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. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
1,352,196
Country Rank
18,763
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/2271.png)
![Nigeria](/flags/ng.png)
![Okpako Abugor Ejaita|A.E. Okpako, Okpako, A.E, Abugor Ejaita](/pictures/65/4603849.jpg)
Artificial Intelligence
Machine Learning
Big Data
Cybersecurity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 Index Rankings
World Rank
1,571,339
Country Rank
24,569
Institution Rank : 15
![](https://cdn.adscientificindex.com/logos/2271.png)
![Nigeria](/flags/ng.png)
![Rita Erhovwo Ako|Rita Erhovwo Ochuko](/user/assets/images/profile/no-profile-photo.png)
Artificial intelligence
Cyber security
Computer science and Risk management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
* Total i10 Index Rankings
World Rank
1,979,126
Country Rank
38,129
Institution Rank : 22
![](https://cdn.adscientificindex.com/logos/2271.png)
![Nigeria](/flags/ng.png)
![Christopher Ejiofor](/pictures/9b/4780271.jpg)
Artificial Intelligent
Software Engineering
Computer Application
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,352,196
![Nigeria](/flags/ng.png)
18,763
![](https://cdn.adscientificindex.com/logos/2271.png)
9
Okpako Abugor Ejaita|A.E. Okpako, Okpako, A.E, Abugor Ejaita
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
![](https://cdn.adscientificindex.com/logos/2271.png)
Artificial Intelligence
Machine Learning
Big Data
Cybersecurity
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,571,339
![Nigeria](/flags/ng.png)
24,569
![](https://cdn.adscientificindex.com/logos/2271.png)
15
Rita Erhovwo Ako|Rita Erhovwo Ochuko
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
![](https://cdn.adscientificindex.com/logos/2271.png)
Artificial intelligence
Cyber security
Computer science and Risk management
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,979,126
![Nigeria](/flags/ng.png)
38,129
![](https://cdn.adscientificindex.com/logos/2271.png)
22
Christopher Ejiofor
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
![](https://cdn.adscientificindex.com/logos/2271.png)
Artificial Intelligent
Software Engineering
Computer Application