Dingsheng Wan

Title: Dingsheng Wan: Innovator in Traffic Data Stream Processing

Introduction

Dingsheng Wan is a notable inventor based in Jiangsu, China. He has made significant contributions to the field of traffic data processing through his innovative patent. His work focuses on enhancing the efficiency of traffic data stream queries, which is crucial for modern transportation systems.

Latest Patents

Dingsheng Wan holds a patent for a "Traffic data stream aggregate query method and system." This invention includes a comprehensive approach to acquiring spatial-temporal information of mobile objects to generate traffic data streams. The method involves dividing data space into cells, grouping adjacent cells with similar frequencies into fewer buckets, and calculating Kalman gains based on these frequencies. Additionally, it utilizes a binary partition tree to form a BPT index for the current timestamp, which is serialized to create a historical index. The system is designed to perform aggregate queries effectively, optimizing the estimation of bucket frequencies when significant changes occur.

Career Highlights

Dingsheng Wan is affiliated with Hohai University, where he contributes to research and development in traffic data processing. His academic background and expertise have positioned him as a key figure in this innovative field. His work not only advances theoretical knowledge but also has practical applications in real-world traffic management systems.

Collaborations

Dingsheng Wan has collaborated with notable colleagues such as Jun Feng and Zhixian Tang. Their combined efforts in research and development have furthered advancements in traffic data processing technologies.

Conclusion

Dingsheng Wan's contributions to traffic data stream processing exemplify the importance of innovation in addressing modern transportation challenges. His patent reflects a significant step forward in optimizing traffic data management systems.