Inventor · disambiguated record
Olli Pekka Kostamaa
Also filed as: KOSTAMAA OLLI PEKKA
19 granted patents·6 pending applications·392 citations·filing 1995–2022
94Inventor score
Top patents by PatentIndex Score
25 records- 0192US8600994B1Performing an outer join between a small table and a large tableXU YU·Filed 2010·Granted Dec 3, 2013·27 cites·17 claims
- 0291US9235590B1Selective data compression in a database systemWANG GUILIAN·Filed 2012·Granted Jan 12, 2016·28 cites·26 claims
- 0390US5864842AOptimization of SQL queries using hash star join operationsNCR CORP·Filed 1995·Granted Jan 26, 1999·181 cites·21 claims
- 0485US6618729B1Optimization of a star join operation using a bitmap index structureNCR CORP·Filed 2000·Granted Sep 9, 2003·70 cites·44 claims
- 0581US8150836B2System, method, and computer-readable medium for reducing row redistribution costs for parallel join operationsXU YU·Filed 2008·Granted Apr 3, 2012·11 cites·20 claims
- 0675US9336270B2Techniques for accessing a parallel database system via external programs using vertical and/or horizontal partitioningTERADATA US INC·Filed 2014·Granted May 10, 2016·3 cites·20 claims
- 0770US8832074B2System, method and computer-readable medium for dynamic skew avoidance for generic queriesZHOU XIN·Filed 2009·Granted Sep 9, 2014·5 cites·18 claims
- 0870US8234268B2System, method, and computer-readable medium for optimizing processing of distinct and aggregation queries on skewed data in a database systemXU YU·Filed 2008·Granted Jul 31, 2012·5 cites·22 claims
- 0967US8510280B2System, method, and computer-readable medium for dynamic detection and management of data skew in parallel join operationsXU YU·Filed 2009·Granted Aug 13, 2013·4 cites·26 claims
- 1061US8938444B2Techniques for external application-directed data partitioning in data exporting from a database management systemXU YU·Filed 2011·Granted Jan 20, 2015·1 cites·20 claims
- 1160US8099409B2System, method, and computer-readable medium for duplication optimization for parallel join operations on similarly large skewed tablesZHOU XIN·Filed 2008·Granted Jan 17, 2012·2 cites·2 claims
- 1260US7870123B2Database optimizer plan validation and characterizationsTERADATA US INC·Filed 2006·Granted Jan 11, 2011·2 cites·26 claims
- 1359US7386536B1Statistical representation of skewed dataTERADATA US INC·Filed 2003·Granted Jun 10, 2008·15 cites·15 claims
- 1459US6704724B1Parallel optimizer hints with a direct manipulation user interfaceNCR CORP·Filed 1999·Granted Mar 9, 2004·37 cites·27 claims
- 1556US9424260B2Techniques for data assignment from an external distributed file system to a database management systemTERADATA US INC·Filed 2014·Granted Aug 23, 2016·0 cites·20 claims
- 1656US8126905B2System, method, and computer-readable medium for optimizing the performance of outer joinsXU YU·Filed 2008·Granted Feb 28, 2012·1 cites·14 claims
- 1749US8712994B2Techniques for accessing a parallel database system via external programs using vertical and/or horizontal partitioningXU YU·Filed 2011·Granted Apr 29, 2014·0 cites·15 claims
- 1849US8234292B2System, method, and computer-readable medium for optimizing processing of queries featuring maximum or minimum equality conditions in a parallel processing systemXU YU·Filed 2008·Granted Jul 31, 2012·0 cites·22 claims
- 1948US8713057B2Techniques for data assignment from an external distributed file system to a database management systemQI YAN·Filed 2011·Granted Apr 29, 2014·0 cites·20 claims
- 2047US2010121836A1System, method, and computer-readable medium for eliminating unnecessary self-joins in a database systemXU YU·Filed 2008·Application pending·0 cites
- 2146US2009049024A1Dynamic query optimization between systems based on system conditionsNCR CORP·Filed 2007·Application pending·0 cites
- 2245US2008147603A1Converting temporal data into time series dataKOSTAMAA OLLI PEKKA·Filed 2006·Application pending·0 cites
- 2345US2008147593A1Runtime resource sensitive and data driven optimizationRAMESH BHASHYAM·Filed 2006·Application pending·0 cites
- 2443US2024202576A1Methods and systems for facilitating feature engineering for machine learning modelsGHAZAL AHMAD SAID·Filed 2022·Application pending·0 cites
- 2534US2018181621A1Multi-level reservoir sampling over distributed databases and distributed streamsTERADATA US INC·Filed 2016·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Olli Pekka Kostamaa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →