This inventor holds 3 USPTO granted patents. Top assignee: Electronics and Telecommunications Research Institute. Active years: 2002-2003.
Company Filing History:
Years Active: 2002-2003
Title: Jang Sun Lee: Innovator in High-Dimensional Index Structures
Introduction
Jang Sun Lee is a notable inventor based in Taejon, South Korea. He has made significant contributions to the field of database management through his innovative patents. With a total of 3 patents, his work focuses on enhancing the efficiency and reliability of high-dimensional index structures.
Latest Patents
One of Jang Sun Lee's latest patents is titled "Efficient recovery method for high-dimensional index structure employing reinsert operation." This patent discloses a recovery method that utilizes a reinsert operation based on the ARIES algorithm, which is designed for recovery and isolation exploiting semantics. The method involves a series of steps, including the insertion of an entry into a node, adjustment of a minimum bounding region, processing of overflow, and storing a log record. The recovery process is initiated by recovering the stored log record.
Another significant patent is the "Concurrency control method for high-dimensional index structure using latch and lock." This patent outlines a concurrency control method for searching the high-dimensional index tree of a database. The method includes several steps, such as adding a root node to a queue, acquiring shared locks, and determining whether the queue is empty. It also involves selecting lower nodes within the query range and managing the search process efficiently.
Career Highlights
Jang Sun Lee is currently employed at the Electronics and Telecommunications Research Institute, where he continues to develop innovative solutions in the field of database technology. His work has been instrumental in advancing the capabilities of high-dimensional indexing, which is crucial for efficient data retrieval and management.
Collaborations
Throughout his career, Jang Sun Lee has collaborated with notable colleagues, including Seok Il Song and Jae Soo Yoo. These collaborations have contributed to the development of his patents and the advancement of research in high-dimensional index structures.
Conclusion
Jang Sun Lee is a prominent inventor whose work in high-dimensional index structures has led to significant advancements in database management. His innovative patents reflect his commitment to improving data retrieval methods and enhancing the efficiency of database systems.