Natural language processing
Pre-LLM era NLP.
20 milestones used this technique.
BWIBots: A Platform for Robots Operating in Human-Inhabited Buildings
In February 2017, researchers at the University of Texas at Austin's Building-Wide Intelligence project published a description of the BWIBots platform in the International Journal of Robotics Research, detailing mobile robots designed to operate autonomously in office buildings, accept natural-language commands, and learn cooperative tasks through human interaction.
Kirobo Robot Launched to the International Space Station
In August 2013, a consortium comprising the University of Tokyo, Toyota Motor Corporation, Dentsu Inc., and JAXA launched Kirobo, a small humanoid robot capable of speech recognition and natural-language conversation, to the International Space Station aboard HTV-4 to serve as a conversational companion for Japanese astronaut Koichi Wakata.
Apple Releases Siri with iPhone 4S
On 4 October 2011, Apple announced Siri as an integrated feature of the iPhone 4S, making a conversational voice assistant, capable of natural-language queries, task execution, and third-party service calls, available to a mass consumer audience for the first time at that scale.
IBM Watson Defeats Human Champions on Jeopardy!
In February 2011, IBM's Watson system defeated Jeopardy! champions Ken Jennings and Brad Rutter across three televised episodes, demonstrating that a computer could parse ambiguous natural-language clues and retrieve factual answers competitively against expert human players.
Criterion Online Writing Evaluation Service
Educational Testing Service launched the Criterion Online Writing Evaluation Service around 2003, a web-based tool that used natural language processing and machine learning to score student essays automatically, providing formative feedback intended to supplement instructor assessment.
A Neural Probabilistic Language Model by Yoshua Bengio and Colleagues
In 2003, Yoshua Bengio, Réjean Ducharme, Pascal Vincent, and Christian Janvin at the Université de Montréal published 'A Neural Probabilistic Language Model' in JMLR, demonstrating that a feed-forward neural network trained on word sequences could learn distributed word representations and outperform n-gram models on perplexity benchmarks.
Cleverbot Developed by Rollo Carpenter
Rollo Carpenter, a British AI developer, launched Cleverbot as a publicly accessible web application in 1997, extending his earlier Jabberwacky project. Cleverbot learned conversational responses directly from accumulated human inputs rather than from a hand-coded rule base, and went on to accumulate hundreds of millions of logged exchanges.
ALICE Chatbot Created by Richard S. Wallace
In 1995, Richard S. Wallace, an independent AI researcher, created ALICE (Artificial Linguistic Internet Computer Entity), a natural-language chatbot that used a pattern-matching markup language called AIML to generate contextually plausible conversational responses, later influencing a generation of open-source chatbot development.
RBSE: NASA's Repository-Based Software Engineering Web Spider
In 1994, researchers at NASA's Software Engineering Laboratory at Goddard Space Flight Center presented the RBSE spider, an automated web crawler built in C with Oracle and WAIS back-ends, designed to index and analyse software repositories on the World Wide Web for reuse research.
Jabberwacky Chatbot Developed by Rollo Carpenter
In 1988, British programmer Rollo Carpenter began developing Jabberwacky, a chatbot that simulated conversation by storing and retrieving lines from prior user exchanges rather than using fixed scripted responses, with the aim of exploring machine-based natural language interaction.
IBM TJ Watson Research Center Publishes Statistical Approach to Machine Translation
In August 1988, researchers at IBM Thomas J. Watson Research Center, including Peter F. Brown, John Cocke, Stephen A. Della Pietra, Vincent J. Della Pietra, Fredrick Jelinek, Robert L. Mercer, and Paul S. Roossin, presented a statistical framework for machine translation at COLING 1988, replacing rule-based linguistics with probabilistic models trained on bilingual text corpora.
HAM-ANS Natural Language Dialog System (University of Hamburg, 1983)
In 1983, Wolfgang Hoeppner, Katharina Morik, and Heinz Marburger at the University of Hamburg presented HAM-ANS, a natural language dialog system enabling users to query databases in ordinary German, demonstrated at the GWAI-83 workshop and published in Springer's Lecture Notes in Computer Science series.
Fifth Generation Computer Systems Project, Japan
In October 1981, Japan's Ministry of International Trade and Industry launched the Fifth Generation Computer Systems project, a ten-year state-funded programme delegated to the newly created Institute for New Generation Computer Technology (ICOT), aiming to build computers capable of logical inference, natural-language processing, and machine vision, with a budget of approximately 54 billion yen.
Augmented Transition Networks Introduced by William A. Woods
In 1970, William A. Woods of Bolt Beranek and Newman published 'Transition Network Grammars for Natural Language Analysis' in Communications of the ACM, introducing Augmented Transition Networks (ATNs) as a formalism for parsing natural language by extending finite-state transition networks with recursion and registers, enabling more expressive grammatical coverage.
SCHOLAR Intelligent Tutoring System Developed by Jaime Carbonell Sr.
Around 1970, Jaime Carbonell Sr. at Bolt Beranek and Newman (BBN) developed SCHOLAR, a computer-assisted instruction program that used a semantic network of geographical knowledge to conduct mixed-initiative tutorial dialogues, marking an early attempt to build adaptive, knowledge-based educational software.
SHRDLU Natural Language Understanding Program Developed by Terry Winograd at MIT
In 1970, Terry Winograd at the Massachusetts Institute of Technology completed SHRDLU, a natural language understanding program that allowed a user to converse in English about a simulated world of coloured blocks, demonstrating that a computer could parse and respond to complex grammatical instructions within a constrained domain.
2001: A Space Odyssey Released, Featuring HAL 9000
In April 1968, Stanley Kubrick and Arthur C. Clarke's film 2001: A Space Odyssey introduced HAL 9000, a fictional shipboard AI capable of natural speech, lip-reading, chess play, and autonomous decision-making. The portrayal became a lasting cultural reference in debates about machine intelligence, autonomy, and the risks of over-reliance on automated systems.
ELIZA Developed by Joseph Weizenbaum at MIT
In January 1966, Joseph Weizenbaum of MIT published a paper in Communications of the ACM describing ELIZA, a computer program that simulated conversation by applying pattern-matching rules to user input, and documented the unexpected tendency of human users to attribute understanding and empathy to the system.
STUDENT: Daniel G. Bobrow's Natural Language Algebra Problem Solver
In 1964, Daniel G. Bobrow, then a doctoral student at MIT, completed STUDENT, a LISP-based program that read English-language algebra word problems and solved them symbolically. It was among the earliest demonstrations that a computer could parse and act on natural-language mathematical statements.
SIR (Semantic Information Retrieval) by Bertram Raphael, MIT
In 1964, Bertram Raphael at MIT completed his doctoral thesis describing SIR (Semantic Information Retrieval), a LISP program that answered English-language questions about simple relational facts by constructing an internal semantic model. It was an early demonstration that a computer could parse and reason over a restricted subset of natural language.