Specification

OCEL 2.0 Specification.

The specification document introduces the OCEL 2.0 standard, a novel approach for storing object-centric event logs. Aimed at guiding the reader in a step-by-step manner, it addresses the necessity and the benefits of this new standard in the field of object-centric process mining.

The document starts by shedding light on the concept of object-centric process mining and why the evolution of a new standard was necessitated. Subsequently, it delves into the specifics and advantages that the OCEL 2.0 standard presents.

Progressing into the more technical aspects, the formal definitions constituting the standard are discussed, and an example event log is introduced to help clarify these concepts.

In terms of practical implementation, the document defines the XML, JSON, and SQLite exchange formats. The OCEL 2.1 revision adds a compact single-file CSV format and a scalable bundled CSV/Parquet ZIP format.

At the end of the document, readers will gain a holistic understanding of the OCEL 2.0 standard, its significance in process mining, and the practical avenues of its implementation.