Hongyuan Zha

Title: Innovations of Hongyuan Zha

Introduction

Hongyuan Zha is a prominent inventor based in State College, PA (US). He has made significant contributions to the field of information retrieval and document classification. With a total of 13 patents to his name, Zha's work has had a considerable impact on how documents are processed and ranked.

Latest Patents

One of his latest patents is titled "Associating documents with classifications and ranking documents based on classification weights." This invention provides a method and apparatus for associating documents with classification values and ranking them based on these weights. The process involves determining if a document is associated with a classification and adjusting its rank based on the associated weight. Another notable patent is "Learning retrieval functions incorporating query differentiation for information retrieval." This system allows for the determination of the relevance of a content item to a query using a machine-learned relevance function that incorporates query differentiation. The method includes generating a training set of content item-query pairs to minimize a loss function, ensuring that the relevance function can be applied to new queries effectively.

Career Highlights

Hongyuan Zha is currently employed at Yahoo! Inc., where he continues to innovate and develop new technologies. His work focuses on enhancing the efficiency and accuracy of information retrieval systems.

Collaborations

Some of his notable coworkers include Gordon Sun and Zhaohui Zheng, who have collaborated with him on various projects and patents.

Conclusion

Hongyuan Zha's contributions to the field of information retrieval and document classification are noteworthy. His innovative patents and ongoing work at Yahoo! Inc. continue to shape the future of technology in this domain.