Inventor

MALKEMUS TIMOTHY RAY

US13 patents

⚠️ This page may combine multiple inventors who share the name “MALKEMUS TIMOTHY RAY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IBM

9 patents

US6983275B2Jan 3, 2006

Optimizing database query by generating, determining the type of derived predicate based on monotonicity of the column generating expression for each remaining inequality predicate in the list of unexamined predicates

IBM37 citations91

US7483873B2Jan 27, 2009

Method, system and article of manufacture for improving execution efficiency of a database workload

IBM14 citations83

US8005872B2Aug 23, 2011

Method for fast deletion of physically clustered data

IBM7 citations82

US7631014B2Dec 8, 2009

Method and apparatus for fast deletion of physically clustered data

IBM8 citations82

US7685181B2Mar 23, 2010

Method and system for utilizing a hierarchical bitmap structure to provide a fast and reliable mechanism to represent large deleted data sets in relational databases

IBM9 citations79

US11126503B2Sep 21, 2021

Pre-filtering of join execution over multi-column range summaries and other synopses

IBM3 citations72

US7516117B2Apr 7, 2009

Method for accelerating range queries using periodic monotonic properties of non-monotonic functions

IBM2 citations61

US7512747B2Mar 31, 2009

Method and apparatus for efficiently supporting multiple one-time table access operations in a hierarchical memory setting

IBM5 citations61

US7519583B2Apr 14, 2009

Detecting and tracking monotonicity for accelerating range and inequality queries

IBM0 citations51

BHATTACHARJEE BISHWARANJAN

4 patents

US8140516B2Mar 20, 2012

Method, system and article of manufacture for improving execution efficiency of a database workload

BHATTACHARJEE BISHWARANJAN6 citations83

US8176035B2May 8, 2012

Detecting and tracking monotonicity for accelerating range and inequality queries

BHATTACHARJEE BISHWARANJAN2 citations62

US8126929B2Feb 28, 2012

Method and apparatus for encoding list of variable length structures to support bi-directional scans

BHATTACHARJEE BISHWARANJAN5 citations62

US8990173B2Mar 24, 2015

Method and apparatus for selecting an optimal delete-safe compression method on list of delta encoded integers

BHATTACHARJEE BISHWARANJAN0 citations41