KLDLLearningEngine

class KLDLLearningEngine(learningRate: Float = 0.001f) : LearningEngine(source)

KotlinDL-based Learning Engine implementation for the KARL (Kotlin Adaptive Reasoning Learner) framework.

This class serves as the primary machine learning implementation within the KARL ecosystem, providing sophisticated on-device artificial intelligence capabilities using KotlinDL for neural network computation. The engine is designed for real-time learning from user interactions while maintaining privacy through local-only processing.

Current Implementation Status: This is currently a sophisticated stub implementation that simulates the full ML pipeline while the KotlinDL dependencies are being resolved. The architecture and interfaces are production-ready and designed to seamlessly transition to the full neural network implementation.

Core Capabilities:

  • Incremental Learning: Continuously adapts to user behavior through online learning

  • State Persistence: Maintains learned knowledge across application sessions

  • Thread Safety: Ensures safe concurrent access to the underlying ML model

  • Memory Efficiency: Optimized for mobile and resource-constrained environments

  • Local Privacy: All computation occurs on-device without external data transmission

Architecture Design:

  • Atomic Initialization: Thread-safe initialization with atomic state tracking

  • Mutex-Protected Operations: Critical ML operations are protected against race conditions

  • Coroutine-Based Training: Asynchronous learning that doesn't block the UI thread

  • Binary State Serialization: Efficient persistence of model weights and training state

  • Graceful Error Recovery: Robust error handling with fallback to fresh initialization

Machine Learning Pipeline:

  1. Data Preprocessing: Converts user interactions into numerical feature vectors

  2. Model Training: Updates neural network weights through backpropagation

  3. Prediction Generation: Produces confident suggestions based on learned patterns

  4. State Management: Maintains training history and model parameters

KotlinDL Integration Points: When the full implementation is activated, this class will leverage:

  • Sequential neural network models for pattern recognition

  • Adam optimizer for efficient gradient descent

  • Categorical crossentropy for classification tasks

  • Batch normalization for training stability

Privacy and Security:

  • All user data remains on the local device

  • No network communication for training or inference

  • Secure state serialization prevents unauthorized access

  • Configurable data retention policies through instructions

Since

1.0.0

Author

KARL Development Team

Parameters

learningRate

The rate at which the neural network adapts to new information. Lower values provide more stable learning, higher values enable faster adaptation to changing user patterns.

See also

The interface contract this implementation fulfills

For the structure of persisted training state

For progress tracking and debugging information

Constructors

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constructor(learningRate: Float = 0.001f)

Functions

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open suspend override fun getCurrentState(): KarlContainerState

Captures and serializes the complete current state of the machine learning model.

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open suspend override fun getLearningInsights(): LearningInsights

Provides comprehensive insights into the current learning progress and performance.

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open suspend override fun initialize(state: KarlContainerState?, coroutineScope: CoroutineScope)

Initializes the machine learning engine with optional state recovery capabilities.

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open suspend override fun predict(contextData: List<InteractionData>, instructions: List<KarlInstruction>): Prediction?

Generates intelligent predictions based on learned user behavior patterns and current context.

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open suspend override fun release()

Releases all resources held by the learning engine for clean shutdown.

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open suspend override fun reset()

Resets the learning engine to its initial blank state, clearing all learned knowledge.

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open override fun trainStep(data: InteractionData): Job

Performs incremental learning from a single user interaction event.