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ASEM: Mining Aspects and Sentiment of Events from Microblog

Published: 17 October 2015 Publication History

Abstract

Microblogs contain the most up-to-date and abundant opinion information on current events. Aspect-based opinion mining is a good way to get a comprehensive summarization of events. The most popular aspect based opinion mining models are used in the field of product and service. However, existing models are not suitable for event mining. In this paper we propose a novel probabilistic generative model (ASEM) to simultaneously discover aspects and the specified opinions. ASEM incorporate a sequence labeling model(CRF) into a generative topic model. Additionally, we adopt a set of features for separating aspects and sentiments. Moreover, we novelly present a continuously learning model. It can utilize the knowledge of one event to learn another, and get a better performance. We use five real world events to do experiment. The experimental results show that ASEM extracts aspects and sentiments well, and ASEM outperforms other state-of-art models and the intuitive two-step method.

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  1. ASEM: Mining Aspects and Sentiment of Events from Microblog

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    cover image ACM Conferences
    CIKM '15: Proceedings of the 24th ACM International on Conference on Information and Knowledge Management
    October 2015
    1998 pages
    ISBN:9781450337946
    DOI:10.1145/2806416
    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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    Publication History

    Published: 17 October 2015

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    Author Tags

    1. aspect extraction
    2. aspect-specific sentiment analysis
    3. event extraction
    4. topic model

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    Funding Sources

    • Specialized Research Fund for the Doctoral Program of Higher Education
    • Natural Science Foundation of China
    • Ministry of Education & China Mobile Joint Research Fund Program

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    CIKM'15
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    CIKM '15 Paper Acceptance Rate 165 of 646 submissions, 26%;
    Overall Acceptance Rate 1,861 of 8,427 submissions, 22%

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