20.09.2015 Views

Multiresolution Motif Discovery in Time Series

Multiresolution Motif Discovery in Time Series: MrMotif - ALFA

Multiresolution Motif Discovery in Time Series: MrMotif - ALFA

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

IV – Our algorithm<br />

Mr<strong>Motif</strong><br />

• Perform one traversal of the time series database<br />

• For each resolution<br />

• Convert each time series to an iSAX word<br />

• Ma<strong>in</strong>ta<strong>in</strong> and update a counter of the current Top-K motifs,<br />

<strong>in</strong>dexed by iSAX word<br />

• e.g. resolution 2<br />

<strong>Motif</strong><br />

Count<br />

{2,5,7,5,3,0,3,3} 54<br />

{4,7,0,0,0,1,5,5} 32<br />

{0,0,0,4,5,2,0,0} 25<br />

...<br />

Nuno Castro and Paulo Azevedo<br />

04/30/2010

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!