Question-Answering Systems: Overview of Main Architectures

Discover design approaches for building a scalable information retrieval system

Introduction

Question-answering applications have intensely emerged in recent years. They can be found everywhere: in modern search engines, chatbots or applications that simply retrieve relevant information from large volumes of thematic data.

As the name indicates, the objective of QA applications is to retrieve the most suitable answer to a given question in a text passage. Some of the first methods consisted of naive search by keywords or regular expressions. …

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