Roger G. Johnson - researchr alias

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Viewing Publication 1 - 23 from 23

2018

How Three Poznan University Students Broke the German Enigma Code and Shortened World War TwoRoger G. Johnson. ifip 2019: 11-20 [doi]

2016

There and Back Again - Andrew Booth, a British Computer Pioneer, and his Interactions with US and Other ContemporariesRoger G. Johnson. ifip9 2016: 58-70 [doi]

2010

Recession, S-Curves and Digital Equipment CorporationDavid T. Goodwin, Roger G. Johnson. ifip9 2010: 179-188 [doi]

Andrew D. Booth - Britain's Other "Fourth Man"Roger G. Johnson. ifip9 2010: 26-37 [doi]

IP3 - Progress towards a Global ICT ProfessionRoger G. Johnson. ifip3 2010: 177-186 [doi]

2008

IP3 - National Societies' Roles and ResponsibilitiesRoger G. Johnson. ifip8 2008: 165-171 [doi]

2005

Ready ReckonersBruce O. B. Williams, Roger G. Johnson. annals, 27(4):64-80, 2005. [doi]

2002

PFDB: a generic protein family database integrating the CATH domain structure database with sequence based protein family resourcesAdrian J. Shepherd, Nigel J. Martin, Roger G. Johnson, Paul Kellam, Christine A. Orengo. bioinformatics, 18(12):1666-1672, 2002.

2000

PPS - A Parallel Partition Sort Algorithm for Multiprocessor Database SystemsX. Zhao, Nigel J. Martin, Roger G. Johnson. dexaw 2000: 635-646 [doi]

1994

Evolutions of Object States in Temporal Object-Oriented DatabasesYung P. Jang, Roger G. Johnson. acm 1994: 304-311 [doi]

DBJ - A Dynamic Balancing Hash Join Algorithm in Multiprocessor Database Systems (Extented Abstract)X. Zhao, Roger G. Johnson, Nigel J. Martin. edbt 1994: 301-308 [doi]

DBJ - a Dynamic Balancing Hash Join algorithm in multiprocessor database systemsX. Zhao, Roger G. Johnson, Nigel J. Martin. is, 19(1):89-100, 1994.

1992

Comments on Extensions to SQL for Historical Databases Roger G. Johnson, Nikos A. Lorentzos. tkde, 4(4):399, 1992. [doi]

1988

An Extension of the Relational Model to Support Generic IntervalsNikos A. Lorentzos, Roger G. Johnson. edbt 1988: 528-542 [doi]

Requirements Specification for a Temporal Extension to the Relationsl ModelNikos A. Lorentzos, Roger G. Johnson. DEBU, 11(4):26-33, 1988. [doi]

Extending relational algebra to manipulate temporal dataNikos A. Lorentzos, Roger G. Johnson. is, 13(3):289-296, 1988.

1987

TRA: A Model for a Temporal Relational AlgebraNikos A. Lorentzos, Roger G. Johnson. tdb 1987: 95-108

1984

A Framework of Reference for Database DesignMaristella Agosti, Roger G. Johnson. DB, 15(4):3-9, 1984. [doi]

Integrating Data and Metadata to Enhance the User InterfaceRoger G. Johnson. bncod 1984: 29-39

1981

Query Validation: Reverse Translation and the Connection and Selection TrapT. Crowe, D. R. Hainline, Roger G. Johnson. bncod 1981: 126-138

1975

The Conversion of Decision Tables to Sequential Testing ProceduresPeter J. H. King, Roger G. Johnson. cj, 18(4):298-306, 1975.

1974

Comments on the Algorithms of Verhelst for the Conversion of Limited-Entry Decision Tables to FlowchartsPeter J. H. King, Roger G. Johnson. CACM, 17(1):43-45, 1974.

1973

Some Comments on the Use of Ambiguous Decision Tables and Their Conversion to Computer ProgramsPeter J. H. King, Roger G. Johnson. CACM, 16(5):287-290, 1973.

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