An Activation Method of Topic Dictionary to Expand Training Data for Trend Rule Discovery

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="871412.fig.0010a" src="https://static.hindawi.com/articles/acisc/volume-2014/871412/figures/871412.fig.0010a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Change ratio is 0.01</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="871412.fig.0010b" src="https://static.hindawi.com/articles/acisc/volume-2014/871412/figures/871412.fig.0010b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Change ratio is 0.02</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="871412.fig.0010c" src="https://static.hindawi.com/articles/acisc/volume-2014/871412/figures/871412.fig.0010c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Change ratio is 0.025</td></tr></table></td></tr></table>

<table>Detection performance; minimum transaction is 3.</table>

Applied Computational Intelligence and Soft Computing

fig10

Figure 10

Figure 10: An Activation Method of Topic Dictionary to Expand Training Data for Trend Rule Discovery 