgardelis, Kiriakos; Margaris, Dionisis; Spiliotopoulos, Dimitris; Vassilakis, Costas; Ougiaroglou, Stefanos (2024)

Rating Prediction Quality Enhancement in Low-Density Collaborative Filtering Datasets. - Margaris, Dionisis; Vassilakis, Costas; Spiliotopoulos, Dimitris; Ougiaroglou, Stefanos (Big Data Cogn. Comput., 2023)

kClusterHub: An AutoML-Driven Tool for Effortless Partition-Based Clustering over Varied Data Types. - Gratsos, Konstantinos; Ougiaroglou, Stefanos; Margaris, Dionisis (Future Internet, 2023)

Data reduction via multi-label prototype generation. - Ougiaroglou, Stefanos; Filippakis, Panagiotis; Fotiadou, Georgia; Evangelidis, Georgios (Neurocomputing, 2023)

Prototype Selection for Multilabel Instance-Based Learning. - Filippakis, Panagiotis; Ougiaroglou, Stefanos; Evangelidis, Georgios (Inf., 2023)

Condensed Nearest Neighbour Rules for Multi-Label Datasets. - Filippakis, Panagiotis; Ougiaroglou, Stefanos; Evangelidis, Georgios (2023)

Very fast variations of training set size reduction algorithms for instance-based classification. - Ougiaroglou, Stefanos; Evangelidis, Georgios (2023)

A Web Tool for K-means Clustering. - Gratsos, Konstantinos; Ougiaroglou, Stefanos; Margaris, Dionisis (2023)

Fast Training Set Size Reduction Using Simple Space Partitioning Algorithms. - Ougiaroglou, Stefanos; Mastromanolis, Theodoros; Evangelidis, Georgios; Margaris, Dionisis (Inf., 2022)

Fast data reduction by space partitioning via convex hull and MBR computation. - Giorginis, Thomas; Ougiaroglou, Stefanos; Evangelidis, Georgios; Dervos, Dimitris A. (Pattern Recognit., 2022)

Prototype Generation for Multi-label Nearest Neighbours Classification. - Ougiaroglou, Stefanos; Filippakis, Panagiotis; Evangelidis, Georgios (2021)

Dynamic k determination in k-NN classifier: A literature review. - Papanikolaou, Merkourios; Evangelidis, Georgios; Ougiaroglou, Stefanos (2021)

Prototype Selection and Generation with Minority Classes Preservation. - Xouveroudis, Konstantinos; Ougiaroglou, Stefanos; Evangelidis, Georgios; Dervos, Dimitris A. (2021)

Instance-based classification using prototypes generated from large noisy and streaming datasets. - Ougiaroglou, Stefanos; Dervos, Dimitris A.; Evangelidis, Georgios (Comput. Sci. Inf. Syst., 2020)

Dynamic k-NN Classification Based on Region Homogeneity. - Ougiaroglou, Stefanos; Evangelidis, Georgios; Diamantaras, Konstantinos I. (2020)

WebApriori: A Web Application for Association Rules Mining. - Malliaridis, Konstantinos; Ougiaroglou, Stefanos; Dervos, Dimitris A. (2020)

Improving Data Reduction by Merging Prototypes. - Ponos, Pavlos; Ougiaroglou, Stefanos; Evangelidis, Georgios (2019)

The Effect of Parallelism on Data Reduction. - Ponos, Pavlos; Ougiaroglou, Stefanos; Evangelidis, Georgios (2019)

Fast Tree-Based Classification via Homogeneous Clustering. - Pardis, George; Diamantaras, Konstantinos I.; Ougiaroglou, Stefanos; Evangelidis, Georgios (2019)

Exploring the effect of data reduction on Neural Network and Support Vector Machine classification. - Ougiaroglou, Stefanos; Diamantaras, Konstantinos I.; Evangelidis, Georgios (Neurocomputing, 2018)

Generating Fixed-Size Training Sets for Large and Streaming Datasets. - Ougiaroglou, Stefanos; Arampatzis, Georgios; Dervos, Dimitris A.; Evangelidis, Georgios (2017)

Crowd gaming: Motivating learning with outdoor activities. - Skourti, Stavri; Tzinos, Georgios; Dervos, Dimitris A.; Ougiaroglou, Stefanos (2017)

Efficient editing and data abstraction by finding homogeneous clusters. - Ougiaroglou, Stefanos; Evangelidis, Georgios (Ann. Math. Artif. Intell., 2016)

RHC: a non-parametric cluster-based data reduction for efficient k-NN classification. - Ougiaroglou, Stefanos; Evangelidis, Georgios (Pattern Anal. Appl., 2016)

Efficient Support Vector Machine Classification Using Prototype Selection and Generation. - Ougiaroglou, Stefanos; Diamantaras, Konstantinos I.; Evangelidis, Georgios (2016)

FHC: an adaptive fast hybrid method for k-NN classification. - Ougiaroglou, Stefanos; Evangelidis, Georgios; Dervos, Dimitris A. (Log. J. IGPL, 2015)

Dealing with noisy data in the context of k-NN Classification. - Ougiaroglou, Stefanos; Evangelidis, Georgios (2015)

Algorithms and techniques for efficient and effective nearest neighbours classification - Ougiaroglou, Stefanos (2014)

Efficient $$k$$ k -NN classification based on homogeneous clusters. - Ougiaroglou, Stefanos; Evangelidis, Georgios (Artif. Intell. Rev., 2014)

Efficient data abstraction using weighted IB2 prototypes. - Ougiaroglou, Stefanos; Evangelidis, Georgios (Comput. Sci. Inf. Syst., 2014)

EHC: Non-parametric Editing by Finding Homogeneous Clusters. - Ougiaroglou, Stefanos; Evangelidis, Georgios (2014)

WebDR: A Web Workbench for Data Reduction. - Ougiaroglou, Stefanos; Evangelidis, Georgios (2014)

AIB2: an abstraction data reduction technique based on IB2. - Ougiaroglou, Stefanos; Evangelidis, Georgios (2013)

Applying General-Purpose Data Reduction Techniques for Fast Time Series Classification. - Ougiaroglou, Stefanos; Karamitopoulos, Leonidas; Tatoglou, Christos; Evangelidis, Georgios; Dervos, Dimitrios (2013)

An Extensive Experimental Study on the Cluster-based Reference Set Reduction for speeding-up the k-NN Classifier. - Ougiaroglou, Stefanos; Evangelidis, Georgios; Dervos, Dimitrios (CoRR, 2013)

Efficient dataset size reduction by finding homogeneous clusters. - Ougiaroglou, Stefanos; Evangelidis, Georgios (2012)

An Adaptive Hybrid and Cluster-Based Model for Speeding Up the k-NN Classifier. - Ougiaroglou, Stefanos; Evangelidis, Georgios; Dervos, Dimitrios (2012)

A Simple Noise-Tolerant Abstraction Algorithm for Fast k-NN Classification. - Ougiaroglou, Stefanos; Evangelidis, Georgios (2012)

Association Rules Mining from the Educational Data of ESOG Web-Based Application. - Ougiaroglou, Stefanos; Paschalis, Giorgos (2012)

A Fast Hybrid k-NN Classifier Based on Homogeneous Clusters. - Ougiaroglou, Stefanos; Evangelidis, Georgios (2012)

Fast and Accurate k-Nearest Neighbor Classification Using Prototype Selection by Clustering. - Ougiaroglou, Stefanos; Evangelidis, Georgios (2012)

Occupational Guidance through ELECTRE Method. - Ougiaroglou, Stefanos; Kazanidis, Ioannis (2011)

A fast hybrid classification algorithm based on the minimum distance and the k-NN classifiers. - Ougiaroglou, Stefanos; Evangelidis, Georgios; Dervos, Dimitrios (2011)

Efficient algorithms for constructing broadcast disks programs in asymmetric communication environments. - Tiakas, Eleftherios; Ougiaroglou, Stefanos; Nicopolitidis, Petros (Telecommun. Syst., 2009)

Adaptive k-Nearest-Neighbor Classification Using a Dynamic Number of Nearest Neighbors. - Ougiaroglou, Stefanos; Nanopoulos, Alexandros; Papadopoulos, Apostolos N.; Manolopoulos, Yannis; Welzer-Druzovec, Tatjana (2007)

Efficient broadcast disks program construction in asymmetric communication environments. - Tiakas, Eleftherios; Ougiaroglou, Stefanos; Nicopolitidis, Petros (2007)