Yun Wang
58Patents
24h-index
106Co-inventors
91Inventor score
Filing activity: Jul 15, 1988 → Jun 14, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5367675A | Computer automated system and method for optimizing the processing of a query in a relational database system by merging subqueries with the query | Emerging Cross-Sectional Technologies | 171 | Expired |
| US6374235B1 | Method, system, and program for a join operation on a multi-column table and satellite tables including duplicate values | Emerging Cross-Sectional Technologies | 125 | Expired |
| US5692174A | Query parallelism in a shared data DBMS system | Emerging Cross-Sectional Technologies | 120 | Expired |
| US6278994A | Fully integrated architecture for user-defined search | Emerging Cross-Sectional Technologies | 108 | Expired |
| US5241648A | Hybrid technique for joining tables | Emerging Cross-Sectional Technologies | 99 | Expired |
| US6009265A | Program product for optimizing parallel processing of database queries | Emerging Cross-Sectional Technologies | 99 | Expired |
| US5574900A | System and method for optimizing parallel processing of database queries | Emerging Cross-Sectional Technologies | 80 | Expired |
| US5043872A | Access path optimization using degrees of clustering | Emerging Cross-Sectional Technologies | 74 | Expired |
| US6219662A | Supporting database indexes based on a generalized B-tree index | Emerging Cross-Sectional Technologies | 68 | Expired |
| US5940819A | User specification of query access paths in a relational database management system | Emerging Cross-Sectional Technologies | 62 | Expired |
| US5768577A | Performance optimization in a heterogeneous, distributed database environment | Emerging Cross-Sectional Technologies | 58 | Expired |
| US5590321A | Push down optimization in a distributed, multi-database system | Emerging Cross-Sectional Technologies | 57 | Expired |
| US6009428A | System and method for providing a single application program interface for heterogeneous databases | Emerging Cross-Sectional Technologies | 56 | Expired |
| US7139749B2 | Method, system, and program for performance tuning a database query | Emerging Cross-Sectional Technologies | 54 | Expired |
| US6792420B2 | Method, system, and program for optimizing the processing of queries involving set operators | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5588150A | Push down optimization in a distributed, multi-database system | Emerging Cross-Sectional Technologies | 47 | Expired |
| US6446063B1 | Method, system, and program for performing a join operation on a multi column table and satellite tables | Emerging Cross-Sectional Technologies | 47 | Expired |
| US7657570B2 | Optimizing aggregate processing | Emerging Cross-Sectional Technologies | 43 | Active |
| US6385603B1 | Joined table expression optimization by query transformation | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6065013A | Optimal storage mechanism for persistent objects in DBMS | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5797000A | Method of performing a parallel relational database query in a multiprocessor environment | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5706499A | Functional compensation in a heterogeneous, distributed database environment | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6421663B1 | Optimization of joined table expressions by extended access path selection | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6266663A | User-defined search using index exploitation | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6253196A | Generalized model for the exploitation of database indexes | Emerging Cross-Sectional Technologies | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.