NDLI: Forgetting data intelligently in data warehouses

Content Provider	IEEE Xplore Digital Library
Author	Boly, A. Hebrail, G.
Copyright Year	2007
Description	Author affiliation: Lab. LTCI - UMR 5141 CNRS, Ecole Nat. Super. des Telecommun. Paris, Paris (Boly, A.; Hebrail, G.)
Abstract	The amount of data stored in data warehouses grows very quickly so that they can get saturated. To overcome this problem, we propose a language for specifying forgetting functions on stored data. In order to preserve the possibility of performing interesting analyses of historical data, the specifications include the definition of some summaries of deleted data. These summaries are aggregates and samples of deleted data and will be kept in the data warehouse. Once forgetting functions have been specified, the data warehouse is automatically updated in order to follow the specifications. This paper presents both the language for specifications, the structure of the summaries and the algorithms to update the data warehouse.
Starting Page	220
Ending Page	227
File Size	2097367
Page Count	8
File Format	PDF
ISBN	1424406943
DOI	10.1109/RIVF.2007.369160
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-03-05
Publisher Place	Vietnam
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis Data analysis Costs Relational databases Data warehouses Specification languages Research and development Aggregation Data cubes Aggregates Sampling methods Performance analysis Forgetting functions
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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