Table 4.

Algorithm of Calculating Co-occurrent DescriptorNames

USE Table I

FOR each P MID

k = Number_of_DescriptorName(PMID)

j = 1

FOR DescriptorNames(i) (i =, 1, 2,..., k)

DO while j ≤ k

DescriptorNames Pair = DescriptorNames(i)+

DescriptorNames (j)

j = j + 1

OUTPUT DescriptorName_Pair INTO

table DM_pairs

ENDDO

j = 1

ENDFOR

ENDFOR