Quanzhong Li

Title: Quanzhong Li: Innovator in Database Compression and Full-Text Indexing

Introduction

Quanzhong Li is a notable inventor based in San Jose, CA, who has made significant contributions to the field of database technology. With a total of 3 patents, he has developed innovative solutions that enhance data management and retrieval processes.

Latest Patents

One of Quanzhong Li's latest patents is focused on multi-level database compression. This invention relates to a technique that compresses table data objects stored in pages. It utilizes a compact dictionary structure to represent frequent values of data at various levels of granularity. The invention provides multiple levels of compression, where the input to a finer level is derived from a coarser level. A corresponding de-compression technique is also available, ensuring efficient data retrieval.

Another significant patent involves join algorithms over full-text indexes. This method processes join predicates in full-text indexes by evaluating local predicates to generate posting lists of documents. It merges these lists to facilitate efficient document pairing, enhancing the performance of full-text searches.

Career Highlights

Quanzhong Li is currently employed at International Business Machines Corporation, commonly known as IBM. His work at IBM has allowed him to focus on cutting-edge technologies that drive advancements in database management and indexing.

Collaborations

Throughout his career, Quanzhong has collaborated with notable colleagues, including Latha S Colby and Guy Maring Lohman. These collaborations have contributed to the development of innovative solutions in the tech industry.

Conclusion

Quanzhong Li's contributions to database compression and full-text indexing exemplify his innovative spirit and technical expertise. His patents reflect a commitment to improving data management practices, making him a valuable asset in the field of technology.