www-ai.cs.tu-dortmund.de/LEHRE/FACHPROJEKT/SS12/paper/counting/cheng2006.pdf
paper555.dvi
075 0.1 0.25 0.5 Minimum Support Threshold (%)
P re
ci si
o n
( %
) MineSW(r=0.5, t10i4) MineSW(r=0.1, t10i4) LCSW(t10i4) MineSW(r=0.5, t15i6) MineSW(r=0.1, t15i6) LCSW(t15i6)
(a) Precision
90
92
94
96
98 [...] 0.075 0.1 0.25 0.5
Minimum Support Threshold (%)
R ec
al l (
% )
MineSW(r=0.5, t10i4) MineSW(r=0.1, t10i4) LCSW(t10i4) MineSW(r=0.5, t15i6) MineSW(r=0.1, t15i6) LCSW(t15i6)
(b) Recall Fig. 1. Precision [...] algorithm by Chang and Lee is much slower than LCSW and runs out of our 4GB memory. We generate two types of data streams, t10i4 and t15i6, using a generator [3] that modifies the IBM data generator.
We …