17 June 2004
Daylight CIS UK Ltd
There are two ways to ask the similarity question
How alike are A
How like is A
Asymmetric similarity has the idea of a prototype.
We may ask how like is the UK to the USA (prototype)
In the chemical world this corresponds to similarity as a
superstructure or as a substructure.
Daylight has implemented this via the Tversky coefficient where
are adjustable parameters to reduce the effect of the unique