Bishwaranjan (Bhatta) Bhattacharjee  Bishwaranjan  (Bhatta) Bhattacharjee photo       

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Senior Technical Staff Member (STSM), Master Inventor, Member IBM Academy of Technology
Thomas J. Watson Research Center, Yorktown Heights, NY USA
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Professional Associations

Professional Associations:  ACM  |  ACM SIGMOD  |  IBM Academy of Technology  |  IEEE

more information

More information:  Innovation Matters : MDC article


2012

Temperature-aware buffered caching for solid state storage
Bishwaranjan Bhattacharjee, Mustafa Canim, Christian A Lang, George A Mihaila, Kenneth A Ross, others
US Patent 8,161,241


2011



Speed selective table scan operation
B. Bhattacharjee, C.A. Lang, T.R. Malkemus, S. Padmanabhan, K. Wong, others
US Patent 7,937,541

Increasing buffer locality during multiple table access operations
B. Bhattacharjee, C.A. Lang, T.R. Malkemus, S. Padmanabhan, K. Wong
US Patent 8,010,766

Method for fast deletion of physically clustered data
B. Bhattacharjee, L.A. Buback, T.R. Malkemus, M.J. Winer, others
US Patent 8,005,872


2010




2009





2008

COMPRESSION OF SORTED VALUE INDEXES USING COMMON PREFIXES
B. Bhattacharjee, S. Lau, L. Lim, T.R. Malkemus, C. Mcarthur, G.A. Mihaila, R. Sherkat, Z.G. Toth
US Patent App. 12/241,458



2007



System and method for a multi-level locking hierarchy in a database with multi-dimensional clustering
B. Bhattacharjee, L.A. Cranston, M.A. Huras, T.R. Malkemus, C.S. McArthur, S.K. Padmanabhan, M.J. Winer
US Patent 7,236,974


2006

Multidimensional data clustering scheme for query processing and maintenance in relational databases
R.C. Agarwal, B. Bhattacharjee, L.A. Cranston, M.A. Huras, T.W.H. Lai, T.R. Malkemus, S.K. Padmanabhan, others
US Patent 7,080,081


2005

Method and system for query processing by combining indexes of multilevel granularity or composition
B. Bhattacharjee, L.A. Cranston, M.A. Huras, T.W.H. Lai, T.R. Malkemus, S.K. Padmanabhan, K. Truuvert, others
US Patent 6,925,463


2003

Confidential fraud detection system and method
Naoki Abe, Carl E Abrams, Chidanand V Apte, Bishwaranjan Bhattacharjee, Kenneth A Goldman, Matthias Gruetzner, Matthew A Hilbert, John Langford, Sriram K Padmanabhan, Charles P Tresser, others
US Patent App. 10/690,778