Citation Rankings
Highly Cited Researchers

Engineering & Technology / Computer Science Highly Cited Researchers 12 Scientists Citation Rankings - 2025

The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.

* Total Citation Counts Rankings
Ranking Based On Selection: 1
Greece
Spiros Skiadopoulos
data management
big data
knowledge representation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,133
1,323
0.258
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Greece
Athanassios Jimoyiannis|Αθανάσιος Τζιμογιάννης
e-learning
Web 2.0
ICT in education
MOOCs
computer science education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,744
2,061
0.434
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Greece
Ioannis D Moscholios
teletraffic
queueing
simulation
performance evaluation
computer networks
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,117
2,643
0.642
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Greece
Nikolaos D Tselikas
Software Performance Evaluation
Software Engineering
Web Services
Mobile Applications
Middleware
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,101
1,126
0.536
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Greece
Paraskevi Raftopoulou
Big data
Distributed systems
Social networks
Data/Information management/mining
Data mining
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,149
201
0.175
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Greece
Vassilis Poulopoulos
Big Data
Cultural Informatics
Data Mining
Applications
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
905
413
0.456
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Greece
Roumeliotis I Konstantinos
Software Engineering
Applied AI
ML
Natural Language Processing
Large Language Models
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
656
652
0.994
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Greece
Giorgos Poulis
Data privacy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
424
216
0.509
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Greece
Sofia Alevizopoulou
Machine Learning
Deep Learning
Data Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
94
94
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 10
Greece
Orestis Zestas
Computer Vision
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48
48
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Greece
Alexandros Nasiopoulos
IT Analysis
Programming Languages
Business Modelling
Decision Making Systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38
35
0.921
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Greece
Stavros Niafas
Machine Learning
Deep Learning
Computer Vision
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25
15
0.600
* Total Citation Counts Rankings
Rankings
204,072
Greece
1,462
4
Ranking Based On Selection: 1
Spiros Skiadopoulos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,133
1,323
0.258
data management
big data
knowledge representation
* Total Citation Counts Rankings
Rankings
220,142
Greece
1,607
8
Ranking Based On Selection: 2
Athanassios Jimoyiannis|Αθανάσιος Τζιμογιάννης
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,744
2,061
0.434
e-learning
Web 2.0
ICT in education
MOOCs
computer science education
* Total Citation Counts Rankings
Rankings
250,994
Greece
1,905
11
Ranking Based On Selection: 3
Ioannis D Moscholios
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,117
2,643
0.642
teletraffic
queueing
simulation
performance evaluation
computer networks
* Total Citation Counts Rankings
Rankings
433,278
Greece
3,585
25
Ranking Based On Selection: 4
Nikolaos D Tselikas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,101
1,126
0.536
Software Performance Evaluation
Software Engineering
Web Services
Mobile Applications
Middleware
* Total Citation Counts Rankings
Rankings
638,512
Greece
5,305
49
Ranking Based On Selection: 5
Paraskevi Raftopoulou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,149
201
0.175
Big data
Distributed systems
Social networks
Data/Information management/mining
Data mining
* Total Citation Counts Rankings
Rankings
724,284
Greece
5,995
59
Ranking Based On Selection: 6
Vassilis Poulopoulos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
905
413
0.456
Big Data
Cultural Informatics
Data Mining
Applications
* Total Citation Counts Rankings
Rankings
835,559
Greece
6,800
72
Ranking Based On Selection: 7
Roumeliotis I Konstantinos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
656
652
0.994
Software Engineering
Applied AI
ML
Natural Language Processing
Large Language Models
* Total Citation Counts Rankings
Rankings
999,626
Greece
7,607
87
Ranking Based On Selection: 8
Giorgos Poulis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
424
216
0.509
* Total Citation Counts Rankings
Rankings
1,629,207
Greece
10,164
137
Ranking Based On Selection: 9
Sofia Alevizopoulou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
94
94
1.000
* Total Citation Counts Rankings
Rankings
1,859,679
Greece
11,090
163
Ranking Based On Selection: 10
Orestis Zestas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48
48
1.000
* Total Citation Counts Rankings
Rankings
1,931,058
Greece
11,335
176
Ranking Based On Selection: 11
Alexandros Nasiopoulos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38
35
0.921
IT Analysis
Programming Languages
Business Modelling
Decision Making Systems
* Total Citation Counts Rankings
Rankings
2,041,741
Greece
11,735
191
Ranking Based On Selection: 12
Stavros Niafas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25
15
0.600
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