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PET: a statistical model for popular events tracking in social communities

Published: 25 July 2010 Publication History

Abstract

User generated information in online communities has been characterized with the mixture of a text stream and a network structure both changing over time. A good example is a web-blogging community with the daily blog posts and a social network of bloggers.
An important task of analyzing an online community is to observe and track the popular events, or topics that evolve over time in the community. Existing approaches usually focus on either the burstiness of topics or the evolution of networks, but ignoring the interplay between textual topics and network structures.
In this paper, we formally define the problem of popular event tracking in online communities (PET), focusing on the interplay between texts and networks. We propose a novel statistical method that models the the popularity of events over time, taking into consideration the burstiness of user interest, information diffusion on the network structure, and the evolution of textual topics. Specifically, a Gibbs Random Field is defined to model the influence of historic status and the dependency relationships in the graph; thereafter a topic model generates the words in text content of the event, regularized by the Gibbs Random Field. We prove that two classic models in information diffusion and text burstiness are special cases of our model under certain situations. Empirical experiments with two different communities and datasets (i.e., Twitter and DBLP) show that our approach is effective and outperforms existing approaches.

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    cover image ACM Conferences
    KDD '10: Proceedings of the 16th ACM SIGKDD international conference on Knowledge discovery and data mining
    July 2010
    1240 pages
    ISBN:9781450300551
    DOI:10.1145/1835804
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Published: 25 July 2010

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    Author Tags

    1. PET
    2. popular events tracking
    3. social communities
    4. topic modeling

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    • (2023)Der Einfluss bundespolitischer Themen auf den Landtagswahlkampf in Bayern 2018 – Eine Untersuchung der Twitter-Kommunikation von Bundes- und LandespolitikernDie Landtagswahl 2018 in Bayern10.1007/978-3-658-41392-7_11(417-452)Online publication date: 3-Aug-2023
    • (2022)Short Text Topic Modeling Techniques, Applications, and Performance: A SurveyIEEE Transactions on Knowledge and Data Engineering10.1109/TKDE.2020.299248534:3(1427-1445)Online publication date: 1-Mar-2022
    • (2022)Semantic similarity measure for topic modeling using latent Dirichlet allocation and collapsed Gibbs samplingIran Journal of Computer Science10.1007/s42044-022-00124-76:1(81-94)Online publication date: 8-Nov-2022
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