NDLI: Detecting data and schema changes in scientific documents

Content Provider	IEEE Xplore Digital Library
Author	Adam, N. Critchlow, T. Musick, R.
Copyright Year	2000
Description	Author affiliation: CIMIC, Rutgers Univ., Newark, NJ, USA (Adam, N.)
Abstract	Data stored in a data warehouse must be kept consistent and up-to-date with respect to the underlying information sources. By providing the capability to identify, categorize and detect changes in these sources, only the modified data needs to be transferred and entered into the warehouse. Another alternative, periodically reloading from scratch, is obviously inefficient. When the schema of an information source changes, all components that interact with, or make use of data originating from that source must be updated to conform. The change detection problem is the problem of detecting data and schema changes by comparing two versions of the same semi-structured document. We present an approach to detecting data and schema changes for scientific documents. Scientific data is of particular interest because it is normally stored as a semi-structured document, and suffers frequent schema updates. This paper demonstrates the use of graphs to represent scientific documents in particular and semi-structured documents in general as well as their schema. It also demonstrates an approach to efficiently detect data and schema changes by merging the detection with parsing the document.
Starting Page	160
Ending Page	170
File Size	282840
Page Count	11
File Format	PDF
ISBN	0769506593
DOI	10.1109/ADL.2000.848379
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-05-24
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Laboratories Merging Warehousing Data warehouses Data mining Automation Genomics Bioinformatics
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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