The central metric for determining institutional positions is the aggregate D-index (Discipline H-index) of scholars affiliated with each university, limited to those whose principal publication activity is in Computer Science. The D-index specifically considers both publication and citation data within Computer Science, ensuring the metric remains aligned with an institution’s disciplinary strength, excluding output from unrelated fields.
Scope of Research and Ranking Criteria
A total of 279,971 scientist profiles from an array of bibliometric sources were assessed, out of which 40,471 researchers specializing in Computer Science were analyzed in detail. To be eligible for inclusion, scholars required a D-index threshold of 30 and a significant portion of their major publications needed to be within the Computer Science discipline.
In addition to bibliometric metrics, the evaluation also examined awards and achievements in Computer Science. The D-index threshold for the selection of top researchers is adjusted in increments of 10, scalable according to the estimated population of scholars in each discipline. This approach is designed to consistently incorporate the top 1% of leading scholars into the ranking, while ensuring a proximity of 30% or less between a scientist’s general H-index and their D-index, further confirming their focus within the field. Supplementary to citation metrics, recognition of achievements and honours further distinguishes exceptional candidates.
Additional Verification Practices
The team at Research.com recognizes that raw bibliometric data alone cannot provide a comprehensive basis for evaluating academic impact. As such, every scientist profile included in the ranking has undergone manual verification, with cross-referencing performed against publication records spanning a diverse selection of reputable sources.
While not directly influencing a researcher’s rank in our system, the volume of publications in leading journals and conference proceedings is acknowledged as an important secondary indicator of scientific contribution. Ultimately, institutional ranking positions are determined based on the cumulative H-index of scholars belonging to each university, with reference data sourced from OpenAlex and CrossRef—two of the most respected and widely utilized bibliometric databases available to the academic community.
We invite readers seeking a detailed breakdown of our assessment framework and further clarification on the ranking process to consult our methodology page.
Research.com’s Mission and Agenda
Our mission at Research.com is to inspire and inform scientists, business leaders, politicians, and the entire research community by providing a transparent overview of where leading experts are making significant contributions. We strive to foster broader engagement and insight by making it easier to identify and connect with top-performing scholars in specific fields, both globally and within individual countries or research institutions.
Highlights and Key Results of the 2024 Ranking
-
Top 3 Greek Institutions by Number of Leading Computer Science Scientists:
- Aristotle University of Thessaloniki – 16 scientists
- University of Crete – 10 scientists
- University of Ioannina – 9 scientists
-
Global Leaders: The most prominent Computer Science scholars in the world represent prestigious institutions such as University of Montreal, Michigan State University, University of Oxford, University of California, Berkeley, University of Illinois at Urbana-Champaign, University of Illinois at Chicago, INSAIT, RWTH Aachen University, University of Granada, and Princeton University.
-
Top Individual Scholars: Professor Yoshua Bengio (University of Montreal) leads the global ranking with a D-index of 223, followed by Anil K. Jain (Michigan State University) with a D-index of 214, and Andrew Zisserman (University of Oxford) with a D-index of 197.
-
Average Metrics among Top Institutions:
- The average total D-index for the top 5% universities: 3,383 vs. 425 for all 1,257 institutions in the ranking.
- The average number of published articles in Computer Science per scientist at top 5% universities: 15,594 vs. 2,216 for the entire set.
- The average number of citations for researchers at top 1% universities: 2,279,971 vs. 279,971 for all included universities.
These results reflect the meticulous research and careful verification processes foundational to the Research.com rankings, aimed at recognizing true impact and leadership in the Computer Science academic community in Greece and globally.
