Discovery of latent subcommunities in a blog's readership Adams, Brett, Phung, Dinh and Venkatesh, Svetha 2010, Discovery of latent subcommunities in a blog's readership, ACM transactions on the web, vol. 4, no. 3, pp. 1-30. Attached Files Name Description MIMEType Size Downloads Title Discovery of latent subcommunities in a blog's readership Author(s) Adams, Brett Phung, Dinh orcid.org/0000-0002-9977-8247 Venkatesh, Svetha orcid.org/0000-0001-8675-6631 Journal name ACM transactions on the web Volume number 4 Issue number 3 Start page 1 End page 30 Total pages 30 Publisher Association for Computing Machinery Place of publication New York, N. Y. Publication date 2010-07 ISSN 1559-1131 1559-114X Keyword(s) affinity propagation blog topic models web communities Summary The blogosphere has grown to be a mainstream forum of social interaction as well as a commercially attractive source of information and influence. Tools are needed to better understand how communities that adhere to individual blogs are constituted in order to facilitate new personal, socially-focused browsing paradigms, and understand how blog content is consumed, which is of interest to blog authors, big media, and search. We present a novel approach to blog subcommunity characterization by modeling individual blog readers using mixtures of an extension to the LDA family that jointly models phrases and time, Ngram Topic over Time (NTOT), and cluster with a number of similarity measures using Affinity Propagation. We experiment with two datasets: a small set of blogs whose authors provide feedback, and a set of popular, highly commented blogs, which provide indicators of algorithm scalability and interpretability without prior knowledge of a given blog. The results offer useful insight to the blog authors about their commenting community, and are observed to offer an integrated perspective on the topics of discussion and members engaged in those discussions for unfamiliar blogs. Our approach also holds promise as a component of solutions to related problems, such as online entity resolution and role discovery. Language eng Field of Research 080305 Multimedia Programming Socio Economic Objective 890205 Information Processing Services (incl. Data Entry and Capture) HERDC Research category C1.1 Refereed article in a scholarly journal Copyright notice ©2010, ACM Persistent URL http://hdl.handle.net/10536/DRO/DU:30044202 Document type: Journal Article Collections: Faculty of Science, Engineering and Built Environment School of Information Technology Related Links Link Description Connect to published version (restricted access) Go to link with your DU access privileges     Unless expressly stated otherwise, the copyright for items in DRO is owned by the author, with all rights reserved. Versions Version Filter Type Thu, 05 Apr 2012, 15:57:32 EST Tue, 17 Apr 2012, 08:45:00 EST Tue, 17 Apr 2012, 08:47:19 EST Tue, 17 Apr 2012, 08:47:59 EST Tue, 24 Apr 2012, 15:08:32 EST Mon, 13 May 2013, 14:22:01 EST Thu, 11 Dec 2014, 17:43:55 EST Sat, 21 Oct 2017, 02:04:01 EST Filtered Full Citation counts:   Cited 6 times in TR Web of Science Cited 7 times in Scopus Search Google Scholar Access Statistics: 688 Abstract Views, 2 File Downloads  -  Detailed Statistics Created: Thu, 05 Apr 2012, 15:57:32 EST

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