Alexander Chang

Title: Alexander Chang and Workflow Orchestration

Introduction

Alexander Chang is an inventor based in Columbia, Maryland. His patent work addresses workflow orchestration in processing systems, with a focus on how activities handle data and interact with persistent storage.

Latest Patents

Chang is associated with 1 patent: “Workflow orchestration based on idempotent activities and read-only activities.” The invention describes identifying a workflow for an incoming message and classifying its activities as idempotent read-write, idempotent read-only, or non-idempotent read-only. During execution, the system provides messages to the services associated with each activity and stores non-reproducible data in a persistent store under specified conditions, including when a read-write activity or a return to the caller requires it.

Career Highlights

Chang is associated with Stripe, Inc. The supplied information also lists “Chang, Alexander,” which appears to be a personal-name entry rather than a separate company, so it is not treated as an employer.

Collaborations

The supplied information identifies Hai Wang and Kevin McCluskey as Chang’s coworkers.

Conclusion

Alexander Chang’s patent describes a structured approach to workflow execution that distinguishes activity types and manages non-reproducible data in a persistent store.