Ib Holm Sørensen, Date of Birth, Place of Birth, Age, Net Worth, Biography

Dr Ib Holm Sørensen (1949–2012) was a computer scientist who made contributions to the Z notation and B-Method.Originally from Denmark, Ib Sørensen started his academic career in the 1970s at Aarhus University, where he worked on the Rikke-Mathilda microassemblers and simulators running on the DECSystem-10 computer.In 1979, Sørensen joined the Programming Research Group, part of the Oxford University Computing Laboratory (now the Oxford University Department of Computer Science) in England.
There he worked with Jean-Raymond Abrial and others, making contributions to the early development of the formal specification language Z.
He gained a DPhil degree from the University of Oxford and was a co-author of the seminal Specification Case Studies book on Z, first published in 1987 (second edition in 1993).From the late 1980s, Sørensen was central in the development of the B-Method, a leading formal method.
He left Oxford University to lead a team at BP developing the B-Tool to provide tool support for the B approach.
He then founded the company B-Core (UK) Limited to support the B-Toolkit, a set of programming tools designed to support the use of the B-Tool, and undertake B-related projects. Latterly Sørensen returned to the University of Oxford.
From 1999, he worked on the B-based Booster models of requirements.
He died in 2012, before he was able to retire.

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