Category Archives: Hierarchical Control

Human-computer interaction based on a hierarchical knowledge representation for a complex adaptive real-time communication system.

Numerous internal Functional Specifications, Systems Descriptions, Test Plans, etc.

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Leibovitz, D. P. et.al. (1988-2002) Numerous internal Functional Specifications, Systems Descriptions, Test Plans, etc. Nortel Networks, Ottawa, Canada.

Abstract: Telecommunication networks are complex adaptive systems with some similarities to brain and mind. While working at BNR and Nortel, numerous internal and customer facing documents were authored, contributed to, and reviewed.

Northern Telecom Practice (NTP) contributions:

Links:

Harlow, Essex, England (United Kingdom)

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Nortel Campus in Harlow, England, 1966

Nortel Campus in Harlow, England, 1966

Harlow is a city of England located just north of London. David worked there between 1998 and 1999  for Nortel.

Research

Publications

Work

Organizations

External links

Nortel

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Nortel was a multinational telecommunications and data networking equipment manufacturer headquartered in Canada. At its height, Nortel accounted for more than a third of the total valuation of all the companies listed on the Toronto Stock Exchange (TSX), employing 94,500 worldwide. In the 1990s, Nortel absorbed Bell-Northern Research (BNR) into its R&D organization. Founded in 1895, the company ceased operations in 2009.

Between 1988 – 2002, David Pierre Leibovitz worked at BNR/Nortel.

Research

Work Experience

Locations

  • Ottawa
  • Harlow

Products

  • DPN-100
  • Passport

External links

Ottawa, Ontario, Canada

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Ottawa Panorama by Wikicanadia

Ottawa Panorama by Wikicanadia

Ottawa is the national capital of Canada and lies within the province of Ontario. David has lived there since 1988.

Research

Education

Collaborators

Organizations

External links

Hierarchical Control of Complex Adaptive Communicative Systems

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Nortel (2003) Patent US20050138068 Configuration editingDuring 1988–2002, David Pierre Leibovitz worked at Bell-Northern Research and Nortel in Ottawa. He architected human-computer interaction software based on a hierarchical knowledge representation for a complex adaptive real-time communication system.

Organizations

  • BNRBell-Northern Research (BNR)
  • Nortel

Locations

See also:

 

Bell-Northern Research (BNR)

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Bell-Northern Research (BNR) was a telecommunications research and development organization that was eventually absorbed into Nortel. BNR was based in Ottawa, Ontario, Canada, with campuses at locations around the world. Bell-Northern Research pioneered the development of digital technology, and created the first practical digital PBX, (SL1), and central office (DMS).

David Pierre Leibovitz worked at BNR/Nortel between 1988 and 2002

External links

Designer, Manager & Architect of Embedded Real-Time Software

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nortel_logoDuring 1988–2002, David Pierre Leibovitz worked at Bell-Northern Research and Nortel in Ottawa. He architected human-computer interaction software based on a hierarchical knowledge representation for a complex adaptive real-time communication system.

BNRResearch

Nortel PassportPositions

  • Manager
  • Software architect / domain expert
  • Team leader
  • Junior-Senior software analyst, designer, programmer, tester

Organizations

Products:

  • DPN-100
  • Passport

Locations

  • Ottawa
  • Harlow