Vijayshankar Raman  Vijayshankar  Raman photo       

contact information

Principal RSM, Master Inventor. Compression, Query Processing, Query Optimization, Transaction Processing.
IBM-Research, Almaden Research Center, San Jose, CA, USA
  +1dash408dash927dash1110

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Professional Associations

Professional Associations:  ACM

more information

More information:  List of Publications at DBLP


2017

Evolving Databases for New-Gen Big Data Applications
Ronald Barber, Christian Garcia-Arellano, Ronen Grosman, Ren\'{e} M\"{u}ller, Vijayshankar Raman, Richard Sidle, Matt Spilchen, Adam J. Storm, Yuanyuan Tian, Pinar T\"{o}z\"{u}n, Daniel C. Zilio, Matt Huras, Guy M. Lohman, Chandrasekaran Mohan, Fatma \"{O
CIDR 2017, 8th Biennial Conference on Innovative Data Systems Research, Chaminade, CA, USA, January 8-11, 2017, Online Proceedings


2016

Wildfire: Concurrent Blazing Data Ingest and Analytics
Ronald Barber, Matt Huras, Guy M. Lohman, C. Mohan, Ren\'{e} M\"{u}ller, Fatma \"{O}zcan, Hamid Pirahesh, Vijayshankar Raman, Richard Sidle, Oleg Sidorkin, Adam J. Storm, Yuanyuan Tian, Pinar T\"{o}z\"{u}n
Proceedings of the 2016 International Conference on Management of Data, SIGMOD Conference 2016, San Francisco, CA, USA, June 26 - July 01, 2016, pp. 2077--2080


2014

Memory-Efficient Hash Joins
Ronald Barber, Guy M. Lohman, Ippokratis Pandis, Vijayshankar Raman, Richard Sidle, Gopi K. Attaluri, Naresh Chainani, Sam Lightstone, David Sharpe
PVLDB 8(4), 353--364, 2014


2008

Row-wise parallel predicate evaluation
R Johnson, V Raman, R Sidle, G Swart
Proceedings of the VLDB Endowment archive 1(1), 622--634, VLDB Endowment, 2008

Integration of Server, Storage and Database Stack: Moving Processing Towards Data
L Qiao, V Raman, I Narang, P Pandey, D Chambliss, G Fuh, J Ruddy, Y L Chen, K H Yang, F L Lin
Proceedings of the 2008 IEEE 24th International Conference on Data Engineering, pp. 1200--1208

Main-memory scan sharing for multi-core CPUs
Lin Qiao, Vijayshankar Raman, Frederick Reiss, Peter J. Haas, Guy M. Lohman
PVLDB 1(1), 610--621, 2008


2007

Greedy list intersection
R Krauthgamer, A Mehta, V Raman, A Rudra
Department of Computer Science and Engineering, University at Buffalo, Tech. Rep11, 2007

Lazy, adaptive rid-list intersection, and its application to index anding
V Raman, L Qiao, W Han, I Narang, Y L Chen, K H Yang, F L Ling
Proceedings of the 2007 ACM SIGMOD international conference on Management of data, pp. 784

Adaptive query processing: why, how, when, what next?
A Deshpande, Z Ives, V Raman
Proceedings of the 33rd international conference on Very large data bases, pp. 1426--1427, 2007

Adaptive query processing
A Deshpande, Z Ives, V Raman
Foundations and Trends in Databases 1(1), 1--140, Now Publishers Inc., 2007

How to barter bits for chronons: compression and bandwidth trade offs for database scans
A L Holloway, V Raman, G Swart, D J DeWitt
Proceedings of the 2007 ACM SIGMOD international conference on Management of data, pp. 400


2006

Progressive query optimization for federated queries
S Ewen, H Kache, V Markl, V Raman
Lecture Notes in Computer Science3896, 847, Springer, 2006

POP/FED: progressive query optimization for federated queries in DB2
H Kache, W S Han, V Markl, V Raman, S Ewen
Proceedings of the 32nd international conference on Very large data bases, pp. 1178, 2006

How to wring a table dry: Entropy compression of relations and querying of compressed relations
V Raman, G Swart
Proceedings of the 32nd international conference on Very large data bases, pp. 858--869, 2006


2005

Automated statistics collection in action
P Haas, M Kandil, A Lerner, V Markl, I Popivanov, V Raman, D Zilio
Proceedings of the 2005 ACM SIGMOD international conference on Management of data, pp. 933--935

Load and Network Aware Query Routing for Information Integration
W S Li, VS Batra, V Raman, W Han, KS Candan, I Narang
Data Engineering, 2005, pp. 927--938

QoS-based data access and placement for federated systems
W S Li, V S Batra, V Raman, W Han, I Narang
Proceedings of the 31st international conference on Very large data bases, pp. 1362, 2005


2004

Robust Query Processing through Progressive Optimization
Volker Markl, Vijayshankar Raman, David E. Simmen, Guy M. Lohman, Hamid Pirahesh
Proceedings of the ACM SIGMOD International Conference on Management of Data, Paris, France, June 13-18, 2004, pp. 659--670

Automated Statistics Collection in DB2 UDB
Ashraf Aboulnaga, Peter J. Haas, Sam Lightstone, Guy M. Lohman, Volker Markl, Ivan Popivanov, Vijayshankar Raman
(e)Proceedings of the Thirtieth International Conference on Very Large Data Bases, Toronto, Canada, August 31 - September 3 2004, pp. 1146--1157

Towards an information infrastructure for the grid
S Bourbonnais, VM Gogate, LM Haas, RW Horman, S Malaika, I Narang, V Raman
IBM Systems Journal 43(4), 665--688, IBM Corp. Riverton, NJ, USA, 2004


2003

LEO: An automatic query optimizer for DB2
V. Markl, G. Lohman, V. Raman
IBM Systems Journal 42(1), 2003

Services for data access and data processing on grids
V Raman, I Narang, C Crone, L Haas, S Malaika, T Mukai, D Wolfson, C Baru
GGF Document GFD14, 2003

LEO: An autonomic query optimizer for DB2
Volker Markl, Guy M. Lohman, Vijayshankar Raman
IBM Systems Journal 42(1), 98--106, 2003

Using state modules for adaptive query processing
V Raman, A Deshpande, J M Hellerstein
Computer, Citeseer, 2003


2002

Database Issues in Grid Computing: IBM Research Perspective
I Narang, V Raman
2002 - Technical Report for OGSA-DAI ...

Data access and management services on grid
V Raman, I Narang, C Crone, L Haas, S Malaika, T Mukai, D Wolfson, C Baru
GGF5, http://www. cs. man. ac. uk/grid-db, Citeseer, 2002

Partial results for online query processing
V Raman, J M Hellerstein
Proceedings of the 2002 ACM SIGMOD international conference on Management of data, pp. 275--286

Continuously adaptive continuous queries over streams
S Madden, M Shah, J M Hellerstein, V Raman
Proceedings of the 2002 ACM SIGMOD international conference on Management of data, pp. 49--60


2001

Potter's wheel: An interactive data cleaning system
V Raman, J M Hellerstein
PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON VERY LARGE DATA BASES, pp. 381--390, 2001


1999

Interactive data analysis: The control project
JM Hellerstein, R Avnur, A Chou, C Hidber, C Olston, V Raman, T Roth, PJ Haas
Computer 32(8), 51--59, 1999


Year Unknown

Using State Modules for Adaptive Query Processing а
V Raman, A Deshpande, J M Hellerstein
Citeseer, Citeseer, 0