Inventor · disambiguated record
Hakan Jakobsson
Also filed as: JAKOBSSON HAAKAN · JAKOBSSON HAKAN
34 granted patents·1,995 citations·filing 1996–2014
98Inventor score
Top patents by PatentIndex Score
34 records- 0194US9372889B1Incremental statistics updateAMAZON TECH INC·Filed 2013·Granted Jun 21, 2016·41 cites·24 claims
- 0294US8825678B2Hash join using collaborative parallel filtering in intelligent storage with offloaded bloom filtersPOTAPOV DMITRY·Filed 2009·Granted Sep 2, 2014·57 cites·54 claims
- 0392US5963932AMethod and apparatus for transforming queriesORACLE CORP·Filed 1997·Granted Oct 5, 1999·193 cites·22 claims
- 0491US10592506B1Query hint specificationAMAZON TECH INC·Filed 2013·Granted Mar 17, 2020·19 cites·15 claims
- 0591US5848408AMethod for executing star queriesORACLE CORP·Filed 1997·Granted Dec 8, 1998·173 cites·20 claims
- 0690US5899988ABitmapped indexing with high granularity lockingORACLE CORP·Filed 1997·Granted May 4, 1999·137 cites·27 claims
- 0789US6965891B1Method and mechanism for partition pruningORACLE INT CORP·Filed 2001·Granted Nov 15, 2005·53 cites·60 claims
- 0889US6144957AMethod and apparatus for using incompatible types of indexes to process a single queryORACLE CORP·Filed 1999·Granted Nov 7, 2000·133 cites·25 claims
- 0989US5822748AGroup by and distinct sort elimination using cost-based optimizationORACLE CORP·Filed 1997·Granted Oct 13, 1998·96 cites·14 claims
- 1087US9336275B2Hash join using collaborative parallel filtering in intelligent storage with offloaded bloom filtersORACLE INT CORP·Filed 2014·Granted May 10, 2016·8 cites·24 claims
- 1185US6615206B1Techniques for eliminating database table joins based on a join indexORACLE INT CORP·Filed 2002·Granted Sep 2, 2003·61 cites·18 claims
- 1284US7213012B2Optimizer dynamic samplingORACLE INT CORP·Filed 2003·Granted May 1, 2007·65 cites·56 claims
- 1384US6957211B1Query optimizer cost modelORACLE INT CORP·Filed 2002·Granted Oct 18, 2005·51 cites·40 claims
- 1484US6377943B1Initial ordering of tables for database queriesORACLE CORP·Filed 1999·Granted Apr 23, 2002·115 cites·12 claims
- 1584US6067540ABitmap segmentationORACLE CORP·Filed 1997·Granted May 23, 2000·66 cites·34 claims
- 1683US7167852B1Systems and methods for increasing allowable join orders in query optimizationORACLE INT CORP·Filed 2002·Granted Jan 23, 2007·35 cites·27 claims
- 1783US5974408AMethod and apparatus for executing a query that specifies a sort plus operationORACLE CORP·Filed 1998·Granted Oct 26, 1999·87 cites·19 claims
- 1882US5924088AIndex selection for an index access pathORACLE CORP·Filed 1997·Granted Jul 13, 1999·102 cites·26 claims
- 1981US6266662B1Bitmap segmentationORACLE CORP·Filed 2000·Granted Jul 24, 2001·26 cites·49 claims
- 2078US7092931B1Methods and systems for database statement execution plan optimizationORACLE CORP·Filed 2002·Granted Aug 15, 2006·31 cites·38 claims
- 2178US5903888AMethod and apparatus for using incompatible types of indexes to process a single queryORACLE CORP·Filed 1997·Granted May 11, 1999·47 cites·10 claims
- 2277US6141656AQuery processing using compressed bitmapsORACLE CORP·Filed 1997·Granted Oct 31, 2000·83 cites·28 claims
- 2376US5907297ABitmap index compressionORACLE CORP·Filed 1997·Granted May 25, 1999·45 cites·18 claims
- 2471US5884307AUpdating bitmapped indexesORACLE CORP·Filed 1997·Granted Mar 16, 1999·59 cites·21 claims
- 2569US6195656B1Bitmap segmentationORACLE CORP·Filed 1999·Granted Feb 27, 2001·29 cites·20 claims
- 2665US5963935ACombining bitmaps within a memory limitORACLE CORP·Filed 1997·Granted Oct 5, 1999·48 cites·21 claims
- 2764US6081800ACreating bitmaps from multi-level identifiersORACLE CORP·Filed 1997·Granted Jun 27, 2000·45 cites·19 claims
- 2863US5819256AMethod and apparatus for processing count statements in a database systemORACLE CORP·Filed 1996·Granted Oct 6, 1998·42 cites·20 claims
- 2962US5732258AMethod and apparatus for efficiently evaluating exists and not exists equivalent subqueriesORACLE CORP·Filed 1996·Granted Mar 24, 1998·30 cites·18 claims
- 3056US8224813B2Cost based analysis of direct I/O accessKALUSKAR SANJAY·Filed 2006·Granted Jul 17, 2012·1 cites·32 claims
- 3151US7756853B2Frequent itemset counting using subsets of bitmapsORACLE INT CORP·Filed 2004·Granted Jul 13, 2010·2 cites·12 claims
- 3249US7324985B2Methods and systems for database statement execution plan optimizationORACLE INT CORP·Filed 2006·Granted Jan 29, 2008·2 cites·9 claims
- 3348US6205442B1Bitmap index compressionORACLE CORP·Filed 1999·Granted Mar 20, 2001·12 cites·19 claims
- 3442US9822652B2Supporting structure for a gas turbine engineSJOQVIST ROGER·Filed 2012·Granted Nov 21, 2017·1 cites·18 claims
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