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For the Inventor, By the Inventor

Markham, Canada

John Frederick Hornibrook

USPTO Granted Patents = 16

Average Co-Inventor Count = 4.3

ph-index = 7

Forward Citations = 124(Granted Patents)


Location History:

  • Toronto, CA (2001 - 2003)
  • Markham, CA (2006 - 2021)

Company Filing History:

goldMedal16 out of 164,108 
 
International Business Machines Corporation
 patents

Years Active: 2001-2021

where 'Filed Patents' based on already Granted Patents

16 patents (USPTO):
1. 11023464 - Reducing temp size over a base table (2021-06-01),
2. 10157204 - Generating statistical views in a database system (2018-12-18),
3. 9727608 - Generating statistical views in a database system (2017-08-08),
4. 9524317 - Optimization of aggregate queries in database management systems using an early out join when processing min and max functions (2016-12-20),
5. 8990169 - Statistics collection for database tables (2015-03-24),
6. 8630999 - Systems and computer program product for cost estimation using partially applied predicates (2014-01-14),
7. 8626744 - Executing CASE expressions containing subqueries (2014-01-07),
8. 8626724 - Method for automated design of row compression on tables in a relational database (2014-01-07),
9. 8126872 - Methods of cost estimation using partially applied predicates (2012-02-28),
10. 8051058 - System for estimating cardinality in a database system (2011-11-01),
11. 7917502 - Optimized collection of just-in-time statistics for database query optimization (2011-03-29),
12. 7478083 - Method and system for estimating cardinality in a database system (2009-01-13),
13. 7461050 - Methods of cost estimation using partially applied predicates (2008-12-02),
14. 7099864 - System and method for slow materialization sorting of partially ordered inputs in a database system (2006-08-29),
15. 6615222 - System and process for evaluating the performance of a database system (2003-09-02),

Title: Innovations of John Frederick Hornibrook

Introduction

John Frederick Hornibrook is a notable inventor based in Markham, Canada. He has made significant contributions to the field of database systems, holding a total of 16 patents. His work focuses on enhancing the efficiency and functionality of database operations.

Latest Patents

Hornibrook's latest patents include innovative methods for optimizing SQL query execution. One of his patents, titled "Reducing temp size over a base table," describes a method, system, and computer program product that involves receiving and parsing an SQL query. This invention identifies common sub-expressions used multiple times within the query and constructs a query execution plan that maintains a bit vector for a fact table. It also includes mechanisms for storing a result bit vector and tracking the last valid tuple processed. Another significant patent is "Generating statistical views in a database system," which outlines techniques for generating statistical views based on constraints retrieved from a database workload. This invention evaluates the workload to generate and refine multiple statistical view candidates.

Career Highlights

Hornibrook is currently employed at International Business Machines Corporation (IBM), where he continues to innovate in the field of database technology. His work has had a profound impact on how databases are managed and optimized for performance.

Collaborations

Throughout his career, Hornibrook has collaborated with talented individuals such as Calisto Paul Zuzarte and Vincent Corvinelli. These collaborations have contributed to the development of advanced technologies in the database domain.

Conclusion

John Frederick Hornibrook is a distinguished inventor whose work in database systems has led to numerous patents and innovations. His contributions continue to shape the future of database technology and improve efficiency in data management.

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