2026 Umberto Straccia: Computer Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Computer Science	52	5124	4984	110	108	253	9885

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Computer Science

5124

4984

110

108

253

9885

Research.com Recognitions

2025 - Research.com Computer Science in Italy Leader Award
2023 - Research.com Computer Science in Italy Leader Award
2022 - Research.com Computer Science in Italy Leader Award

Overview

Umberto Straccia is affiliated with the National Research Council (CNR) in Italy. Their research primarily falls within the field of Computer Science, with a strong focus on Artificial Intelligence. Additional subfields include Computational Theory and Mathematics, Management Science and Operations Research, Molecular Biology, and Information Systems.

The main topics addressed in their work encompass:

Semantic Web and Ontologies
Logic, Reasoning, and Knowledge
Rough Sets and Fuzzy Logic
Multi-Agent Systems and Negotiation
Text and Document Classification Technologies
Multi-Criteria Decision Making
Biomedical Text Mining and Ontologies

Umberto Straccia's body of research includes several notable recent papers. These include:

"Fudge: Fuzzy ontology building with consensuated fuzzy datatypes" (2020), published in Fuzzy Sets and Systems
"Defeasible RDFS via rational closure" (2022), published in Information Sciences
"Defeasible RDFS via Rational Closure" (2020), published on arXiv (Cornell University)
"Fuzzy OWL-Boost: Learning fuzzy concept inclusions via real-valued boosting" (2021), published in Fuzzy Sets and Systems
"A General Framework for Modelling Conditional Reasoning -- Preliminary Report" (2022), published on arXiv (Cornell University)

The venues where they frequently publish include:

arXiv (Cornell University)
Fuzzy Sets and Systems
Information Sciences
SSRN Electronic Journal

Collaborations form a notable part of their scholarly output. Frequent co-authors include:

Giovanni Casini
Franco Alberto Cardillo
Franca Debole
Ignacio Huitzil
Fernando Bobillo

Best Publications

Reasoning within fuzzy description logics

Umberto Straccia

735
Citations
Managing uncertainty and vagueness in description logics for the Semantic Web

Thomas Lukasiewicz;Umberto Straccia

625
Citations
Fuzzy ontology representation using OWL 2

Fernando Bobillo;Umberto Straccia

420
Citations
fuzzyDL: An expressive fuzzy description logic reasoner

F. Bobillo;U. Straccia

364
Citations
A model of multimedia information retrieval

Carlo Meghini;Fabrizio Sebastiani;Umberto Straccia

318
Citations
A fuzzy description logic for the semantic web.

Umberto Straccia

287
Citations
Web metasearch: rank vs. score based rank aggregation methods

M. Elena Renda;Umberto Straccia

284
Citations
Towards a fuzzy description logic for the semantic web (preliminary report)

U. Straccia

283
Citations
A Fuzzy Description Logic

Umberto Straccia

219
Citations
A model of information retrieval based on a terminological logic

Carlo Meghini;Fabrizio Sebastiani;Umberto Straccia;Costantino Thanos

200
Citations
User Profile Modeling and Applications to Digital Libraries

Giuseppe Amato;Umberto Straccia

198
Citations
Chapter 4 A fuzzy description logic for the semantic web

Umberto Straccia

190
Citations
Rational closure for defeasible description logics

Giovanni Casini;Umberto Straccia

188
Citations
A personalized collaborative digital library environment: a model and an application

M. Elena Renda;Umberto Straccia

177
Citations
A general framework for representing, reasoning and querying with annotated Semantic Web data

Antoine Zimmermann;Nuno Lopes;Axel Polleres;Umberto Straccia

166
Citations
Description logics with fuzzy concrete domains

Umberto Straccia

148
Citations
Transforming Fuzzy Description Logics into Classical Description Logics

Umberto Straccia

145
Citations
Defeasible inheritance-based description logics

Giovanni Casini;Umberto Straccia

141
Citations
Fuzzy description logics under Gödel semantics

Fernando Bobillo;Miguel Delgado;Juan Gómez-Romero;Umberto Straccia

140
Citations
Fuzzy description logics with general t-norms and datatypes

Fernando Bobillo;Umberto Straccia

125
Citations
A General Framework for Representing, Reasoning and Querying with Annotated Semantic Web Data (updated version)

Antoine Zimmermann;Nuno Lopes;Axel Polleres;Umberto Straccia

4
Citations

Frequent Co-Authors

Fabrizio Sebastiani Institute of Information Science and Technologies

Tommaso Di Noia Polytechnic University of Bari

Eugenio Di Sciascio Polytechnic University of Bari

Axel Polleres Vienna University of Economics and Business

Thomas Lukasiewicz University of Oxford

Raphaël Troncy EURECOM

Francesco M. Donini Tuscia University

Jeff Z. Pan University of Edinburgh

Miguel Delgado University of Granada

Markus Krötzsch TU Dresden

External Links

Personal website of Umberto Straccia Google Scholar page

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