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  2. Category:Question-and-answer websites - Wikipedia

    en.wikipedia.org/wiki/Category:Question-and...

    Classification: Collective intelligence: Human-based computation: Social search: Knowledge markets: Question-and-answer websites Subcategories This category has only the following subcategory.

  3. Duolingo - Wikipedia

    en.wikipedia.org/wiki/Duolingo

    Duolingo, Inc. [b] is an American educational technology company that produces learning apps and provides language certification.Duolingo offers courses on 43 languages, [5] ranging from English, French, and Spanish to less commonly studied languages such as Welsh, Irish, and Navajo, and even constructed languages such as Klingon. [6]

  4. Question answering - Wikipedia

    en.wikipedia.org/wiki/Question_answering

    Accepting natural language questions makes the system more user-friendly, but harder to implement, as there are a variety of question types and the system will have to identify the correct one in order to give a sensible answer. Assigning a question type to the question is a crucial task; the entire answer extraction process relies on finding ...

  5. List of language self-study programs - Wikipedia

    en.wikipedia.org/wiki/List_of_language_self...

    1 (English) physical media: sell books Duolingo: 43: 25 application or web: freemium with all learning features free Foreign Service Institute: 42: 1 (English) web: free Pimsleur Language Programs (company) 40: 50 audio: BBC Online: 40: 1 (English) web: free LingQ 50: 17 application or web: freemium FirstVoices: 82: 1 (English) free Rosetta ...

  6. Educational technology - Wikipedia

    en.wikipedia.org/wiki/Educational_technology

    Educational Technology has been used in such training provision. For example, in the UK, the Skills Bootcamp scheme aims to improve the skillset of general population through the use of educational technological training. [197] Government agencies act to promote the use of Educational Technology in schools and by private enterprise.

  7. ChaCha (search engine) - Wikipedia

    en.wikipedia.org/wiki/ChaCha_(search_engine)

    Please help improve it by replacing them with more appropriate citations to reliable, independent sources. ( September 2012 ) ( Learn how and when to remove this message ) ChaCha was an American human-guided search engine that provided free, real-time answers to any question, through its website, or by using one of the company's mobile apps .

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