A stand alone program that runs under window XP, Vista and Windows 7. It uses a statistical method for it's answers. It has a spell engine to try to spot typos, a math engine for simple math questions. It has a basic short term memory which allows it to answer questions to facts it has just been told as well as a basic time and date system. There are a few additional capabilities put in for the Loebner competition.
A chat bot is a humanlike conversational character.
Its conversational skills and other humanlike behaviour is simulated through artificial intelligence.
It often acts as a virtual assistant and it can have its own visualisation through an avatar
or it is faceless. We expect that through the years every conversational chat bot will grow into a real virtual human.