Inclusion dependency are duplicated with different scores

[mossadhelali]

The original implementation generates duplicated similarity triples between columns with different scores.
Example:

<<col1 hasInclusionDependency col2>> withCertainty 0.97
<<col2 hasInclusionDependency col1>> withCertainty 0.97
<<col1 hasInclusionDependency col2>> withCertainty 0.96
<<col2 hasInclusionDependency col1>> withCertainty 0.96

Proposed Solution: make the scores asymmetric?

<<col1 hasInclusionDependency col2>> withCertainty 0.97
<<col2 hasInclusionDependency col1>> withCertainty 0.96