Gene clustering: 2001: 2
Task: example
Experimental data
•b0001 UP
•b0002 DN
•b0005 DN
•b0007 UP
• . . .
Text data about genes
•b0001: “transcriptional activator
  of nhaa transport ...”
•b0002: “amino acid biosynthesis
  lysine metabolism…”
•. . . .
UP:  protein & transcription
UP:  membrane & potential & in
DN:  biosynthesis & enzyme & amino & metabolism