Beijing, China

Dongchang Lei

This inventor holds 1 USPTO granted patent. Top assignee: Beijing Baidu Netcom Science Technology Co., Ltd.. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dongchang Lei. Retrieved from https://idiyas.com/inventor/dongchang-lei

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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Average Co-Inventor Count = 1.0


Company Filing History:


Years Active: 2026

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1 patent (USPTO):Explore Patents

Title: Dongchang Lei: Advancing SQL Evaluation with Large Language Models

Introduction

Dongchang Lei is an inventor based in Beijing, China, associated with Beijing Baidu Netcom Science Technology Co., Ltd. His patent work addresses the evaluation of structured query language (SQL) generated by large language models.

Latest Patents

Lei is named on 1 patent: “Structured Query Language Evaluation Method, Electronic Device and Storage Medium.” The invention describes generating predicted SQL from a query question using a large language model and evaluating its accuracy. When a target SQL query is available, the method compares the predicted query with it. When no target query is available, the method evaluates the prediction using semantic analysis.

Career Highlights

The patent connects data processing with large language models and natural language processing. Its approach provides ways to assess generated SQL both with and without a reference query.

Collaborations

Lei’s listed coworkers include Wenli Song and Mingyang Dai. The patent is associated with Beijing Baidu Netcom Science Technology Co., Ltd.

Conclusion

Dongchang Lei’s patent focuses on evaluating model-generated SQL through comparison with a target query or through semantic analysis when no target is available.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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