An actor or actress is a person who portrays a character in a performance.  The actor performs "in the flesh" in the traditional medium of the theatre or in modern media such as film, radio, and television. The analogous Greek term is ὑποκριτής ( hupokritḗs ), literally "one who answers".  The actor's interpretation of a role ...
Actor ( Ancient Greek: Ἄκτωρ; gen .: Ἄκτoρος Aktoros) is a very common name in Greek mythology. Here is a selection of characters that share this name (which means 'leader', from the verb άγω: to lead or carry): Actor, father of Eurytus who was an ally of Phineus during his fight with Perseus. Actor, a king of Phthia, was said ...
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Character actors can play a variety of types, such as the femme fatale, gunslinger, sidekick, town drunk, villain, hooker with a heart of gold, and many others. A character actor's roles are often substantially different from their real-life persona.  Good character actors are rarely out of work, and they often have long careers that span ...
Yale University. Occupation. Actress. Years active. 1989–2020. Mary Mara (September 21, 1960 – June 26, 2022)  was an American television and film actress from Syracuse, New York, known for her main role as Inspector Bryn Carson on Nash Bridges and appearances on primetime dramas ER and Law & Order. She also appeared in Mr. Saturday Night .
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- Fundamental Concepts
- Formal Systems
- Addressed Issues
- Programming with Actors
- See Also
- External Links
According to Carl Hewitt, unlike previous models of computation, the actor model was inspired by physics, including general relativity and quantum mechanics. It was also influenced by the programming languages Lisp, Simula, early versions of Smalltalk, capability-based systems, and packet switching. Its development was "motivated b...
The actor model adopts the philosophy that everything is an actor. This is similar to the everything is an object philosophy used by some object-oriented programminglanguages. An actor is a computational entity that, in response to a message it receives, can concurrently: 1. send a finite number of messages to other actors; 2. create a finite numbe...
Over the years, several different formal systems have been developed which permit reasoning about systems in the actor model. These include: 1. Operational semantics 2. Laws for actor systems 3. Denotational semantics 4. Transition semantics There are also formalisms that are not fully faithful to the actor model in that they do not formalize the g...
The actor model can be used as a framework for modeling, understanding, and reasoning about a wide range of concurrent systems.For example: 1. Electronic mail (email) can be modeled as an actor system. Accounts are modeled as actors and email addressesas actor addresses. 2. Web services can be modeled with Simple Object Access Protocol (SOAP) endpo...
According to Hewitt , the actor model addresses issues in computer and communications architecture, concurrent programming languages, and Web servicesincluding the following: 1. Scalability: the challenge of scaling up concurrency both locally and nonlocally. 2. Transparency: bridging the chasm between local and nonlocal concurrency. Transpar...
A number of different programming languages employ the actor model or some variation of it. These languages include:Hewitt, Meijer and Szyperski: The Actor Model (everything you wanted to know, but were afraid to ask) Microsoft Channel 9. April 9, 2012. Video on YouTube