NDLI: On isomorphic matching of large disk-resident graphs using an XQuery engine

Content Provider	IEEE Xplore Digital Library
Author	Rivero, C.R. Jamil, H.M.
Copyright Year	2014
Description	Author affiliation: Dept. of Comput. Sci., Univ. of Idaho, Moscow, ID, USA (Rivero, C.R.; Jamil, H.M.)
Abstract	There exists an increasing interest in using graphs to model data, and managing them is a challenging research field. One of the major hurdles in large graph management and processing is our ability to store graphs on disk, and develop techniques that can process the data in their native representation on the disk. Currently, many powerful processing techniques only ensure efficient processing while the graphs reside fully in volatile memory, which limits their applications. In this paper, we present a disk representation of unit graphs, called graphlets, that is amenable to leveraging both XML and relational storage structures, and associated query engines such as XQuery and SQL3. Specifically, we focus on XML and XQuery to implement a graph decomposition-based isomorphic subgraph matching technique, called NetQL, that exploits the graphlet representation. Furthermore, we present a new covering concept, called the minimum hub cover, that allows node-at-a-time processing of arbitrarily large graphs and opens up new opportunities for cost-based graph query optimization. Finally, we discuss some early results to show that such optimizations are feasible and promising by comparing our strategy with GraphQL.
Sponsorship	IEEE Comput. Soc.
Starting Page	20
Ending Page	27
File Size	247326
Page Count	8
File Format	PDF
ISBN	9781479934812
DOI	10.1109/ICDEW.2014.6818296
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-03-31
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Context Computational modeling XML Data models Indexes Engines Optimization
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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