> For the complete documentation index, see [llms.txt](https://docs.42maru.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.42maru.com/master.md).

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Platform42 is an AI question and answering system based on deep learning technology. Platform42 semantically understands a user’s question and finds a single answer from documents. When a user asks a question, Platform42 searches for relevant documents and select several candidate documents which might have the correct answer. Then, MRC\* analyzes the candidates and presents a single answer from the documents.

\* MRC : Machine Reading Comprehension is a system in which an artificial intelligence reads and understands documents and gives answers to human questions.<br>