I am currently studying QA systems in NLP. I found that the term MRC and QA System are interchangeable. Then, I found this page https://www.quora.com/What-is-the-difference-between-machine-comprehension-and-question-answering-in-NLP that states MRC is an approach to solve QA problem. what is another approach?
Arturo Geigel
Query processing Database storage(e.g. GraphDBs, unstructured documents,SQL, etc. which goes to the processing for storage and retrieval on such information) architecture and methods of retrieval Document processing(e.g. extracting the relevant piece of information after it has been extracted from the storage) Answer formatting (e.g. frame filling, etc.)
Andreas Chandra ,
QA systems can be roughly divided into:
Each stage can include multiple approaches. Could you be more specific on which part of the QA system are you interested on?
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