Xianwei Shen

Title: Xianwei Shen: Innovator in Database Query Handling

Introduction

Xianwei Shen is a notable inventor based in Solna, Sweden. He has made significant contributions to the field of database management through his innovative patent. His work focuses on enhancing the efficiency of handling database queries, particularly in semantic databases.

Latest Patents

Xianwei Shen holds a patent for a "Method and server for handling database queries." This invention involves a method and server designed to manage database queries directed to a semantic database. The database contains information structured according to a preset ontology and annotated with element identifiers comprising triplets that include a subject, a predicate, and an object. The server features a data analyzer that collects statistics from the database and defines semantic rules based on the stored information. Upon receiving a database query with a first set of sub-queries, a query optimizer rewrites the query into a second set of sub-queries in triplet format. This process utilizes the ontology structure, collected statistics, and defined rules. Additionally, a Reduction Rate (RR) is calculated for the sub-queries, which relates to the number of distinct subjects and objects appearing in the database. The sub-queries are then provided as a modified query in an order based on decreasing Reduction Rates for execution.

Career Highlights

Xianwei Shen is currently employed at Telefonaktiebolaget LM Ericsson (publ), a leading telecommunications company. His role involves leveraging his expertise in database management to improve the efficiency and effectiveness of data handling within the organization. His innovative approach has positioned him as a valuable asset in the field of technology.

Collaborations

Xianwei has collaborated with notable colleagues, including Vincent Huang and Simon Moritz. Their combined efforts contribute to the advancement of technology and innovation within their respective fields.

Conclusion

Xianwei Shen's contributions to database query handling exemplify the impact of innovation in technology. His patent reflects a deep understanding of semantic databases and enhances the efficiency of data management. Through his work at Ericsson and collaborations with talented colleagues, he continues to push the boundaries of what is possible in the realm of database technology.