Best Computer Science Scientists in Portugal

The 9th edition of ranking of the best researchers in the field of Computer Science relies os data consolidated from a wide range of data sources including OpenAlex and CrossRef. The bibliometric data for estimating the citation-based metrics were gathered on 21-12-2022. Position in the ranking is based on a researcher’s D-index (Discipline H-index), which takes into account only papers and citation values for an examined discipline.
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The scope of our Computer Science research’s best scholars ranking is a reliable lineup of leading scholars from the area of Computer Science, established by means of a meticulous study of 166,880 scientists identified from multiple bibliometric data sources. For the area of Computer Science, over 14402 scholars were examined.

What is D-index approval threshold for Computer Science
The D-index threshold for approving a scholar to be examined is placed at 30 if the majority of of their publications are in the field of Computer Science. The acceptance factors for researchers to be considered into the ranking of top researchers are based on the D-index, ratio of the contributions made within the given discipline plus the awards and achievements of the researchers. The D-index threshold for listing best scholars is set as an increment of 10 depending on the total number of scholars estimated for each area od study whilst making sure that the top 1% of best scholars are considered into the list. We estimate a proximity of 30% or less between a scholar’s general H-index and their D-index.

Extra verification rules
Since our main goal is to make sure that only actual scientists are mentioned in the ranking we believe that metrics are never meant to be a complete means to assess the work of researchers. This is why we manually verify each profile and cross-correlate it against publications in a wide range of trustworthy sources. Even though it’s not a factor impacting a researcher’s position in our ranking, the quantity of papers published in prominent journals and conference proceedings should form a reliable secondary implication of their contribution to research in a given discipline. Position in the ranking is determined by every researcher’s D-index using metrics collected from OpenAlex and CrossRef, which are the most credible and well-established bibliometric databases of this kind available to the research community. A detailed definition of our research policy can be found on our methodology page.

Our agenda
Our aim is to inspire scholars, businessmen and decision-makers around the world to examine where top experts are heading and to provide a way for the whole research community to discover who the leading experts in specific fields of research, in different countries, or even within research institutions are.
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Key findings for Computer Science
With 28 scientists Portugal ranks in spot 26 globally.

As far as institutions are concerned, the affiliation with the highest number of top scholars in Portugal is Instituto Superior Técnico with 8 scholars affiliated with it being present in our Computer Science ranking. It is followed by University of Porto with 4 scholars. Ranking thirds is Instituto Superior Técnico with 4 scientists.

Prominent researchers ranking in Portugal are representing University of Porto, Universidade Nova de Lisboa, Polytechnic Institute of Porto, Instituto Superior Técnico, University of Minho, University of Lisbon, University of Coimbra, Instituto Gulbenkian de Ciência, Polytechnic Institute of Bragança.

Professor Jose M. Bioucas-Dias from Instituto Superior Técnico is listed as the best researcher in Portugal in our ranking with a D-index of 68. Ranking on the second place in Portugal is João Gama from University of Porto with a D-index of 63. The third spot in Portugal is taken by Mário A. T. Figueiredo from Instituto Superior Técnico with a D-index of 63.

The average D-index for the top 10% scientists is 64 in comparison to an average of 41 for all 28 scholars listed in ranking.

The average number of published papers in the area of Computer Science for the top 1% of scientists in the ranking is 279 in comparison to an average of 279 for all 28 researchers.

The average number of citations for the top 1% researchers is 10159 against an average of 10159 for all 28 researchers.

Useful resources:

D-Index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.
1276 World 1 National D-index 68 Citations 28,171 294
1680 World 2 National D-index 63 Citations 29,803 298
1724 World 3 National D-index 63 Citations 18,896 445
2829 World 4 National D-index 55 Citations 13,676 500
3048 World 5 National D-index 54 Citations 10,148 423
3367 World 6 National D-index 52 Citations 10,373 722
3571 World 7 National D-index 51 Citations 8,184 242
4318 World 8 National D-index 46 Citations 13,844 154
5254 World 9 National D-index 42 Citations 7,741 324
5262 World 10 National D-index 42 Citations 7,563 522
5404 World 11 National D-index 41 Citations 10,298 195
5552 World 12 National D-index 41 Citations 6,692 306
6047 World 13 National D-index 39 Citations 7,763 250
6061 World 14 National D-index 39 Citations 7,358 246
6321 World 15 National D-index 38 Citations 8,741 242
6462 World 16 National D-index 38 Citations 6,451 258
6713 World 17 National D-index 37 Citations 7,460 105
6928 World 18 National D-index 36 Citations 20,648 157
7872 World 19 National D-index 34 Citations 8,567 245
8365 World 20 National D-index 33 Citations 8,140 157
8745 World 21 National D-index 33 Citations 4,428 153
8968 World 22 National D-index 32 Citations 7,415 294
9198 World 23 National D-index 32 Citations 5,215 189
9215 World 24 National D-index 32 Citations 5,120 80
9229 World 25 National D-index 32 Citations 4,997 292
9318 World 26 National D-index 32 Citations 4,523 243
9601 World 27 National D-index 31 Citations 6,234 179
9622 World 28 National D-index 31 Citations 6,025 299

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