See also:

• Reference: Ask an Expert  (101)
• Science: Social Sciences: Linguistics: Computational Linguistics  (181)

• Answers Project - A search engine that stores questions and answers submitted by users. This allows for answers to questions to be found instantaneously without having to search a page for that answer.
• Ask why! - The system answers why+questions by searching for relevant paragraphs in Wikipedia.
• BrainBoost - Question answering engine that accepts natural language queries.
• Helpero - Helps users solve computer related problems.
• Language Computer Corporation - Includes a demonstration of the company's search technology designed to provide direct answers to simple factual questions.
• START - Demonstration from the MIT InfoLab Group of its natural language question answering system, developed by Boris Katz.