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Wordnet 3.0

NOUN (2)

1. Alexandrian astronomer (of the 2nd century) who proposed a geocentric system of astronomy that was undisputed until the late Renaissance;
[syn: Ptolemy, Claudius Ptolemaeus]

2. an ancient dynasty of Macedonian kings who ruled Egypt from 323 BC to 30 BC; founded by Ptolemy I and ended with Cleopatra;
[syn: Ptolemy, Ptolemaic dynasty]



WordNet (r) 3.0 (2006):

Ptolemy
    n 1: Alexandrian astronomer (of the 2nd century) who proposed a
         geocentric system of astronomy that was undisputed until
         the late Renaissance [syn: Ptolemy, Claudius
         Ptolemaeus]
    2: an ancient dynasty of Macedonian kings who ruled Egypt from
       323 BC to 30 BC; founded by Ptolemy I and ended with
       Cleopatra [syn: Ptolemy, Ptolemaic dynasty]


The Free On-line Dictionary of Computing (30 December 2018):

Ptolemy

   A flexible foundation for the specification, simulation, and
   rapid prototyping of systems.  It is an object-oriented
   framework within which diverse models of computation can
   co-exist and interact.  For example, using Ptolemy a
   data-flow system can be easily connected to a hardware
   simulator which in turn may be connected to a discrete-event
   system.  Because of this, Ptolemy can be used to model entire
   systems.  In addition, Ptolemy now has code generation
   capabilities.  From a flow graph description, Ptolemy can
   generate both C code and DSP assembly code for rapid
   prototyping.  Note that code generation is not yet complete,
   and is included in the current release for demonstration
   purposes only.

   Version 0.4.1 includes a graphical algorithm layout, code
   generator and simulator.  It requires C++, C and has been
   ported to Sun-4, MIPS/Ultrix; DSP56001, DSP96002.
   Ptolemy is an active research project.

   (ftp://ptolemy.bekeley.edu/pub/ptolemy/).  Mailing list:
   ptolemy-hackers-request@ohm.berkeley.edu.  E-mail:
   .

   (1993-04-22)