Inventor · disambiguated record
Guy M. Lohman
Also filed as: LOHMAN GUY M · LOHMAN GUY MARING
86 granted patents·3 pending applications·2,698 citations·filing 1992–2021
99Inventor score
Top patents by PatentIndex Score
89 records- 0198US9547659B1Reducing the cost of update, delete, and append-only insert operations in a databaseIBM·Filed 2015·Granted Jan 17, 2017·28 cites·1 claims
- 0297US7493319B1Computer automated discovery of interestingness in faceted searchIBM·Filed 2008·Granted Feb 17, 2009·63 cites·1 claims
- 0397US7392250B1Discovering interestingness in faceted searchIBM·Filed 2007·Granted Jun 24, 2008·88 cites·1 claims
- 0497US6112198AOptimization of data repartitioning during parallel query optimizationIBM·Filed 1998·Granted Aug 29, 2000·335 cites·44 claims
- 0597US6092062ARelational database query optimization to perform query evaluation plan, pruning based on the partition propertiesIBM·Filed 1997·Granted Jul 18, 2000·334 cites·2 claims
- 0695US7958113B2Automatically and adaptively determining execution plans for queries with parameter markersIBM·Filed 2008·Granted Jun 7, 2011·62 cites·11 claims
- 0795US6725212B2Platform-independent method and system for graphically presenting the evaluation of a query in a database management systemIBM·Filed 2001·Granted Apr 20, 2004·129 cites·42 claims
- 0894US7412429B1Method for data classification by kernel density shape interpolation of clustersIBM·Filed 2007·Granted Aug 12, 2008·46 cites·5 claims
- 0994US7406200B1Method and system for finding structures in multi-dimensional spaces using image-guided clusteringIBM·Filed 2008·Granted Jul 29, 2008·31 cites·5 claims
- 1094US6345267B1Method and system for look ahead query evaluation planning based on interesting partition propertiesIBM·Filed 2000·Granted Feb 5, 2002·94 cites·11 claims
- 1192US7774336B2Adaptively reordering joins during query executionIBM·Filed 2007·Granted Aug 10, 2010·35 cites·20 claims
- 1292US6763359B2Learning from empirical results in query optimizationIBM·Filed 2001·Granted Jul 13, 2004·100 cites·28 claims
- 1391US9405858B2On-the-fly encoding method for efficient grouping and aggregationIBM·Filed 2013·Granted Aug 2, 2016·12 cites·13 claims
- 1491US7007006B2Method for recommending indexes and materialized views for a database workloadIBM·Filed 2002·Granted Feb 28, 2006·90 cites·14 claims
- 1590US7836356B2Method for monitoring dependent metric streams for anomaliesIBM·Filed 2008·Granted Nov 16, 2010·25 cites·5 claims
- 1690US7447681B2Method, system and program for selection of database characteristicsIBM·Filed 2005·Granted Nov 4, 2008·32 cites·28 claims
- 1790US6738755B1Query optimization method for incrementally estimating the cardinality of a derived relation when statistically correlated predicates are appliedIBM·Filed 2000·Granted May 18, 2004·82 cites·66 claims
- 1889US8001109B2System and method for automating data partitioning in a parallel databaseIBM·Filed 2008·Granted Aug 16, 2011·20 cites·20 claims
- 1989US7716215B2System, method, and computer program product for progressive query processingIBM·Filed 2007·Granted May 11, 2010·32 cites·1 claims
- 2089US5960428AStar/join query optimizationIBM·Filed 1997·Granted Sep 28, 1999·119 cites·75 claims
- 2188US6356889B1Method for determining optimal database materializations using a query optimizerIBM·Filed 1999·Granted Mar 12, 2002·147 cites·11 claims
- 2288US5301317ASystem for adapting query optimization effort to expected execution timeIBM·Filed 1992·Granted Apr 5, 1994·141 cites·7 claims
- 2387US11042522B2Resolving versions in an append-only large-scale data store in distributed data management systemsIBM·Filed 2018·Granted Jun 22, 2021·4 cites·20 claims
- 2487US9772911B2Pooling work across multiple transactions for reducing contention in operational analytics systemsIBM·Filed 2015·Granted Sep 26, 2017·5 cites·20 claims
- 2586US7840946B2System and method for matching a plurality of ordered sequences with applications to call stack analysis to identify known software problemsIBM·Filed 2006·Granted Nov 23, 2010·17 cites·19 claims
- 2686US7636735B2Method for estimating the cost of query processingIBM·Filed 2005·Granted Dec 22, 2009·17 cites·15 claims
- 2785US7519227B1Finding structures in multi-dimensional spaces using image-guided clusteringIBM·Filed 2008·Granted Apr 14, 2009·11 cites·5 claims
- 2884US7383246B2System, method, and computer program product for progressive query processingIBM·Filed 2003·Granted Jun 3, 2008·37 cites·1 claims
- 2984US6732110B2Estimation of column cardinality in a partitioned relational databaseIBM·Filed 2001·Granted May 4, 2004·39 cites·24 claims
- 3083US9141667B2Efficient join with one or more large dimension tablesIBM·Filed 2013·Granted Sep 22, 2015·7 cites·23 claims
- 3183US5930785AMethod for detecting and optimizing queries with encoding/decoding tablesIBM·Filed 1997·Granted Jul 27, 1999·113 cites·15 claims
- 3282US5548758AOptimization of SQL queries using early-out join transformations of column-bound relational tablesIBM·Filed 1995·Granted Aug 20, 1996·91 cites·21 claims
- 3381US9922077B2Reducing the cost of update, delete, and append-only insert operations in a databaseIBM·Filed 2016·Granted Mar 20, 2018·2 cites·1 claims
- 3481US9875280B2Efficient partitioned joins in a database with column-major layoutARNDT STEFAN·Filed 2012·Granted Jan 23, 2018·5 cites·9 claims
- 3581US7558425B1Finding structures in multi-dimensional spaces using image-guided clusteringIBM·Filed 2008·Granted Jul 7, 2009·8 cites·5 claims
- 3680US10346404B2Efficient partitioned joins in a database with column-major layoutIBM·Filed 2016·Granted Jul 9, 2019·2 cites·20 claims
- 3779US10650011B2Efficient performance of insert and point query operations in a column storeIBM·Filed 2015·Granted May 12, 2020·3 cites·20 claims
- 3879US6665663B2Outerjoin and antijoin reordering using extended eligibility listsIBM·Filed 2001·Granted Dec 16, 2003·27 cites·36 claims
- 3978US9355146B2Efficient partitioned joins in a database with column-major layoutARNDT STEFAN·Filed 2012·Granted May 31, 2016·4 cites·7 claims
- 4078US7281004B2Method, system and program for optimizing compression of a workload processed by a database management systemIBM·Filed 2004·Granted Oct 9, 2007·26 cites·13 claims
- 4177US10108653B2Concurrent reads and inserts into a data structure without latching or waiting by readersIBM·Filed 2015·Granted Oct 23, 2018·2 cites·20 claims
- 4277US7562090B2System and method for automating data partitioning in a parallel databaseIBM·Filed 2002·Granted Jul 14, 2009·21 cites·7 claims
- 4376US8838551B2Multi-level database compressionFANGHAENEL THOMAS·Filed 2011·Granted Sep 16, 2014·7 cites·20 claims
- 4476US7490110B2Predictable query execution through early materializationIBM·Filed 2006·Granted Feb 10, 2009·16 cites·30 claims
- 4575US5548754AOptimization of SQL queries using early-out join transformationsIBM·Filed 1995·Granted Aug 20, 1996·61 cites·9 claims
- 4674US9881049B2Reducing the cost of update, delete, and append-only insert operations in a databaseIBM·Filed 2016·Granted Jan 30, 2018·1 cites·1 claims
- 4774US9535940B2Intra-block partitioning for database managementBARBER RONALD J·Filed 2012·Granted Jan 3, 2017·3 cites·5 claims
- 4874US8166022B2System, method, and apparatus for parallelizing query optimizationHAN WOOK-SHIN·Filed 2009·Granted Apr 24, 2012·10 cites·18 claims
- 4973US9535939B2Intra-block partitioning for database managementBARBER RONALD J·Filed 2012·Granted Jan 3, 2017·3 cites·11 claims
- 5073US7356526B2Estimating the compilation time of a query optimizerIBM·Filed 2003·Granted Apr 8, 2008·27 cites·28 claims
Showing the top 50 of 89 patent records by PatentIndex Score.
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