What language is Siri written in?

What language is Siri written in?

Is anyone working on an open source version of Siri?

Siri is based on a government sponsored (SRI) project called PAL (Personalized Assistant that Learns), and *some* of the PAL Framework components are open source. (Actually, CALO, the Cognitive Agent that Learns and Organizes, was originally developed as part of the PAL project.)

Which topics on Quora are related to the technology behind Apple Siri?

Originally, Siri was built on SRI International CALO (Cognitive Assistant that Learns and Organizes). What is not so widely known is that SPARK (SRI Procedural Agent Realization Kit) forms the heart of CALO’s task execution.