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Year
O'Brien, Patrick Karl

O'Brien, Patrick Karl

Oxford Brookes University, United Kingdom

2025 Rank: 121,277

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Historical Studies

SubField 1:

History of Social Sciences

SubField 2:

History

Rank in SubField 1: 21 out of 2,316 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score121,277139,509
Total Cites1,7951,874
H-index1919
Hm-index1515
Number of Single Authored Papers4343
Total Cites to Single Authored Papers1,3351,379
Number of Single+First Authored Papers5454
Total Cites to Single+First Authored Papers1,5871,655
Number of Single+First+Last Authored Papers5959
Total Cites to Single+First+Last Authored Papers1,6931,768
Composite Score33
Number of Distinct Citing Papers1,4681,510
Ratio of Total Citations to Distinct Citing Papers 1.22 1.24
Self-Citation Percentage
4.22%
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O'Brien, Patrick Karl

O'Brien, Patrick Karl

University of London, United Kingdom

2020 Rank: 116,231

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Historical Studies

SubField 1:

History of Social Sciences

SubField 2:

History

Rank in SubField 1: 14 out of 1,781 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score116,231134,433
Total Cites1,1691,218
H-index1616
Hm-index1414
Number of Single Authored Papers3535
Total Cites to Single Authored Papers911943
Number of Single+First Authored Papers4343
Total Cites to Single+First Authored Papers1,0801,121
Number of Single+First+Last Authored Papers4848
Total Cites to Single+First+Last Authored Papers1,1261,171
Composite Score33
Number of Distinct Citing Papers950975
Ratio of Total Citations to Distinct Citing Papers 1.23 1.25
Self-Citation Percentage
4.02%
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