Injecting domain knowledge into RDBMS: compression of alphanumeric data attributes

Authors:
Marcin Kowalski;Dominik Ślęzak;Graham Toppin;Arkadiusz Wojna
Affiliations:
MIM, University of Warsaw, Poland and Infobright Inc., Canada & Poland;MIM, University of Warsaw, Poland and Infobright Inc., Canada & Poland;Infobright Inc., Canada & Poland;MIM, University of Warsaw, Poland and Infobright Inc., Canada & Poland
Venue:
ISMIS'11 Proceedings of the 19th international conference on Foundations of intelligent systems
Year:
2011

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Abstract

We discuss the framework for applying knowledge about internal structure of data values to better handle alphanumeric attributes in one of the analytic RDBMS engines. It enables to improve data storage and access with no changes at the data schema level. We present the first results obtained within the proposed framework with respect to data compression ratios, as well as data (de)compression speeds.