David H. D. Warren

David H. D. Warren
David H. D. Warren
Alma mater	University of Edinburgh
Known for	Warren Abstract Machine
	Scientific career
Institutions	SRI International; Quintus Computer Systems; University of Bristol
Thesis	Applied Logic - Its Use and Implementation as Programming Tool (1977)
Doctoral advisor	Donald Michie; Robert Kowalski

David H. D. Warren is a computer scientist who worked primarily on logic programming and in particular the programming language Prolog in the 1970s and 1980s. Warren wrote the first compiler for Prolog, and the Warren Abstract Machine execution environment for Prolog is named after him.

Early life and education

Warren received a Ph.D.[1] in artificial intelligence from the University of Edinburgh in 1977 under advisor Robert Kowalski, and (a second advisor) Donald Michie.[2]

Career

Warren worked for the Artificial Intelligence Center at SRI International in the 1980s.[3][4]

He founded the company Quintus Computer Systems in 1983 with William Kornfeld, Lawrence Byrd, Fernando Pereira and Cuthbert Hurd to commercialize the Prolog compiler.[5] Quintus was sold to Intergraph Corporation in 1989.[6]

He has also held an academic position at the University of Bristol Department of Computer Science.[7]

gollark: It looks mostly fine, but it's hard to tell sideways.

gollark: It wants something in terms of p and q, so just simplify it a bit.

gollark: Although I don't know why you can't long-divide it, p and q are just constants for the purposes of that.

gollark: That lets you work out a/b/c/d, which you can substitute back into (x-1)(ax^3+bx^2+cx+d).

gollark: So:2 = a (x^4 terms)p = b - a (x^3 terms)-6 = c - b (x^2 terms)q = d - c (x terms)6 = -d (constant terms)

References

Warren, David H. D. (1978). "Applied logic : its use and implementation as a programming tool". hdl:1842/6648. Cite journal requires |journal= (help)
David H. D. Warren at the Mathematics Genealogy Project -- (accessed 10 August 2014)
"David H.D. Warren". Alumnus of the Artificial Intelligence Center. Artificial Intelligence Center. Retrieved 26 May 2010.
Nils J. Nilsson (1984). "Introduction to the COMTEX Microfiche Edition of the SRI Artificial Intelligence Center Technical Notes". AI Magazine. 5 (1). p. 49.
The Artificial intelligence report. Artificial Intelligence Publications. 1983.
David E. Weisberg (2008). "Intergraph" (PDF). The Engineering Design Revolution:The People, Companies and Computer Systems That Changed Forever the Practice of Engineering. Retrieved 26 May 2010.
Raina, S.; Warren, D.H.D. (1992). "Traffic patterns in a scalable multiprocessor through transputer emulation". Proceedings of the Twenty-Fifth Hawaii International Conference on System Sciences. IEEE. pp. 267–276 vol.1. doi:10.1109/HICSS.1992.183173. ISBN 0-8186-2420-5.

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[1] Warren, David H. D. (1978). "Applied logic : its use and implementation as a programming tool". hdl:1842/6648. Cite journal requires |journal= (help)

[2] David H. D. Warren at the Mathematics Genealogy Project -- (accessed 10 August 2014)

[3] "David H.D. Warren". Alumnus of the Artificial Intelligence Center. Artificial Intelligence Center. Retrieved 26 May 2010.

[4] Nils J. Nilsson (1984). "Introduction to the COMTEX Microfiche Edition of the SRI Artificial Intelligence Center Technical Notes". AI Magazine. 5 (1). p. 49.

[5] The Artificial intelligence report. Artificial Intelligence Publications. 1983.

[6] David E. Weisberg (2008). "Intergraph" (PDF). The Engineering Design Revolution:The People, Companies and Computer Systems That Changed Forever the Practice of Engineering. Retrieved 26 May 2010.

[7] Raina, S.; Warren, D.H.D. (1992). "Traffic patterns in a scalable multiprocessor through transputer emulation". Proceedings of the Twenty-Fifth Hawaii International Conference on System Sciences. IEEE. pp. 267–276 vol.1. doi:10.1109/HICSS.1992.183173. ISBN 0-8186-2420-5.