NDLI: Tag ranking by propagating relevance over tag and image graphs

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Tag ranking by propagating relevance over tag and image graphs

Content Provider	ACM Digital Library
Author	Li, Minxian Zhao, Chunxia Li, Haojie Tang, Jinhui
Abstract	In this paper, we explore the problem of tag ranking by propagating relevance over community-contributed images and their associated tags. To rank the tags more accurately, we propose a novel tag ranking scheme through a two-stage graph-based relevance propagation approach. The first stage constructs a tag graph on each image and implements a random walk process on it in order to get the initial relevance of each tag for one image and the second stage builds a kNN-sparse image graph and propagates the relevance of tags among the web images. The proposed approach is purely data-driven, since the explicit relevance models between tags and images are not assumed. More importantly, compared to existing tag ranking approaches, we propose to leverage the relevance propagation over two graphs, which take into count not only the relationship among tags but also the relationship among images. Extensive experiments have conducted on the NUS-WIDE dataset have demonstrated the effectiveness of the proposed approach.
Starting Page	153
Ending Page	156
Page Count	4
File Format	PDF
ISBN	9781450316002
DOI	10.1145/2382336.2382380
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2012-09-09
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Tag ranking Relevance propagation
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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