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2.2. SaaS services in Azure - Bots (Bot Services, QnA Maker).md

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Bots

Bot services

  • PaaS
  • Provides an integrated environment that is purpose-built for bot development, enabling you to build, connect, test, deploy, and manage intelligent bots from one place.
  • You can write a bot, connect, test, deploy, and manage it from your web browser with no separate editor or source control required.
    • For simple bots, you may not need to write code at all.
  • The code glues in an HTTP REST endpoint the following:
    • Platform: Platform Services
    • AI: Intelligent Tools
    • SDK: Bot Framework SDK

Bot services key concepts

  • Multiple language support
    • Leverages Bot Framework SDK with support for .NET and Node.js.
  • Bot templates
    • E.g.:
      • Forms bot for collecting user input
      • a Language understanding bot that leverages LUIS to understand user intent
      • a QnA bot to handle FAQs
      • a Proactive bot that alerts users of events.
  • Bring your own dependencies: Support NuGet and NPM.
  • Flexible development options
    • Publish from Visual Studio
    • Code bot right in the Azure portal
    • Set up continuous integration and deploy the bot through GitHub, Visual Studio Team Services, and other supported development tools.
  • Connect to channels
    • Bot Service supports popular channels for connecting your bots and the people that use them.
    • E.g. Skype, Facebook, Teams, Slack, SMS, and others.
  • Tools and services
    • Bot Framework Emulator: Allows to test bots.
    • Channel Inspector: Allows to preview bots on different channels with the .
  • Open source
    • The Bot Builder SDK is open-source and available on GitHub.

QnA Maker

  • Trains AI to respond to user's questions in a more natural, conversational way.
  • Provides a GUI that allows non-developers to train, manage, and use the service for a wide range of solutions.
  • Extracts a knowledge base from two types of input: FAQ pages (web pages or documents) and product manuals (PDF).
    • Once extracted, the QnA Maker service creates a knowledge base and bot using the knowledge bas
  • Handles indexing and ranking
  • It can be consumed through REST API
  • Over time, the knowledge base can be updated, retrained, and republished to meet the morphing needs to a user-facing web application.