2026 Guy M. Lohman: 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	61	3094	3003	1510	1453	155	14056

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Computer Science

3094

3003

1510

1453

155

14056

Overview

Guy M. Lohman is affiliated with IBM in the United States. Their professional profile reflects a focus on research within this leading technology organization.

There is no publicly available data regarding specific publications, co-authors, or fields of study for Guy M. Lohman. Similarly, detailed information about frequent publication venues, book publications, main or subfields of study, and main research topics is not documented.

There are no recorded awards or recognitions associated with Guy M. Lohman in the available data.

Given the information available, Guy M. Lohman's profile is limited to their association with IBM, with no further detailed academic or research outputs accessible at this time.

Best Publications

On supporting containment queries in relational database management systems

Chun Zhang;Jeffrey Naughton;David DeWitt;Qiong Luo

1339
Citations
R* optimizer validation and performance evaluation for local queries

Lothar F. Mackert;Guy M. Lohman

544
Citations
LEO - DB2's LEarning Optimizer

Michael Stillger;Guy M. Lohman;Volker Markl;Mokhtar Kandil

503
Citations
Extensible query processing in starburst

L. M. Haas;J. C. Freytag;G. M. Lohman;H. Pirahesh

467
Citations
DB2 advisor: an optimizer smart enough to recommend its own indexes

G. Valentin;M. Zuliani;D.C. Zilio;G. Lohman

444
Citations
DB2 design advisor: integrated automatic physical database design

Daniel C. Zilio;Jun Rao;Sam Lightstone;Guy Lohman

441
Citations
Starburst mid-flight: as the dust clears (database project)

L.M. Haas;W. Chang;G.M. Lohman;J. McPherson

361
Citations
R* Optimizer Validation and Performance Evaluation for Distributed Queries

Lothar F. Mackert;Guy M. Lohman

349
Citations
Differential files: their application to the maintenance of large databases

Unknown

346
Citations
DB2 with BLU acceleration: so much more than just a column store

Vijayshankar Raman;Gopi Attaluri;Ronald Barber;Naresh Chainani

331
Citations
Robust query processing through progressive optimization

Volker Markl;Vijayshankar Raman;David Simmen;Guy Lohman

326
Citations
Automating physical database design in a parallel database

Jun Rao;Chun Zhang;Nimrod Megiddo;Guy Lohman

309
Citations
Grammar-like functional rules for representing query optimization alternatives

Guy M. Lohman

274
Citations
Measuring the complexity of join enumeration in query optimization

Kiyoshi Ono;Guy M. Lohman

270
Citations
Optimization of data repartitioning during parallel query optimization

Guy Maring Lohman;Mir Hamid Pirahesh;Eugene Jon Shekita;David E. Simmen

248
Citations
Extensions to Starburst: objects, types, functions, and rules

Guy M. Lohman;Bruce Lindsay;Hamid Pirahesh;K. Bernhard Schiefer

248
Citations
Relational database query optimization to perform query evaluation plan, pruning based on the partition properties

Guy Maring Lohman;Eugene Jon Shekita;David E. Simmen;Monica Sachiye Urata

234
Citations
System, method, and computer program product for progressive query processing

Guy Maring Lohman;Marki Volker;Mir Hamid Pirahesh;Vijayshankar Raman

231
Citations
GPU join processing revisited

Tim Kaldewey;Guy Lohman;Rene Mueller;Peter Volk

213
Citations
Query Processing in R

Guy M. Lohman;C. Mohan;Laura M. Haas;Dean Daniels

198
Citations
System RX: one part relational, one part XML

Kevin Beyer;Roberta J. Cochrane;Vanja Josifovski;Jim Kleewein

187
Citations
Proceedings of the 32nd international conference on Very large data bases

Umeshwar Dayal;Khu-Yong Whang;David Lomet;Gustavo Alonso

95
Citations

Frequent Co-Authors

Vijayshankar Raman Google (United States)

Sam Lightstone IBM (United States)

Hamid Pirahesh IBM (United States)

Volker Markl Technical University of Berlin

Peter J. Haas University of Massachusetts Amherst

Chandrasekaran Mohan IBM (United States)

Eugene J. Shekita Google (United States)

Bruce G. Lindsay IBM (United States)

Mir Hamid Pirahesh IBM (United States)

Nimrod Megiddo IBM (United States)

External Links

Personal website of Guy M. Lohman Google Scholar page

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