Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :1
Optical Interconnects
Computing Systems
Silicon Photonics
Optoelectronics
Optical Communications
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
269
106
0.394
* Total i10 IndexRankings
Ranking Based On Selection :2
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
207
57
0.275
* Total i10 IndexRankings
Ranking Based On Selection :3
VLSI Design Automation Algorithms
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
168
48
0.286
* Total i10 IndexRankings
Ranking Based On Selection :4
computer science
programming languages
compilers
algorithms
computer architecture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
125
45
0.360
* Total i10 IndexRankings
Ranking Based On Selection :5
concurrency
memory allocation
operating systems
transactional memory
locks
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
109
69
0.633
* Total i10 IndexRankings
Ranking Based On Selection :6
Computer Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
88
37
0.420
* Total i10 IndexRankings
Ranking Based On Selection :7
System Software
Power Management
Performance
Networking
Storage
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
83
34
0.410
* Total i10 IndexRankings
Ranking Based On Selection :8
Computer Science
Databases
Large Scale Data Processing
Machine Learning
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
70
39
0.557
* Total i10 IndexRankings
Ranking Based On Selection :9
Software assurance
program analysis
program transformation
binary translation
decompilation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
22
0.355
* Total i10 IndexRankings
Ranking Based On Selection :10
Parallel Programming
Graph Analysis
System-on-Chip Design
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
41
0.683
* Total i10 IndexRankings
Ranking Based On Selection :11
Programming languages
type systems
database query languages
big data
Java
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
25
0.455
* Total i10 IndexRankings
Ranking Based On Selection :12
VLSI CAD
physical design and integration
electrical
timing
power
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
4
0.074
* Total i10 IndexRankings
Ranking Based On Selection :13
AI/ML
Speech and Language Processing
Computer Vision and Graphics
Multimodal Interaction
Multimedia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
36
0.692
* Total i10 IndexRankings
Ranking Based On Selection :14
Parallel Programming
Domain-Specific Languages
Compilers
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
34
0.667
* Total i10 IndexRankings
Ranking Based On Selection :15
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
29
0.569
* Total i10 IndexRankings
Ranking Based On Selection :16
Spatial database
GIS
high performance computing
spatial AI/ML
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
27
0.529
* Total i10 IndexRankings
Ranking Based On Selection :17
Machine Learning
Data Mining
Social Computing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
18
0.391
* Total i10 IndexRankings
Ranking Based On Selection :18
Computer Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
33
0.733
* Total i10 IndexRankings
Ranking Based On Selection :19
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
32
0.727
* Total i10 IndexRankings
Ranking Based On Selection :20
Database
Decision Support
Cloud Computing
Autonomous Database
Big Data
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
22
0.550
* Total i10 IndexRankings
Ranking Based On Selection :21
RDF
property graph
database
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
21
0.568
* Total i10 IndexRankings
Ranking Based On Selection :22
Data Science
Analytics
Machine Learning
Statistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
17
0.500
* Total i10 IndexRankings
Ranking Based On Selection :23
Databases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
29
0.879
* Total i10 IndexRankings
Ranking Based On Selection :24
Concurrent Algorithms
Distributed Systems
Machine Learning
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
23
0.767
* Total i10 IndexRankings
Ranking Based On Selection :25
Computer Security
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
19
0.679
Ashok V Krishnamoorthy
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
269
106
0.394
Optical Interconnects
Computing Systems
Silicon Photonics
Optoelectronics
Optical Communications
Randall B Smith
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
207
57
0.275
Akshay Sharma
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
168
48
0.286
Guy L Steele Jr
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
125
45
0.360
computer science
programming languages
compilers
algorithms
computer architecture
David Dice
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
109
69
0.633
concurrency
memory allocation
operating systems
transactional memory
locks
Eric Sedlar
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
88
37
0.420
Darrin Johnson
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
83
34
0.410
System Software
Power Management
Performance
Networking
Storage
Sam Idicula
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
70
39
0.557
Computer Science
Databases
Large Scale Data Processing
Machine Learning
Cristina Cifuentes
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
22
0.355
Software assurance
program analysis
program transformation
binary translation
decompilation
Sungpack Hong
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
41
0.683
Gavin Bierman
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
25
0.455
Programming languages
type systems
database query languages
big data
Java
Rajendran Panda
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
4
0.074
VLSI CAD
physical design and integration
electrical
timing
power
Jiyong Ma
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
36
0.692
AI/ML
Speech and Language Processing
Computer Vision and Graphics
Multimodal Interaction
Multimedia
Hassan Chafi
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
34
0.667
Christian Wimmer
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
29
0.569
Siva Ravada
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
27
0.529
Matthew Rowe
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
18
0.391
Machine Learning
Data Mining
Social Computing
Thomas Wuerthinger
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
33
0.733
Dustin Garvey
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
32
0.727
Meikel Poess
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
22
0.550
Database
Decision Support
Cloud Computing
Autonomous Database
Big Data
Souripriya Das
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
21
0.568
Cosimo Fedeli
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
17
0.500
Data Science
Analytics
Machine Learning
Statistics
Jesse Kamp
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
29
0.879
Alex Kogan
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
23
0.767
Concurrent Algorithms
Distributed Systems
Machine Learning
Olgierd Pieczul
Oracle Corporation
Redwood City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
19
0.679