NDLI: Implementation Strategies for CSV Fragment Retrieval over HTTP

Content Provider	IEEE Xplore Digital Library
Author	Wang, Junhua Xu, Zhuoming Zhang, Jin
Copyright Year	2015
Abstract	A large percentage of the data published on the web is tabular data, commonly in the comma-separated values (CSV) format. URI fragment identifiers for CSV provide possibilities for data publishers (web servers) to refer to specific parts (i.e., fragments) of a CSV file using URIs as well as for data consumers (web clients) to retrieve URI-identified fragments over HTTP for further processing. However, few studies have focused on CSV fragment retrieval, and to our knowledge, so far there are no implementations of CSV fragment identifiers compliant web clients/servers. This study addresses the issue of implementation strategies for CSV fragment retrieval over the HTTP protocol. Two strategies (i.e., client-side fragment evaluation and server-side fragment evaluation) including the fragment evaluation algorithms were proposed and then implemented in order to demonstrate the implementability of CSV fragment retrieval over HTTP and to experimentally observe and compare the run-time efficiency of the two strategies. The results indicate that server-side fragment evaluation is a more efficient strategy in terms of running time and bandwidth cost, but requires extensions for existing web servers, whereas client-side fragment evaluation is the opposite. Our methods and findings provide valuable reference for potential implementers.
Starting Page	223
Ending Page	228
File Size	354542
Page Count	6
File Format	PDF
ISBN	9781467393713
e-ISBN	9781467393720
DOI	10.1109/WISA.2015.27
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-09-11
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis Java Protocols Fragment identifiers for text/csv CSV fragment retrieval Prototypes Bandwidth Web servers Web client-server interaction HTTP Comma-Separated Values (CSV) URI
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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