NDLI: Materialized view evolution support in data warehouse environment

Content Provider	IEEE Xplore Digital Library
Author	Zhang, C. Yang, J.
Copyright Year	1999
Description	Author affiliation: Sch. of Comput. Sci., Australian Defence Force Acad., Canberra, ACT, Australia (Zhang, C.)
Abstract	As a sufficiently abstract level, the data in the data warehouse can be seen as a set of materialized views, where the base data resides at the information sources. These materialized views are designed based on the users' requirements (e.g., frequently asked queries). However, a data warehouse is a dynamic environment, i.e., when user query requirement changes, the existing materialized views should evolve to meet the new requirement. These changes will demand schema changes at the warehouse and should be handled with as little disruption or modification to other components of the warehousing system as possible. We propose a framework to determine if the existing materialized views will be affected by the requirement changes, and how they are affected. Algorithms are proposed to deal with the situation when a new query is added in. The aim of the algorithms is to efficiently get the new materialized views by analysing the relationships among queries using MVPP, a specification for a query processing plan.
Starting Page	247
Ending Page	254
File Size	100866
Page Count	8
File Format	PDF
ISBN	0769500846
DOI	10.1109/DASFAA.1999.765758
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-04-21
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Data warehouses Australia Query processing Databases Data mining Delay Costs Material storage Computer science Educational institutions
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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