a!sentimentScore() Function

Function

a!sentimentScore( text )

Returns a list of scores representing the emotional or subjective sentiment expressed in each of the provided text values, ranging from 1.0 (positive) to -1.0 (negative).

Parameters

Returns

List of Decimal

Usage considerations

Considerations for Appian Cloud users

This function is available only on Appian Cloud and will be enabled on Cloud sites on a rolling basis. You will receive the following error until your site is enabled: This function is currently unavailable. Please contact your system administrator if this problem persists.

Supported text values

• Supports US English text only.

• Single large text values will typically not provide useful sentiment scores. For best results, split large values into a list of smaller values that are each about the length of a sentence.

Autoscaled process models and application performance

Using this function in a process model with autoscale enabled may result in degraded site or application performance. It should be used with caution and tested thoroughly before deploying it for real-world use. When the application is in production, use the Autoscaled Process Activity tab to monitor how the process performs at scale.

Examples

You can copy and paste these examples into the Expression Rule Designer to see how this works.

Positive sentiment score

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=a!sentimentScore({"Hi, I hope you're having a great day"})

returns

  {0.79}

Negative sentiment score

1
=a!sentimentScore({"I got the wrong shipment!"})

returns

	{-0.53}

Returning sentiment scores for multiple statements at once

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=a!sentimentScore(
  {
    "I lost my wallet and was having a horrible day!",
    "Then someone returned it to me and I was so happy!"
  }
)

returns

  {-0.73, 0.72}

Feature compatibility

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