Core Concepts

Conformance Checking

Measure how closely your process executions align with your reference model.

Conformance checking compares an observed process execution against a reference model and quantifies the deviation. The result is a conformance score between 0 (completely different from model) and 1 (perfect alignment).

Alignment-based conformance

Meridian uses alignment-based conformance, which finds the optimal 'alignment' between the observed trace and the model — the minimum-cost sequence of moves that transforms one into the other. Moves that appear in both the trace and model are synchronous (conformant). Moves only in the trace are log moves (deviation). Moves only in the model are model moves (skipped steps).

Setting thresholds

Every process has a different tolerance for deviation. Meridian lets you set conformance thresholds per process. Cases below the threshold trigger alerts and automation rules.

Note

Start with a loose threshold (e.g., 0.75) and tighten it as you understand your baseline conformance. Setting it too strict initially will generate alert noise.

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