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README.md

Custom Question Answering

Bot Framework v4 Custom question answering bot sample.

This bot has been created using the Bot Framework SDK, it shows how to create a bot that uses Cognitive Services' question answering feature.

Question answering lets you to build, train and publish a simple question and answer bot based on FAQ URLs, structured and unstructured documents, or editorial content in minutes. In this sample, we demonstrate how to use question answering to answer questions based on an FAQ text file used as input.

Prerequisites

  • This project requires a Language service resource with Custom question answering enabled.

  • Node.js version 16.16.0 or higher

    # determine node version
node --version

Configure knowledge base of the project

  • See the quickstart to create a Custom question answering project. You will need this project's name to be used as ProjectName in .env file.
  • Go to Language Studio and open the created project.
  • Go to Edit knowledge base > ... > Import questions and answers > Import as TSV.
  • Import the SampleForCQA.tsv file.
  • You can test your knowledge base by clicking on Test option.
  • Go to Deploy knowledge base and click on Deploy.

Connect your bot to the project.

Follow these steps to update .env file.

  • In the Azure Portal, go to your resource.
  • Under Resource Management, go to Keys and Endpoint.
  • Copy and paste the following values into their respective variables in .env file.
    • One of the keys: LanguageEndpointKey
    • Endpoint: LanguageEndpointHostName
  • ProjectName is the name of the project created in Language Studio.

Try this sample

  • Install the Bot Framework Emulator version 4.14.0 or greater from here

  • Clone the repository

    git clone https://github.com/Microsoft/botbuilder-samples.git

  • In a terminal, navigate to samples/javascript_nodejs/12.customQABot

    cd samples/javascript_nodejs/12.customQABot

  • Install modules

    npm install

  • Run the sample

    npm start

  • Connect to the bot using Bot Framework Emulator

    1. Launch Bot Framework Emulator
    2. File -> Open Bot
    3. Enter a Bot URL of http://localhost:3978/api/messages

Try precise answering

  • Try the following utterances:
    1. Accessibility
    2. Register
  • You should see a short answer returned, along with a long answer.
  • If you're testing in Language Studio, you might have to check Include short answer response at the top.
  • You can disable precise answering by setting EnablePreciseAnswer to false in appsettings.json.
  • To only see precise answers in the response, set DisplayPreciseAnswerOnly to true in appsettings.json.
  • To learn more, see precise answering.

Deploy the bot to Azure

See Deploy your bot to Azure for instructions.

The deployment process assumes you have an account on Microsoft Azure and are able to log into the Microsoft Azure Portal.

If you are new to Microsoft Azure, please refer to Getting started with Azure for guidance on how to get started on Azure.

Further reading