NDLI: Adaptive diversification for tag-based social image retrieval

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Adaptive diversification for tag-based social image retrieval

Content Provider	Springer Nature Link
Author	Ben Amar, Chokri Ben Ammar, Anis Ksibi, Amel
Copyright Year	2013
Abstract	With the great popularity of social photos sharing websites, a tremendous volume of digital images is hosted together with their associated tags. Thus, extensive research efforts have been dedicated to tag-based social image search which enables users to formulate their queries using tags. However, tag queries are often ambiguous and typically short. Diversifying search results is a common solution in the absence of further knowledge about the user’s intention. Such approach aims to retrieve relevant images covering as much of the diverse meanings the query may have. However, not all queries are uniformly ambiguous and hence different diversification strategies might be suggested. In such a context, two new processes are jointly investigated at query pre-processing and post-processing levels. On the one hand, we propose a multi-view concept-based query expansion process, using a predefined list of semantic concepts, which aims to weight concepts from different views or contexts, aggregate the obtained weights and select the most representative ones using a dynamic threshold. On the other hand, we propose a new ranking process called “adaptive diverse relevance ranking” which automatically predicts an effective trade-off between relevance scores and diversity scores according to the query ambiguity level. Thorough experiments using 12 ambiguous queries over the NUS-WIDE dataset show the effectiveness of our approach versus classical uniform diversification approaches.
Starting Page	29
Ending Page	39
Page Count	11
File Format	PDF
ISSN	21926611
Journal	International Journal of Multimedia Information Retrieval
Volume Number	3
Issue Number	1
e-ISSN	2192662X
Language	English
Publisher	Springer London
Publisher Date	2013-10-02
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Adaptive diversity Social image retrieval Information Storage and Retrieval Data Mining and Knowledge Discovery Image Processing and Computer Vision Computer Science Diversification trade-off Information Systems Applications (incl. Internet) Multimedia Information Systems Optimization Ambiguity
Content Type	Text
Resource Type	Article
Subject	Library and Information Sciences Information Systems Media Technology

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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