Inventor · disambiguated record
Timothy R. Malkemus
Also filed as: MALKEMUS TIMOTHY R · MALKEMUS TIMOTHY RAY
37 granted patents·901 citations·filing 1988–2019
98Inventor score
Top patents by PatentIndex Score
37 records- 0193US8010766B2Increasing buffer locality during multiple table access operationsIBM·Filed 2006·Granted Aug 30, 2011·43 cites·20 claims
- 0292US7080081B2Multidimensional data clustering scheme for query processing and maintenance in relational databasesIBM·Filed 2002·Granted Jul 18, 2006·109 cites·42 claims
- 0388US7236974B2System and method for a multi-level locking hierarchy in a database with multi-dimensional clusteringIBM·Filed 2003·Granted Jun 26, 2007·57 cites·34 claims
- 0486US7483873B2Method, system and article of manufacture for improving execution efficiency of a database workloadIBM·Filed 2005·Granted Jan 27, 2009·14 cites·34 claims
- 0584US10719512B2Partitioned bloom filter merge for massively parallel processing clustered data managementIBM·Filed 2017·Granted Jul 21, 2020·3 cites·11 claims
- 0682US6983275B2Optimizing 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 predicatesIBM·Filed 2002·Granted Jan 3, 2006·37 cites·10 claims
- 0781US11126503B2Pre-filtering of join execution over multi-column range summaries and other synopsesIBM·Filed 2016·Granted Sep 21, 2021·3 cites·20 claims
- 0881US11036737B2Partitioned bloom filter merge for massively parallel processing clustered data managementIBM·Filed 2019·Granted Jun 15, 2021·2 cites·6 claims
- 0981US5619692ASemantic optimization of query order requirements using order detection by normalization in a query compiler systemIBM·Filed 1995·Granted Apr 8, 1997·103 cites·20 claims
- 1080US7765211B2System and method for space management of multidimensionally clustered tablesIBM·Filed 2003·Granted Jul 27, 2010·30 cites·21 claims
- 1179US5745746AMethod for localizing execution of subqueries and determining collocation of execution of subqueries in a parallel databaseIBM·Filed 1996·Granted Apr 28, 1998·89 cites·13 claims
- 1278US5226158AMethod and apparatus for maintaining referential integrity within a relational databaseIBM·Filed 1989·Granted Jul 6, 1993·58 cites·3 claims
- 1377US8255398B2Compression of sorted value indexes using common prefixesBHATTACHARJEE BISHWARANJAN·Filed 2008·Granted Aug 28, 2012·12 cites·24 claims
- 1476US7685181B2Method and system for utilizing a hierarchical bitmap structure to provide a fast and reliable mechanism to represent large deleted data sets in relational databasesIBM·Filed 2007·Granted Mar 23, 2010·9 cites·6 claims
- 1575US5386557AEnforcement of referential constraints in a database systemIBM·Filed 1992·Granted Jan 31, 1995·78 cites·10 claims
- 1671US8126929B2Method and apparatus for encoding list of variable length structures to support bi-directional scansBHATTACHARJEE BISHWARANJAN·Filed 2008·Granted Feb 28, 2012·5 cites·20 claims
- 1771US7836036B2System and method for estimating distances between multiple index-driven scan operationsIBM·Filed 2007·Granted Nov 16, 2010·5 cites·20 claims
- 1871US7512747B2Method and apparatus for efficiently supporting multiple one-time table access operations in a hierarchical memory settingIBM·Filed 2006·Granted Mar 31, 2009·5 cites·9 claims
- 1970US8200645B2System and method for executing multiple concurrent index-driven table access operationsBHATTACHARJEE BISHWARANJAN·Filed 2007·Granted Jun 12, 2012·5 cites·20 claims
- 2068US5630124ASystem and method for assuring atomicity of distributed update requests in a parallel databaseIBM·Filed 1993·Granted May 13, 1997·54 cites·17 claims
- 2167US7631014B2Method and apparatus for fast deletion of physically clustered dataIBM·Filed 2006·Granted Dec 8, 2009·8 cites·13 claims
- 2267US5504886ASystem and method for applying user supplied relation definitions to application files for a relational databaseIBM·Filed 1993·Granted Apr 2, 1996·46 cites·6 claims
- 2367US5089985ASystem and method for performing a sort operation in a relational database manager to pass results directly to a user without writing to diskIBM·Filed 1988·Granted Feb 18, 1992·42 cites·18 claims
- 2466US8005872B2Method for fast deletion of physically clustered dataIBM·Filed 2008·Granted Aug 23, 2011·7 cites·12 claims
- 2564US8140516B2Method, system and article of manufacture for improving execution efficiency of a database workloadBHATTACHARJEE BISHWARANJAN·Filed 2008·Granted Mar 20, 2012·6 cites·42 claims
- 2663US9792341B2Database query processing using horizontal data record alignment of multi-column range summariesIBM·Filed 2014·Granted Oct 17, 2017·1 cites·25 claims
- 2763US9229970B2Methods to minimize communication in a cluster database systemGROSMAN RONEN·Filed 2009·Granted Jan 5, 2016·4 cites·20 claims
- 2863USRE37965EMethod for localizing execution or subqueries and determining collocation of execution of subqueries in a parallel databaseIBM·Filed 2000·Granted Jan 7, 2003·9 cites·13 claims
- 2961US7516117B2Method for accelerating range queries using periodic monotonic properties of non-monotonic functionsIBM·Filed 2006·Granted Apr 7, 2009·2 cites·1 claims
- 3060US6925463B2Method and system for query processing by combining indexes of multilevel granularity or compositionIBM·Filed 2002·Granted Aug 2, 2005·7 cites·38 claims
- 3160US5446858AApparatus and method for transferring information in blocks from a database to a memoryIBM·Filed 1992·Granted Aug 29, 1995·35 cites·12 claims
- 3257US7937541B2Speed selective table scan operationIBM·Filed 2006·Granted May 3, 2011·1 cites·15 claims
- 3351US7167878B2System and method for identifying and maintaining base table data blocks requiring deferred incremental integrity maintenanceIBM·Filed 2003·Granted Jan 23, 2007·10 cites·22 claims
- 3450US7519583B2Detecting and tracking monotonicity for accelerating range and inequality queriesIBM·Filed 2006·Granted Apr 14, 2009·0 cites·1 claims
- 3548US8176035B2Detecting and tracking monotonicity for accelerating range and inequality queriesBHATTACHARJEE BISHWARANJAN·Filed 2008·Granted May 8, 2012·2 cites·15 claims
- 3639US10289707B2Data skipping and compression through partitioning of dataIBM·Filed 2015·Granted May 14, 2019·0 cites·18 claims
- 3738US8990173B2Method and apparatus for selecting an optimal delete-safe compression method on list of delta encoded integersBHATTACHARJEE BISHWARANJAN·Filed 2008·Granted Mar 24, 2015·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →