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06-cognitive_services.md

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Cognitive Services

1. Create Azure TextAnalytics Resource

  1. Navigate to the Azure Portal
  2. On the Azure Portal, select +Create a Resource
  3. In the New window, select AI + Machine Learning
  4. In the Featured frame, select Text Analytics

Create Resource

  1. In the Create window, make the following selections
    • Name: [Create a unique resource name]
    • Subscription: [Select your Azure subscription]
    • Location: [Select the location closest to you]
    • Pricing Tier: F0 (5K Transactions per 30 days)
      • This is a free tier
    • Resource Group: [Create a unique resource group name]
  2. In the Create window, select Create

Create Text Analytics

  1. On the Azure Portal, select the bell-shaped notification icon
  2. Stand by while the Notifications window says Deployment in progress...
  3. Once the deployment has finished, on the Notifications window, select Go to resource

Go to resource

  1. On the Resource page, select Keys
  2. On the Keys page, locate KEY 1
    • We will use this API Key in our app

Api Keys

  1. In the Resource page, select Overview
  2. On the Overview page, locate the Endpoint
    • We will use this Url in our app

Endpoint

2. Add TextAnalytics Data to App Settings

  1. In the hotelsweb solution, open appsettings.json
  2. In appsettings.json, enter the value of your TextAnalytics API key for TextAnalyticsApiKey
    • E.g. "TextAnalyticsApiKey": "[Your Api Key]",
  3. In appsettings.json, enter the value of your TextAnalytics API Base url for TextAnalyticsBaseUrl
    • E.g. "TextAnalyticsBaseUrl": "https://westus.api.cognitive.microsoft.com",
    • Note: Do not enter the full url of the API endpoint; only provide the base url.
  4. In the hotelsweb solution, open appsettings.Development.json
  5. In appsettings.Development.json, enter the value of your TextAnalytics API key for TextAnalyticsApiKey
    • E.g. "TextAnalyticsApiKey": "[Your Api Key]",
  6. In appsettings.Development.json, enter the value of your TextAnalytics API Base url for TextAnalyticsBaseUrl
    • E.g. "TextAnalyticsBaseUrl": "https://westus.api.cognitive.microsoft.com",
    • Note: Do not enter the full url of the API endpoint; only provide the base url.

3. Verify Sentiment Analysis (Local)

  1. Build/Deploy hotelsweb.csproj locally
  2. On the Hotels360 website, click Reviews from the top menu
  3. On the Reviews page, enter a positive review
    • Example positive review: "Best hotel ever!"
  4. On the Review page, ensure that a happy emoji appears
  5. On the Hotels360 website, click Reviews from the top menu
  6. On the Reviews page, enter a negative review
    • Example negative review: "Terrible hotel. Will never stay here again!"
  7. On the Review page, ensure that a sad emoji appears
  8. On the Hotels360 website, click Reviews from the top menu
  9. On the Reviews page, enter a neutral review
    • Example neutral review: "This is a big hotel"
  10. On the Review page, ensure that a neutral emoji appears

4. Verify Sentiment Analysis (Azure)

  1. Build/Deploy hotelsweb.csproj to the Azure Web App instance created earlier
  2. On the Hotels360 website, click Reviews from the top menu
  3. On the Reviews page, enter a positive review
    • Example positive review: "Best hotel ever!"
  4. On the Review page, ensure that a happy emoji appears
  5. On the Hotels360 website, click Reviews from the top menu
  6. On the Reviews page, enter a negative review
    • Example negative review: "Terrible hotel. Will never stay here again!"
  7. On the Review page, ensure that a sad emoji appears
  8. On the Hotels360 website, click Reviews from the top menu
  9. On the Reviews page, enter a neutral review
    • Example neutral review: "This is a big hotel"]
  10. On the Review page, ensure that a neutral emoji appears