Demystifying QnAMaker FAQ Bots Supported Language Myth

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Image Source: Internet + Editing. Original Image: https://blog.ch.atosconsulting.com/create-bot-faq-4-steps/
Introduction

In this article, I will brief you about how QnA Maker knowledge base service deals with languages, how to verify the language associated with the service, and about the recommended way to develop FAQ Bot with multiple languages.

Pre-requisite

Knowledge about what QnA Maker service is.

Overview

When you create your knowledge base you have to associate it with QnA Maker service.

QnA Maker extracts the contents from the given input source, public URLs, or supporting document. The structured content forms your knowledge base.

You can associate your multiple knowledge bases to your single QnA Maker service. But here, the very first knowledge base associated decides your QnA Maker service language. If you have associated a knowledge base with English language content, to a fresh QnA Maker service, this knowledge base is the first to get associated with QnA Maker service, then the QnA Maker service language will be set as English. And this does not get changed later.

Now, it is always recommended to add up other knowledge bases with the same language for efficient results.

If you have a requirement for creating a knowledge base with different languages, it is recommended to have sperate QnA Maker services for the respective languages.

  • QnA Maker Service 1 => English language Knowledge base 1
  • QnA Maker Service 1 => English language Knowledge base 2
  • QnA Maker Service2 => French language Knowledge base 1
  • QnA Maker Service2 => French language Knowledge base 2
  • QnA Maker Service1 => English language Knowledge base 3
  • QnA Maker Service2 => French language Knowledge base 3
In most of the events where I speak about QnA Maker, a common question always comes to my plate. Can I add knowledge base with different languages to same QnA Maker service? And I always say, “Yes, But Don’t!”. Like my above explanation, my answer would be very clear and straightforward.

Languages Supported

QnA Maker service has a strong ability to extract the structured QnA pairs for any language of a given source.

As QnA Maker uses keywords for identifying questions, at the time of writing this article, its success rate of extraction is higher for the below-given languages,

  • English
  • French
  • Italian
  • German
  • Spanish
Everything in QnA Maker depends on the Azure search language Analyzer, and it set the analyzers with the language knowledge base very first associates to it.

How to verify QnA Maker service language

You can verify, or rather know, the language set by QnA Maker service using Azure Service Portal. As seen in the below figure1,

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Fig1 – Azure portal presenting Azure search resource blade with language Analyzer

You can verify which QnA Maker service language is being set, by following the below mentioned steps,

  • Open Azure Portal, navigate to the Azure search resource blade.
  • Click on Index file.
  • You will be presented with section name ‘Fields’.
  • Click on Fields Section.
  • Here, you will be presented with one checkbox named ‘Analyzer’
  • Check the Analyzer Check-box.
  • It will open up columns against question and answers with a set language.
  • You can just read or view the language set but can’t change it.
I tried to present and demo the above-mentioned points covered in the article in the video below, and I would strongly recommend watching the video for more better understanding.



Other languages supported

QnA Maker supports multiple languages, though it shows its efficiency in five languages stated above, it also supports 20+ languages.

Click here to learn about languages supported by QnA Maker.

Summary

So, I talked about the languages supported by QnA Maker service, along with the best-recommended way to go for multiple languages for QnA Maker FAQ Bot. I also tried to explain with the demo, the way to verify your QnA Maker service language.

I hope this article will help you in some way to build your FAQ Bot with multiple languages.

Kindly let me know if you have any queries or concerns, through the below comment section.

Happy Azure Learning!

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