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Table 1 Summary of symbols

From: Disease gene prioritization by integrating tissue-specific molecular networks using a robust multi-network model

Symbol definition
A The adjacency matrix of disease similarity network
G i The adjacency matrix of the tissue-specific molecular network of
  disease i (for NoN)
G i The adjacency matrix of the center molecular network of disease i
  (for NoSN)
G ip The adjacency matrix of the p th auxiliary molecular network of
  disease i (for NoSN)
I n An n×n identity matrix
r i The ranking score vector of genes in G i (for NoN)
e i The seed vector of genes in G i (for NoN)
r i The ranking score vector of genes in G i (for NoSN)
e i The seed vector of genes in G i (for NoSN)
r ip The ranking score vector of genes in G ip (for NoSN)
e ip The seed vector of genes in G ip (for NoSN)
h Number of diseases in A
n i Number of genes in G i (for NoN)
n i Number of genes in G i (for NoSN)
n ip Number of genes in G ip (for NoSN)
k i Number of auxiliary molecular networks of disease i (for NoSN)
d A (i) Degree of disease i in A, i.e., \(d_{\mathbf {A}}(i) = \sum _{j=1}^{h}\mathbf {A}(i,j)\)
\(\mathcal {I}_{ij}\) The set of common genes in G i and G j (for NoN)
\(\bar {\mathcal {I}}_{ij}\) The set of genes in G i but not in G j (for NoN)
\(\mathcal {I}_{i*,j*}\) The set of common genes in G i and G j (for NoSN)
\(\bar {\mathcal {I}}_{i*,j*}\) The set of genes in G i but not in G j (for NoSN)
\(\mathcal {I}_{i*,ip}\) The set of common genes in G i and G ip (for NoSN)
\(\bar {\mathcal {I}}_{i*,ip}\) The set of genes in G i but not in G ip (for NoSN)
\