GLEUEvaluator class

Evaluates response quality using Google-BLEU (GLEU) n-gram overlap.

Returns a NumericMetric named "GLEU" with a score between 0.0 and 1.0. The default pass/fail threshold is 0.5.

Requires a GLEUEvaluatorContext in additionalContext.

Implemented types

• Evaluator

Annotations

• @Source(name: 'GLEUEvaluator.cs', namespace: 'Microsoft.Extensions.AI.Evaluation.NLP', repository: 'dotnet/extensions', path: 'src/Libraries/Microsoft.Extensions.AI.Evaluation.NLP/')

Constructors

GLEUEvaluator()

Properties

evaluationMetricNames → List<String>

The names of the EvaluationMetrics produced by this evaluator.

no setter, override

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

evaluate(Iterable<ChatMessage> messages, ChatResponse modelResponse, {ChatConfiguration? chatConfiguration, Iterable<EvaluationContext>? additionalContext, CancellationToken? cancellationToken}) → Future<EvaluationResult>

Evaluates modelResponse and returns an EvaluationResult.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Constants

gleuMetricName → const String

The name of the NumericMetric returned by this evaluator.