Inventor
IYER BALAKRISHNA RAGHAVENDRA
US43 patents
⚠️ This page may combine multiple inventors who share the name “IYER BALAKRISHNA RAGHAVENDRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
38 patentsUS6272487B1Aug 7, 2001
Query optimization through the use of multi-column statistics to avoid the problems of non-indexed column correlation
IBM125 citations99
US8037034B2Oct 11, 2011
Methods of creating a dictionary for data compression
IBM309 citations98
US7283072B1Oct 16, 2007
Methods of creating a dictionary for data compression
IBM190 citations98
US5899992AMay 4, 1999
Scalable set oriented classifier
IBM115 citations98
US5706495AJan 6, 1998
Encoded-vector indices for decision support and warehousing
IBM315 citations98
US6411964B1Jun 25, 2002
Methods for in-place online reorganization of a database
IBM119 citations97
US6134555AOct 17, 2000
Dimension reduction using association rules for data mining application
IBM123 citations97
US6038562AMar 14, 2000
Interface to support state-dependent web applications accessing a relational database
IBM134 citations97
US7500111B2Mar 3, 2009
Querying encrypted data in a relational database system
IBM45 citations96
US6301575B1Oct 9, 2001
Using object relational extensions for mining association rules
IBM73 citations96
US6088691AJul 11, 2000
Enumerating projection in SQL queries containing outer and full outer joins in the presence of inner joins
IBM86 citations96
US5995957ANov 30, 1999
Query optimization through the use of multi-column statistics to avoid the problems of column correlation
IBM74 citations96
US5960427ASep 28, 1999
Reordering of complex SQL queries involving groupbys, joins, outer joins and full outer joins
IBM51 citations96
US5940822AAug 17, 1999
Encoding method of members related by multiple concept or group hierarchies and identification of members in a corpus or a database that are descendants of one or more selected concepts or groups from the encoding
IBM63 citations96
US7680771B2Mar 16, 2010
Apparatus, system, and method for database provisioning
IBM61 citations95
US6032146AFeb 29, 2000
Dimension reduction for data mining application
IBM76 citations95
US5978792ANov 2, 1999
Method and apparatus for generating dynamic and hybrid sparse indices for workfiles used in SQL queries
IBM69 citations95
US5758145AMay 26, 1998
Method and apparatus for generating dynamic and hybrid sparse indices for workfiles used in SQL queries
IBM74 citations95
US5826262AOct 20, 1998
Parallel bottom-up construction of radix trees
IBM89 citations94
US5864847AJan 26, 1999
Reordering of complex SQL queries involving groupbys, joins, outer joins and full outer joins
IBM17 citations93
US5713015AJan 27, 1998
Reordering of complex SQL queries involving GROUPBYs, joins, outer joins and full outer joins
IBM32 citations93
US7783900B2Aug 24, 2010
Querying encrypted data in a relational database system
IBM19 citations92
US7685437B2Mar 23, 2010
Query optimization in encrypted database systems
IBM27 citations92
US6906719B2Jun 14, 2005
System and method for content-based querying using video compression format
IBM26 citations92
US6456998B1Sep 24, 2002
Efficient processing of parent-child relationships in a relational database management system
IBM42 citations91
US6748448B1Jun 8, 2004
High performance internet storage access scheme
IBM36 citations90
US6282541B1Aug 28, 2001
Efficient groupby aggregation in tournament tree sort
IBM42 citations90
US5706489AJan 6, 1998
Method for a CPU to utilize a parallel instruction execution processing facility for assisting in the processing of the accessed data
IBM47 citations90
US5655146AAug 5, 1997
Coexecution processor isolation using an isolation process or having authority controls for accessing system main storage
IBM35 citations88
US7478081B2Jan 13, 2009
Selection of a set of optimal n-grams for indexing string data in a DBMS system under space constraints introduced by the system
IBM14 citations84
US7991783B2Aug 2, 2011
Apparatus, system, and method for supporting storage functions using an embedded database management system
IBM16 citations83
US6262675B1Jul 17, 2001
Method of compressing data with an alphabet
IBM9 citations74
US5855019ADec 29, 1998
Enumerating projections in SQL queries containing outer and full outer joins in the presence of inner joins
IBM11 citations74
US7171420B2Jan 30, 2007
Method and system for utilizing a database as a service
IBM9 citations68
US8001128B2Aug 16, 2011
Selection of a set of optimal n-grams for indexing string data in a DBMS system under space constraints introduced by the system
IBM4 citations63
US7460033B2Dec 2, 2008
Method for creating an in-memory physical dictionary for data compression
IBM2 citations62
US7840774B2Nov 23, 2010
Compressibility checking avoidance
IBM5 citations61
US7973680B2Jul 5, 2011
Method and system for creating an in-memory physical dictionary for data compression
IBM1 citations51