Inventor · Shanghai, CN

Yu Xu

68Patents
8h-index
75Co-inventors
81Inventor score

Filing activity: Jan 22, 2004 → Mar 1, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7356528B1 Phrase matching in documents having nested-structure arbitrary (document-specific) markup Emerging Cross-Sectional Technologies 28 Expired
US8543596B1 Assigning blocks of a file of a distributed file system to processing units of a parallel database management system Physics 28 Active
US8195644B2 System, method, and computer-readable medium for optimization of multiple parallel join operations on skewed data Physics 26 Active
US8600994B1 Performing an outer join between a small table and a large table Physics 21 Active
US7263287B2 Method and apparatus for assessing performance of optical systems Electricity 11 Expired
US8832157B1 System, method, and computer-readable medium that facilitates efficient processing of distinct counts on several columns in a parallel processing system Physics 10 Active
USD964943S1 Electrical connection box General 9 Active
US7941424B2 System, method, and computer-readable medium for dynamic detection and management of data skew in parallel join operations Physics 9 Active
US8868545B2 Techniques for optimizing outer joins Physics 8 Active
US8150836B2 System, method, and computer-readable medium for reducing row redistribution costs for parallel join operations Physics 8 Active
US8131711B2 System, method, and computer-readable medium for partial redistribution, partial duplication of rows of parallel join operation on skewed data Physics 6 Active
US8234268B2 System, method, and computer-readable medium for optimizing processing of distinct and aggregation queries on skewed data in a database system Physics 5 Active
US11288315B2 Redirecting graph queries Physics 5 Active
US8549006B2 Phrase matching in documents having nested-structure arbitrary (document-specific) markup Emerging Cross-Sectional Technologies 4 Active
US8086606B1 Performing a keyword search based on identifying exclusive lowest common ancestor (ELCA) nodes Physics 4 Active
US8688722B1 Processing a sequence of outer joins Physics 3 Active
USD511071S1 Egg beater General 3 Expired
US8229011B2 Fine symbol timing synchronization method and apparatus in OFDM system Electricity 3 Active
US8510280B2 System, method, and computer-readable medium for dynamic detection and management of data skew in parallel join operations Physics 3 Active
US10006525B2 Flexibly engaged continuously variable transmission gearbox Mechanical Engineering; Lighting; Heating 2 Active
USD1041107S1 Robot vacuum cleaner dust bag General 2 Active
US8566847B2 Out-of-band host management via a management controller Physics 2 Active
US11954426B2 Method and apparatus for displaying online document, and storage medium Electricity 2 Active
US11720235B2 Method and apparatus for browsing table in document, and electronic device and storage medium Emerging Cross-Sectional Technologies 1 Active
US8938480B2 Techniques for fast loading of data from an external distributed file system to a database management system Physics 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.