Ultra Hal Assistant, made by Zabaware, Inc., is both an artificial intelligence computer program and a personal assistant. It is available for Microsoft Windows. It is inspired by the HAL 9000 from the movie 2001: A Space Odyssey. It is currently at Version 6.2.24. It is proprietary software, but has a free trial version. Purchasing the program allows the player one additional character, Merlin, and more male characters may be downloaded for free. Female characters must be purchased separately from the main program. Ultra Hal won the 2007 Loebner Prize for being the "most human" chatterbot of the year. Capabilities Ultra Hal Assistant is a chatterbot program that can be used for entertainment purposes or as a digital secretary. It uses a natural language interface with animated characters using speech synthesis. Users can type to it or speak by utilizing a SAPI compatible speech recognition engine. As an entertainment program it is able to converse in English about any topic. It is designed to learn through human interaction. It stores all conversations in its database and uses them to come up with responses in the future. It uses a proprietary algorithm that utilizes the WordNet lexical dictionary to accomplish this. As a digital secretary it is able to remember and remind users of appointments, remember and dial phone numbers, remember emails, remember addresses, calculate math problems written in natural language, run programs on command, open web pages, give definitions of words, and start internet searches.
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