NDLI: Integrating custom index extensions into virtuoso RDF store for e-commerce applications

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Integrating custom index extensions into virtuoso RDF store for e-commerce applications

Content Provider	ACM Digital Library
Author	Wauer, Matthias Schwinger, Stephan Nettling, Martin Both, Andreas Erling, Orri
Abstract	Triple stores are the backbone of the evolution of the Linked Data Web. However, even standard queries on many attributes can result in high query response times using available triple stores. For use in commercial search applications, particularly for web scale applications, short and predictable query response times are a strict necessity in order to achieve industrial applicability. In this paper, a custom index extension for the Virtuoso triple store is used to improve the runtime of typical queries. The index extension is connected to a lightweight bitset index that covers the properties in question. A case study with real world data in the e-commerce domain shows that more comprehensive queries even on highly materialized data result in consistently improved query response times with a predictable upper bound that meets industrial requirements. Hence, to the best of our knowledge, industrial applicability is achieved for the first time considering the requirements of the e-commerce industry.
Starting Page	65
Ending Page	72
Page Count	8
File Format	PDF
ISBN	9781450334624
DOI	10.1145/2814864.2814877
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2015-09-16
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Semantic web Sparql Triple store Index structure Query processing Bitset
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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