2026 Ronald Fagin: 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	86	749	724	396	382	208	49789

Research.com Recognitions

2020 - Member of the National Academy of Sciences
2014 - Member of the National Academy of Engineering For contributions to theory and practice of data management.
2014 - Fellow of the American Academy of Arts and Sciences
2012 - W. Wallace McDowell Award, IEEE Computer Society For fundamental and lasting contributions to the theory of databases.
2011 - Edward J. McCluskey Technical Achievement Award, IEEE Computer Society For pioneering contributions to novel data mining and distributed query processing techniques
2006 - Fellow of the American Association for the Advancement of Science (AAAS)
2000 - ACM Fellow For creating the field of finite model theory, and for fundamental research in relational database theory and in reasoning about knowledge.
1997 - IEEE Fellow For contributions to finite-model theory, and to relational database theory.

Overview

Ronald Fagin is affiliated with IBM in the United States and has contributed extensively to the field of computer science. Their research spans a significant range of topics, including advanced algebra and logic, logic, reasoning and knowledge, rough sets and fuzzy logic, computability, logic, AI algorithms, semantic web and ontologies, semigroups and automata theory, and service-oriented architecture and web services.

The scientist has published numerous papers, with a focus on logical and reasoning aspects of computer science. Notable recent publications include:

Logical Neural Networks, 2020, arXiv (Cornell University)
Foundations of Reasoning with Uncertainty via Real-valued Logics, 2024, Proceedings of the National Academy of Sciences
Ontology-Enriched Query Answering on Relational Databases, 2021, Proceedings of the AAAI Conference on Artificial Intelligence
New Foundations of Reasoning via Real-valued First-order Logics, 2022, arXiv (Cornell University)
Foundations of Reasoning with Uncertainty via Real-valued Logics, 2020, arXiv (Cornell University)

Fagin frequently publishes in venues such as arXiv (Cornell University), Leibniz-Zentrum für Informatik (Schloss Dagstuhl), Logical Methods in Computer Science, Proceedings of the National Academy of Sciences, and the Proceedings of the AAAI Conference on Artificial Intelligence.

Frequent collaborators in their research include Jonathan Lenchner, Phokion G. Kolaitis, Marco Carmosino, Neil Immerman, and Rik Sengupta.

The main field of study is computer science, with subfields including computational theory and mathematics, artificial intelligence, information systems, molecular biology, and philosophy.

Awards received by Ronald Fagin include:

Member of the National Academy of Sciences, 2020
Member of the National Academy of Engineering, 2014, for contributions to theory and practice of data management
Fellow of the American Academy of Arts and Sciences, 2014
W. Wallace McDowell Award from IEEE Computer Society, 2012, for fundamental and lasting contributions to the theory of databases
Edward J. McCluskey Technical Achievement Award from IEEE Computer Society, 2011, for pioneering contributions to novel data mining and distributed query processing techniques
Fellow of the American Association for the Advancement of Science (AAAS), 2006
ACM Fellow, 2000, for creating the field of finite model theory and for fundamental research in relational database theory and in reasoning about knowledge
IEEE Fellow, 1997, for contributions to finite-model theory and relational database theory

Best Publications

Reasoning About Knowledge

Ronald Fagin;Joseph Y. Halpern;Yoram Moses;Moshe Y. Vardi

6071
Citations
Reasoning About Knowledge

Ronald Fagin;Joseph Y. Halpern;Moshe Y. Vardi;Yoram Moses

5845
Citations
Optimal aggregation algorithms for middleware

Ronald Fagin;Amnon Lotem;Moni Naor

2637
Citations
Combining Fuzzy Information from Multiple Systems

Ronald Fagin

2027
Citations
Data exchange: semantics and query answering

Ronald Fagin;Phokion G. Kolaitis;Renée J. Miller;Lucian Popa

1675
Citations
Data Exchange: Semantics and Query Answering

Ronald Fagin;Phokion G. Kolaitis;Renée J. Miller;Lucian Popa

1588
Citations
Optimal aggregation algorithms for middleware

Ronald Fagin;Amnon Lotem;Moni Naor

1444
Citations
Belief, awareness, and limited reasoning

R. Fagin;J. Y. Halpern

1317
Citations
Comparing top k lists

Ronald Fagin;Ravi Kumar;D. Sivakumar

1259
Citations
Generalized first-order spectra and polynomial-time recognizable sets

R. Fagin

1254
Citations
On the Desirability of Acyclic Database Schemes

Catriel Beeri;Ronald Fagin;David Maier;Mihalis Yannakakis

1058
Citations
Multivalued dependencies and a new normal form for relational databases

Ronald Fagin

966
Citations
A logic for reasoning about probabilities

R. Fagin;J.Y. Halpern;N. Megiddo

898
Citations
Extendible hashing—a fast access method for dynamic files

Unknown

801
Citations
Translating web data

Lucian Popa;Yannis Velegrakis;Mauricio A. Hernández;Renée J. Miller

710
Citations
Towards heterogeneous multimedia information systems: the Garlic approach

M.J. Carey;L.M. Haas;P.M. Schwarz;M. Arya

670
Citations
Probabilities on Finite Models

Ronald Fagin

588
Citations
Degrees of acyclicity for hypergraphs and relational database schemes

Ronald Fagin

571
Citations
Efficient similarity search and classification via rank aggregation

Ronald Fagin;Ravi Kumar;D. Sivakumar

564
Citations
Data exchange: getting to the core

Ronald Fagin;Phokion G. Kolaitis;Lucian Popa

543
Citations
Inclusion dependencies and their interaction with functional dependencies

Marco A. Casanova;Ronald Fagin;Christos H. Papadimitriou

534
Citations

Frequent Co-Authors

Joseph Y. Halpern Cornell University

Moshe Y. Vardi Rice University

Phokion G. Kolaitis University of California, Santa Cruz

Lucian Popa IBM (United States)

Yoram Moses Technion – Israel Institute of Technology

Larry J. Stockmeyer IBM (United States)

Dandapani Sivakumar Google (United States)

Ravi Kumar Google (United States)

Wang-Chiew Tan Facebook (United States)

Miklós Ajtai Hungarian Academy of Sciences

External Links

Wikipedia of Ronald Fagin Personal website of Ronald Fagin Google Scholar page

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