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.009a" src="https://static.hindawi.com/articles/acisc/volume-2014/871412/figures/871412.fig.009a.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.009b" src="https://static.hindawi.com/articles/acisc/volume-2014/871412/figures/871412.fig.009b.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.009c" src="https://static.hindawi.com/articles/acisc/volume-2014/871412/figures/871412.fig.009c.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 1.</table>

Applied Computational Intelligence and Soft Computing

fig9

Figure 9

Figure 9: An Activation Method of Topic Dictionary to Expand Training Data for Trend Rule Discovery 