A scientist’s position within the ranking is determined using the D-index (Discipline H-index), a metric that captures the impact of a researcher’s work within a specific academic discipline. The D-index is calculated exclusively from papers and citation data pertinent to the examined discipline, ensuring the ranking reflects domain-specific scholarly influence.
Scope of Research and Qualification Criteria
The ranking evaluation considered 279,971 scientist profiles aggregated from diverse bibliometric data sources, encompassing all academic disciplines. Specifically, 232 scientists specializing in Engineering and Technology were examined for inclusion. To qualify for the ranking, a scientist was required to have a D-index of at least 30, with the majority of their tier publications firmly situated in the area of Engineering and Technology.
In addition to citation-based metrics, scientists’ awards and achievements within the Engineering and Technology field were factored into the assessment process. The threshold for the D-index was adaptively set in increments of 10 relative to the estimated total number of scholars per discipline, while ensuring comprehensive inclusion of the top 1% of leading experts. Furthermore, it was ensured that the disparity between a scientist’s general H-index and their D-index did not exceed 30%, guaranteeing a close alignment between overall impact and disciplinary focus.
Additional Verification Practices
The researchers behind this ranking acknowledge the limitations of raw bibliometric data as a sole indicator of scholarly quality and impact. Accordingly, every scientist profile was subjected to manual verification and cross-correlation against publications recorded in a broad spectrum of trustworthy and authoritative sources. This rigorous validation process enhances the reliability and accuracy of the ranking.
While not directly influencing the ranking position, the quantity of papers published in prominent journals and prestigious conference proceedings is recognized as a valuable secondary indicator of a scientist’s contribution to their specific field of study.
The ranking position itself is established on the basis of each researcher’s D-index derived from OpenAlex and CrossRef — the most prominent and widely trusted bibliometric databases accessible to the research community. For a comprehensive overview of the methodology underpinning the ranking, readers are encouraged to visit our methodology page.
Research.com’s Mission Behind the Ranking
The creation of this ranking aligns with Research.com’s broader mission to inspire researchers, industry leaders, and policymakers worldwide to attentively observe emerging trends among leading experts. This ranking serves as a transparent and authoritative resource allowing the global scientific community to identify who the foremost specialists are within particular disciplines, countries, and even within prominent research institutions.
By delivering meticulously curated and credible rankings, Research.com aims to foster informed decision-making, encourage collaboration, and facilitate the recognition of excellence in Engineering and Technology research.
