CHANGE OF TOPICS OVER TIME - Tracking Topics by their Change of Meaning

Gerhard Heyer; Florian Holz; Sven Teresniak

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Paper

CHANGE OF TOPICS OVER TIME - Tracking Topics by their Change of Meaning

Topics: Data Analytics; Mining Text and Semi-Structured Data

In Proceedings of the International Conference on Knowledge Discovery and Information Retrieval - Volume 0IC3K, 223-228, 2009 , Funchal - Madeira, Portugal

Authors: Gerhard Heyer ; Florian Holz and Sven Teresniak

Affiliation: University of Leipzig, Germany

Keyword(s): Topic Tracking, Change of Meaning, Conceptual Drift, Volatility, Time-sliced Corpora, Text Mining.

Related Ontology Subjects/Areas/Topics: Artificial Intelligence ; Business Analytics ; Data Analytics ; Data Engineering ; Knowledge Discovery and Information Retrieval ; Knowledge-Based Systems ; Mining Text and Semi-Structured Data ; Symbolic Systems

Abstract: In this paper we present a new approach to the analysis of topics and their dynamics over time. Given a large amount of news text on a daily basis, we have identified “hotly discussed” concepts by examining the contextual shift between the time slices. We adopt the volatility measure from econometrics and propose a new algorithm for frequency-independent detection of topic drift.

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Paper citation in several formats:

Heyer, G.; Holz, F. and Teresniak, S. (2009). CHANGE OF TOPICS OVER TIME - Tracking Topics by their Change of Meaning. In Proceedings of the International Conference on Knowledge Discovery and Information Retrieval (IC3K 2009) - KDIR; ISBN 978-989-674-011-5; ISSN 2184-3228, SciTePress, pages 223-228. DOI: 10.5220/0002330602230228

@conference{kdir09,
author={Gerhard Heyer. and Florian Holz. and Sven Teresniak.},
title={CHANGE OF TOPICS OVER TIME - Tracking Topics by their Change of Meaning},
booktitle={Proceedings of the International Conference on Knowledge Discovery and Information Retrieval (IC3K 2009) - KDIR},
year={2009},
pages={223-228},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002330602230228},
isbn={978-989-674-011-5},
issn={2184-3228},
}

TY - CONF

JO - Proceedings of the International Conference on Knowledge Discovery and Information Retrieval (IC3K 2009) - KDIR
TI - CHANGE OF TOPICS OVER TIME - Tracking Topics by their Change of Meaning
SN - 978-989-674-011-5
IS - 2184-3228
AU - Heyer, G.
AU - Holz, F.
AU - Teresniak, S.
PY - 2009
SP - 223
EP - 228
DO - 10.5220/0002330602230228
PB - SciTePress