. 2013 Nov 15;3:3202. doi: 10.1038/srep03202

Table 1. Data sources. All data sources used in this disease association study, their size, and edge density. Relation matrices R_ij relate objects of two different types and their numbers are reported separately (delimited by a forward slash).

Matrix	Data description	# Nodes	# Edges	Density	Reference
Θ₁⁽¹⁾	Protein-protein interactions	10,360	55,787	0.00104	BioGRID v3.1.94⁵¹
Θ₁⁽²⁾	Gene co-expression	539	869	0.006	Prieto et al.⁵²
Θ₁⁽³⁾	Cell signalling data	1,217	7,517	0.01016	KEGG⁵³
Θ₁⁽⁴⁾	Genetic interactions	542	511	0.00349	BioGRID v3.1.94⁵¹
Θ₁⁽⁵⁾	Metabolic network	5,908	1,505,831	0.0863	KEGG⁵³
Θ₄	Drug interaction data	4,477	21,821	0.00218	DrugBank v3.0⁵⁴
Θ₃	GO semantic structure	11,853	43,924	0.00063	Gene Ontology²⁸
Θ₂	DO semantic structure	1,536	1,098	0.00093	Disease Ontology¹
R₁₃	Gene annotations	17,428/11,853	100,685	0.00049	Gene Ontology²⁸
R₁₄	Drug-target relationships	1,978/4,477	7,977	0.00009	DrugBank v3.0⁵⁴
R₁₂	Gene-disease relationships	5,267/1,536	22,084	0.00273	Mapped GeneRIF⁵⁵

Table 1. Data sources. All data sources used in this disease association study, their size, and edge density. Relation matrices Rij relate objects of two different types and their numbers are reported separately (delimited by a forward slash).