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Table 5 Comparison of patterns between a traditional pattern-growth-based approach and CTGR-Span

From: An efficient method for mining cross-timepoint gene regulation sequential patterns from time course gene expression datasets

Prefixes Traditional projected databases Projected databases of CTGR-Span Traditional sequential patterns CTGR-SPs
G1+ <(G2-G3+)2(G3+)3>
<(_G4-)1(G3+)2(G2-
<(G2-G3+)2(G3+)3>
<(G3+)2(G2-G3+)4(G5+)5>
<(G1+)(G2-)>
<(G1+)(G3+)>
<(G1+)(G2-)>
<(G1+)(G3+)>
  G3+)4(G5+)5> <(G2-G3+)3> <(G1+)(G2-G3+)>* <(G1+)(G3+)(G3+)>
  <(_G2-)2(G2-G3+)3> <(G2-G3+)3> <(G1+)(G3+)(G3+)>  
  <(_G3+G6-)2(G2-G3+)3>    
G2- <(_G3+)2(G3+)3> <(G3+)3> <(G2-)(G3+)> <(G2-)(G3+)>
  <(_G3+)4(G5+)5> <(G5+)5> <(G2-G3+)>*  
  <(G2-G3+)3>
<(_G3+)3>
<(G2-G3+)3>
<>
  
G3+ <(G3+)3> <(G3+)3> <(G3+)(G3+)> <(G3+)(G3+)>
  <(G2-G3+)4(G5+)5>
<>
<(G2-G3+)4(G5+)5>
<>
<(G3+)(G2-)>
<(G3+)(G2-G3+)>*
<(G3+)(G2-)>
  <(G6-)2(G2-G3+)3> <(G2-G3+)3>   
  1. G+/-: significantly up- or down-regulated gene item; <>: a sequence; ()t: a transaction of time point t; _: indexed prefix; *: redundant patterns derived from traditional pattern-growth-based sequential pattern mining methods.