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Overview

Akhara’s data model is built around six core objects that work together to enable healthcare AI evaluation:

Datasets

Collections of samples for evaluation

Tasks

Individual items needing human review

Models

AI models being evaluated

Evaluations

Automated scoring runs

Reviewers

Clinicians who review AI outputs

Scores

Evaluation results and metrics

Datasets

Datasets are collections of samples that share a common purpose, typically test sets for evaluation.

Schema

Usage

Samples

Samples are the individual data points within a dataset:

Tasks

Tasks represent individual items requiring human review. They’re created automatically when AI outputs need clinical oversight.

Schema

Task Status Flow

Usage

Models

Models represent the AI systems being evaluated. Track different versions and configurations.

Schema

Usage

Evaluations

Evaluations are automated scoring runs that assess AI performance against a dataset.

Schema

Evaluation Status Flow

Usage

Reviewers

Reviewers are clinicians who provide human oversight on AI outputs.

Schema

Credential Types

Usage

Scores

Scores are the evaluation results, both from automated evaluators and human reviewers.

Schema

Score Sources

Usage

Object Relationships

Next Steps

Evaluation Lifecycle

Understand evaluation states and triggers

Human vs Automated

Learn about review workflows