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Table 1 Weighting schema components.

From: Computational algorithms to predict Gene Ontology annotations

Code

Name

Description

Local weight

N

No transformation

∀f, g : w loc = T F (g, f )

A

Augmented

∀f, g : w loc = 0.5 + 0.5 · (T F (g, f )/max f i T F (g, f'))

Global weight

T

Term weight

∀f : w glob = IGF (f )

Normalization

N

No normalization

Normalization factor is not used

M

Maximum

wnorm(g, f ) = w(g, f ) / max f' w(g, f')

  1. Each of the proposed weighting schemes is made of a local weight, a global weight and a normalization function. The implemented and tested options for the three components are listed below.