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World Scientist and University Rankings 2026
Spain Engineering & Technology / Computer Science 2.532 Scientists Subject Rankings
The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Dec 31, 2025, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.131.755) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H Index Rankings
Rankings
795
World Rank
31
Country Rank
2
University
Ranking Based On Selection:
1
Engineering & Technology / Computer Science
Artificial Intelligence | Computational Intelligence | Data Science | Trustworthy A
Artificial Intelligence | Computational Intelligence | Data Science | Trustworthy A
H-Index Metrics
-
H-Index196
-
i10 Index841
-
Citation Counts182,871
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* Total H Index Rankings
Rankings
3,950
World Rank
85
Country Rank
3
University
Ranking Based On Selection:
2
Engineering & Technology / Computer Science
Fuzzy sets | fuzzy decision making | computing with words | multiple criteria decision making | consensu
Fuzzy sets | fuzzy decision making | computing with words | multiple criteria decision making | consensu
H-Index Metrics
-
H-Index129
-
i10 Index562
-
Citation Counts78,726
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* Total H Index Rankings
Rankings
8,789
World Rank
169
Country Rank
15
University
Ranking Based On Selection:
3
Engineering & Technology / Computer Science
Artificial intelligence | Causality | Signal and image processing | Remote sensing | Earth science
Artificial intelligence | Causality | Signal and image processing | Remote sensing | Earth science
H-Index Metrics
-
H-Index105
-
i10 Index366
-
Citation Counts52,355
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* Total H Index Rankings
Rankings
14,762
World Rank
294
Country Rank
6
University
Ranking Based On Selection:
4
Engineering & Technology / Computer Science
Responsible AI | Information retrieval | Web search | Web mining | algorithms and data structure
Responsible AI | Information retrieval | Web search | Web mining | algorithms and data structure
H-Index Metrics
-
H-Index92
-
i10 Index376
-
Citation Counts59,294
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* Total H Index Rankings
Rankings
18,150
World Rank
377
Country Rank
7
University
Ranking Based On Selection:
5
Engineering & Technology / Computer Science
Network Protocols | Network Algorithms | Wireless Sensor Networks | Ad Hoc Networks | Multimedia Streamin
Network Protocols | Network Algorithms | Wireless Sensor Networks | Ad Hoc Networks | Multimedia Streamin
H-Index Metrics
-
H-Index86
-
i10 Index496
-
Citation Counts31,870
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* Total H Index Rankings
Rankings
18,965
World Rank
393
Country Rank
1
University
Ranking Based On Selection:
6
Engineering & Technology / Computer Science
Fuzzy decision making | Computing with words | Recommender System
Fuzzy decision making | Computing with words | Recommender System
H-Index Metrics
-
H-Index85
-
i10 Index320
-
Citation Counts34,871
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* Total H Index Rankings
Rankings
19,003
World Rank
395
Country Rank
6
University
Ranking Based On Selection:
7
Engineering & Technology / Computer Science
Complex networks | complex systems | applied mathematics | synchronization | modular structur
Complex networks | complex systems | applied mathematics | synchronization | modular structur
H-Index Metrics
-
H-Index85
-
i10 Index242
-
Citation Counts47,176
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* Total H Index Rankings
Rankings
19,013
World Rank
396
Country Rank
8
University
Ranking Based On Selection:
8
Engineering & Technology / Computer Science
Natural Language Processing | Fake News detection | Hate Speech detection | Irony detection | Artificial Intelligenc
Natural Language Processing | Fake News detection | Hate Speech detection | Irony detection | Artificial Intelligenc
H-Index Metrics
-
H-Index85
-
i10 Index396
-
Citation Counts28,047
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* Total H Index Rankings
Rankings
19,077
World Rank
397
Country Rank
6
University
Ranking Based On Selection:
9
Engineering & Technology / Computer Science
Quantum Computing | Quantum Technologies | Artificial Intelligence | Neuromorphic Computin
Quantum Computing | Quantum Technologies | Artificial Intelligence | Neuromorphic Computin
H-Index Metrics
-
H-Index85
-
i10 Index267
-
Citation Counts27,902
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* Total H Index Rankings
Rankings
19,139
World Rank
401
Country Rank
2
University
Ranking Based On Selection:
10
Engineering & Technology / Computer Science
Artificial Intelligence | Fuzzy Logic | Image Processing | Data Minin
Artificial Intelligence | Fuzzy Logic | Image Processing | Data Minin
H-Index Metrics
-
H-Index85
-
i10 Index304
-
Citation Counts30,092
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* Total H Index Rankings
Rankings
22,009
World Rank
475
Country Rank
6
University
Ranking Based On Selection:
11
Engineering & Technology / Computer Science
Software Engineering | Information Systems | Security | Quantum Computin
Software Engineering | Information Systems | Security | Quantum Computin
H-Index Metrics
-
H-Index82
-
i10 Index548
-
Citation Counts29,530
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* Total H Index Rankings
Rankings
22,956
World Rank
499
Country Rank
3
University
Ranking Based On Selection:
12
Engineering & Technology / Computer Science
Real-Time Systems | Software Engineering | Distributed System
Real-Time Systems | Software Engineering | Distributed System
H-Index Metrics
-
H-Index81
-
i10 Index297
-
Citation Counts39,663
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* Total H Index Rankings
Rankings
24,449
World Rank
524
Country Rank
15
University
Ranking Based On Selection:
13
Engineering & Technology / Computer Science
BIOMETRICS | Signals · CV/NLP · ML/SafeAI | Identity/Behavior · HCI | Forensics · Security · Healt
BIOMETRICS | Signals · CV/NLP · ML/SafeAI | Identity/Behavior · HCI | Forensics · Security · Healt
H-Index Metrics
-
H-Index79
-
i10 Index316
-
Citation Counts24,129
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* Total H Index Rankings
Rankings
28,040
World Rank
601
Country Rank
12
University
Ranking Based On Selection:
14
Engineering & Technology / Computer Science
Data protection | Privacy | Cybersecurity | Machine learning | Statistical Disclosure Contro
Data protection | Privacy | Cybersecurity | Machine learning | Statistical Disclosure Contro
H-Index Metrics
-
H-Index76
-
i10 Index279
-
Citation Counts22,065
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* Total H Index Rankings
Rankings
31,066
World Rank
677
Country Rank
19
University
Ranking Based On Selection:
15
Engineering & Technology / Computer Science
Artificial Intelligence | Linguistics | Cognitive Scienc
Artificial Intelligence | Linguistics | Cognitive Scienc
H-Index Metrics
-
H-Index74
-
i10 Index222
-
Citation Counts24,312
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* Total H Index Rankings
Rankings
31,959
World Rank
703
Country Rank
4
University
Ranking Based On Selection:
16
Engineering & Technology / Computer Science
Paleoanthropology | Archaeology | Artificial intelligenc
Paleoanthropology | Archaeology | Artificial intelligenc
H-Index Metrics
-
H-Index73
-
i10 Index242
-
Citation Counts18,248
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* Total H Index Rankings
Rankings
33,933
World Rank
755
Country Rank
3
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
34,211
World Rank
759
Country Rank
14
University
Ranking Based On Selection:
18
Engineering & Technology / Computer Science
Business Analytics | Operations Research | Transportation | Machine Learning | Metaheuristic
Business Analytics | Operations Research | Transportation | Machine Learning | Metaheuristic
H-Index Metrics
-
H-Index71
-
i10 Index270
-
Citation Counts15,520
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* Total H Index Rankings
Rankings
38,194
World Rank
854
Country Rank
21
University
Ranking Based On Selection:
19
Engineering & Technology / Computer Science
Artificial Intelligence | Natural Computing | Computational models | Membrane Computing | Computational Complexity Theor
Artificial Intelligence | Natural Computing | Computational models | Membrane Computing | Computational Complexity Theor
H-Index Metrics
-
H-Index69
-
i10 Index287
-
Citation Counts19,058
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* Total H Index Rankings
Rankings
39,501
World Rank
894
Country Rank
4
University
Ranking Based On Selection:
20
Engineering & Technology / Computer Science
Open Source | Mining software repositories | Software evolution | Computational Thinking | Software En
Open Source | Mining software repositories | Software evolution | Computational Thinking | Software En
H-Index Metrics
-
H-Index68
-
i10 Index163
-
Citation Counts13,029
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* Total H Index Rankings
Rankings
42,542
World Rank
969
Country Rank
1
University
Ranking Based On Selection:
21
Engineering & Technology / Computer Science
Machine Learning | Deep Learning | Reinforcement Learning | Evolutionary Computation | Trustworthy A
Machine Learning | Deep Learning | Reinforcement Learning | Evolutionary Computation | Trustworthy A
H-Index Metrics
-
H-Index66
-
i10 Index246
-
Citation Counts33,841
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* Total H Index Rankings
Rankings
42,827
World Rank
974
Country Rank
5
University
Ranking Based On Selection:
22
Engineering & Technology / Computer Science
Computational Intelligence | Machine Learning | Atmospheric Physics | Renewable Energ
Computational Intelligence | Machine Learning | Atmospheric Physics | Renewable Energ
H-Index Metrics
-
H-Index66
-
i10 Index265
-
Citation Counts15,912
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* Total H Index Rankings
Rankings
45,331
World Rank
1,044
Country Rank
30
University
Ranking Based On Selection:
23
Engineering & Technology / Computer Science
Music Information Retrieval | Sound and Music Computing | Computational Musicolog
Music Information Retrieval | Sound and Music Computing | Computational Musicolog
H-Index Metrics
-
H-Index65
-
i10 Index247
-
Citation Counts19,539
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* Total H Index Rankings
Rankings
49,708
World Rank
1,165
Country Rank
9
University
Ranking Based On Selection:
24
Engineering & Technology / Computer Science
Software Process Improvement | Software Engineering | Management Information Systems | Cybersecurit
Software Process Improvement | Software Engineering | Management Information Systems | Cybersecurit
H-Index Metrics
-
H-Index63
-
i10 Index228
-
Citation Counts12,875
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* Total H Index Rankings
Rankings
53,471
World Rank
1,275
Country Rank
1
University
Ranking Based On Selection:
25
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