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. 2013 Oct 11;13(10):13685–13707. doi: 10.3390/s131013685

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© 2013 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 6. — The experimental results on the intersection dataset. (a) Top: illustration of the top 8 topics; (b) Bottom: the timelines of the top 8 topics.

Figure 6. — The experimental results on the intersection dataset. (a) Top: illustration of the top 8 topics; (b) Bottom: the timelines of the top 8 topics.