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The Indexer Queue Service provides a set of APIs that help in forwarding the messages to and from the Storage Service and Indexer Service.

The Notification service allows interested consumers to subscribe to data and metadata changes using a publish/subscriber pattern.

The Register Service manages subscriptions, action and DDMS registrations in the OSDU.

The Time-series Service provides functionality for fetching stored time-series by entity, property, source and date-time span. The time-series are handled in a bi-temporal approach, where the version time is the time where the fact has been stored and the physical time where the transaction has happened.

The CRS Catalog Service enables end-users to make CRS selections, search for CRSs given a number of constraints, download of the entire catalog for local caching, and access to various sub-sets of the catalog.

Repository for the Rock & Fluid Sample DDMS services for OSDU.

This is sdapi (C++ library) for seismic dms also known as SDMS v3

[In development]

OQM (Object to Queue) Mapper

The Unit Service provides dimension/measurement and unit definitions. Given two unit definitions, the service also offers conversion parameters in two different parameterizations.

The Manifest Ingestion DAG includes a Workflow Engine, an implementation of Apache Airflow, to orchestrate manifest/metadata ingestion via Storage Service

Legacy contribution from Energistics - only supports WITSML v2.0

Open Subsurface Data Universe (OSDU) Wellbore-DDMS Worker is a python back-end service used internally by the OSDU Wellbore DDMS. It provides an internal API for accessing Wellbore bulk data.

Domain Data Management Service focused on Well Planning and Well Execution