John C Shafer

Title: John C. Shafer: Innovator in Message Broker Technologies

Introduction

John C. Shafer is a notable inventor based in San Francisco, CA (US). He has made significant contributions to the field of message broker technologies, holding a total of 2 patents. His work focuses on optimizing data access and client-side filtering of subscribed messages.

Latest Patents

One of John C. Shafer's latest patents is titled "Systems and methods for client-side filtering of subscribed messages." This invention allows any server in a cluster to publish to and subscribe to a message channel. A server subscribing to a channel can set up a message filter using XQuery expressions to filter messages arriving on the channel. The message broker utilizes a unique filtering algorithm to enhance data access. Additionally, static subscription information can be captured to enable client-side filtering. The message broker can also maintain a table in memory to indicate whether any server in the cluster may perform dynamic subscriptions. For dynamic subscriptions, the publishing server can extract information from a database by executing a DBMS select on a subscription table using a primary key lookup.

Career Highlights

Throughout his career, John C. Shafer has worked with prominent companies such as Oracle International Corporation and BEA Systems, Inc. His experience in these organizations has contributed to his expertise in message broker technologies and data management.

Collaborations

John has collaborated with various professionals in his field, including his coworker Michael R. Blevins. Their joint efforts have further advanced the development of innovative solutions in message processing.

Conclusion

John C. Shafer is a distinguished inventor whose work in message broker technologies has paved the way for more efficient data access and management. His contributions continue to influence the industry and inspire future innovations.