Roger G. Johnson

Publication Activity (10 Years)

Years Active: 1973-2018
Publications (10 Years): 2

Top Topics

University Students

Mobile Learning

Top Venues

Publications

Roger G. Johnson
How Three Poznan University Students Broke the German Enigma Code and Shortened World War Two. IFIPIoT@WCC (2018)
Roger G. Johnson
There and Back Again - Andrew Booth, a British Computer Pioneer, and his Interactions with US and Other Contemporaries. HC (2016)
David T. Goodwin, Roger G. Johnson
Recession, S-Curves and Digital Equipment Corporation. HC (2010)
Roger G. Johnson
Andrew D. Booth - Britain's Other "Fourth Man". HC (2010)
Roger G. Johnson
IP3 - Progress towards a Global ICT Profession. Key Competencies in the Knowledge Society (2010)
Roger G. Johnson
IP3 - National Societies' Roles and Responsibilities. E-Government, ICT Professionalism and Competences Service Science (2008)
Bruce O. B. Williams, Roger G. Johnson
Ready Reckoners. IEEE Ann. Hist. Comput. 27 (4) (2005)
Adrian J. Shepherd, Nigel J. Martin, Roger G. Johnson, Paul Kellam, Christine A. Orengo
PFDB: a generic protein family database integrating the CATH domain structure database with sequence based protein family resources. Bioinform. 18 (12) (2002)
X. Zhao, Nigel J. Martin, Roger G. Johnson
PPS - A Parallel Partition Sort Algorithm for Multiprocessor Database Systems. DEXA Workshop (2000)
Yung P. Jang, Roger G. Johnson
Evolutions of Object States in Temporal Object-Oriented Databases. ACM Conference on Computer Science (1994)
X. Zhao, Roger G. Johnson, Nigel J. Martin
DBJ - a Dynamic Balancing Hash Join algorithm in multiprocessor database systems. Inf. Syst. 19 (1) (1994)
X. Zhao, Roger G. Johnson, Nigel J. Martin
DBJ - A Dynamic Balancing Hash Join Algorithm in Multiprocessor Database Systems (Extented Abstract). EDBT (1994)
Roger G. Johnson, Nikos A. Lorentzos
Comments on "Extensions to SQL for Historical Databases". IEEE Trans. Knowl. Data Eng. 4 (4) (1992)
Nikos A. Lorentzos, Roger G. Johnson
Requirements Specification for a Temporal Extension to the Relationsl Model. IEEE Data Eng. Bull. 11 (4) (1988)
Nikos A. Lorentzos, Roger G. Johnson
An Extension of the Relational Model to Support Generic Intervals. EDBT (1988)
Nikos A. Lorentzos, Roger G. Johnson
Extending relational algebra to manipulate temporal data. Inf. Syst. 13 (3) (1988)
Nikos A. Lorentzos, Roger G. Johnson
TRA: A Model for a Temporal Relational Algebra. Temporal Aspects in Information Systems (1987)
Maristella Agosti, Roger G. Johnson
A Framework of Reference for Database Design. Data Base 15 (4) (1984)
Roger G. Johnson
Integrating Data and Metadata to Enhance the User Interface. BNCOD (1984)
T. Crowe, D. R. Hainline, Roger G. Johnson
Query Validation: Reverse Translation and the Connection and Selection Trap. BNOD (1981)
Peter J. H. King, Roger G. Johnson
The Conversion of Decision Tables to Sequential Testing Procedures. Comput. J. 18 (4) (1975)
Peter J. H. King, Roger G. Johnson
Comments on the Algorithms of Verhelst for the Conversion of Limited-Entry Decision Tables to Flowcharts. Commun. ACM 17 (1) (1974)
Peter J. H. King, Roger G. Johnson
Some Comments on the Use of Ambiguous Decision Tables and Their Conversion to Computer Programs. Commun. ACM 16 (5) (1973)