Inventor
CAI MENGCHU
US26 patents
⚠️ This page may combine multiple inventors who share the name “CAI MENGCHU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
13 patentsUS7124137B2Oct 17, 2006
Method, system, and program for optimizing processing of nested functions
IBM24 citations92
US7120864B2Oct 10, 2006
Eliminating superfluous namespace declarations and undeclaring default namespaces in XML serialization processing
IBM21 citations92
US7657570B2Feb 2, 2010
Optimizing aggregate processing
IBM43 citations90
US9430582B2Aug 30, 2016
Efficient method of using XML value indexes without exact path information to filter XML documents for more specific XPath queries
IBM3 citations73
US7243098B2Jul 10, 2007
Method, system, and program for optimizing aggregate processing
IBM9 citations72
US9471555B1Oct 18, 2016
Optimizing update operations in hierarchically structured documents
IBM2 citations60
US7376646B2May 20, 2008
Cost-based subquery correlation and decorrelation
IBM5 citations60
US9519662B2Dec 13, 2016
Boolean term conversion for null-tolerant disjunctive predicates
IBM2 citations59
US7840552B2Nov 23, 2010
Cost-based subquery correlation and decorrelation
IBM0 citations50
US9934210B2Apr 3, 2018
Optimizing update operations in hierarchically structured documents
IBM0 citations49
US9934209B2Apr 3, 2018
Optimizing update operations in hierarchically structured documents
IBM0 citations49
US9747264B2Aug 29, 2017
Optimizing update operations in hierarchically structured documents
IBM0 citations49
US9524305B2Dec 20, 2016
Boolean term conversion for null-tolerant disjunctive predicates
IBM0 citations49
AMAZON TECH INC
9 patentsUS10528599B1Jan 7, 2020
Tiered data processing for distributed data
AMAZON TECH INC175 citations98
US10769148B1Sep 8, 2020
Relocating data sharing operations for query processing
AMAZON TECH INC74 citations96
US11074261B1Jul 27, 2021
Format independent processing for distributed data
AMAZON TECH INC24 citations94
US10860562B1Dec 8, 2020
Dynamic predicate indexing for data stores
AMAZON TECH INC26 citations92
US10289723B1May 14, 2019
Distributed union all queries
AMAZON TECH INC14 citations86
US11308100B2Apr 19, 2022
Dynamically assigning queries to secondary query processing resources
AMAZON TECH INC7 citations84
US12298977B1May 13, 2025
Dynamic selection of database data topologies for performing queries
AMAZON TECH INC4 citations71
US11868359B2Jan 9, 2024
Dynamically assigning queries to secondary query processing resources
AMAZON TECH INC2 citations71
US11960468B1Apr 16, 2024
Late-binding database views
AMAZON TECH INC0 citations45