Natural Lanugage Q&A

Year

SHRDLU

1970 - 1971

A natural language system working in restricted "blocks worlds" with restricted vocabularies, worked extremely well

NLP History

Georgetown experiment

1954 - 1955

Involved fully automatic translation of more than sixty Russian sentences into English.

ELIZA

1964 - 1965

A simulation of a Rogerian psychotherapist, rephrasing her response with a few grammar rules.

Parry

1972 - 1973

A chatterbot

KL-ONE

1974 - 1975

A knowledge representation system in the tradition of semantic networks and frames; it is a frame language.

LIFER/LADDER

1978 - 1979

A natural language interface to a database of information about US Navy ships.

Jabberwacky

1982 - 1983

A chatterbot with stated aim to "simulate natural human chat in an interesting, entertaining and humorous manner".

Search Engine

1996 - 2003

Yahoo , Google , Bing

Watson (artificial intelligence software)

2006 - 2007

A question answering system that won the Jeopardy! contest, defeating the best human players in February 2011.

SIRI

2011 - 2012

An Intelligent Personal Assitant