NDLI: Characterizing user-subgroups in Flickr Group: A block LDA based approach

Content Provider	IEEE Xplore Digital Library
Author	Negi, S. Balasubramanyan, R. Chaudhury, S.
Copyright Year	2012
Description	Author affiliation: Carnegie Mellon University (Balasubramanyan, R.) \|\| Indian Institute of Technology, Delhi (Chaudhury, S.) \|\| IBM Research India (Negi, S.)
Abstract	The last few years have seen an exponential increase in the amount of multimedia content that is available online thanks to collaborative-online communities such as Flickr, You Tube etc. As opposed to “pure” social networking services these collaborative-online communities not only allow users to create new social links (e.g. add people to one's friend list) but also allow users to contribute multimedia content and engage in content-driven interactions. A good example of this can be seen in Flickr, in general and Flickr Group in particular where users can comment on or “like” an image contributed by another user. This paper looks at utilizing this within group user-user interaction information, along with image meta-data to discover user communities (user-subgroups) that contribute content around specific topics (subgroup-themes) at specific points in time. A good example of this is a group of users (e.g sports fans) contributing content and interacting with each other only at specific times of the year (e.g close to their favorite sporting event). We demonstrate that our proposed generative model Temporal BlockLink LDA is able to successfully extract such user-subgroups, subgroup-themes and associated temporal patterns from data in an unsupervised manner.
Starting Page	2262
Ending Page	2265
File Size	537669
Page Count	4
File Format	PDF
ISBN	9781467322164
ISSN	10514651
e-ISBN	9784990644109
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-11
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	ICPR Org Committee
Subject Keyword	Multimedia communication Data models Load modeling Communities Data mining Image color analysis
Content Type	Text
Resource Type	Article
Subject	Computer Vision and Pattern Recognition

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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