Table 2

SDRF representation of the investigation design graph in Figure 3.

Sample ID
Characteristics [Organism]
Characteristics [OrganismPart]
Protocol REF
Extract ID
Protocol REF
Label
Hybridization ID
ArrayDesign REF
ArrayData URI
DerivedArrayData Matrix URI

liver 1
Homo sapiens
liver
P-XMPL-1
Extract 1
P-XMPL-3
Cy3
Hyb 1
SMD-10K
1.txt
FGDM.txt
liver 2
Homo sapiens
liver
P-XMPL-1
Extract 2
P-XMPL-3
Cy3
Hyb 1
SMD-10K
1.txt
FGDM.txt
kidney 1
Homo sapiens
kidney
P-XMPL-1
Extract 3
P-XMPL-3
Cy3
Hyb 2
SMD-10K
2.txt
FGDM.txt
kidney 2
Homo sapiens
kidney
P-XMPL-1
Extract 4
P-XMPL-3
Cy3
Hyb 2
SMD-10K
2.txt
FGDM.txt
brain 1
Homo sapiens
brain
P-XMPL-1
Extract 5
P-XMPL-3
Cy3
Hyb 3
SMD-10K
3.txt
FGDM.txt
brain 2
Homo sapiens
brain
P-XMPL-1
Extract 6
P-XMPL-3
Cy3
Hyb 3
SMD-10K
3.txt
FGDM.txt




Extract reference
P-XMPL-3
Cy5
Hyb 1
SMD-10K
1.txt
FGDM.txt




Extract reference
P-XMPL-3
Cy5
Hyb 2
SMD-10K
2.txt
FGDM.txt




Extract reference
P-XMPL-3
Cy5
Hyb 3
SMD-10K
3.txt
FGDM.txt

Each 'layer' in the graph is represented by an ID column in the spreadsheet, followed by columns for each of the labels. Each path in the graph is represented by one row in the spreadsheet.

Rayner et al. BMC Bioinformatics 2006 7:489   doi:10.1186/1471-2105-7-489