4. The method of claim 3 , wherein calculating a score using the channel model comprises normalizing a channel model score based on a number of overlapping nodes between transfer mappings.
3. The method of claim 1 , wherein calculating a score for each transfer mapping in the set of transfer mappings that describe a select node of the input semantic structure comprises calculating the score using a channel model that provides a probability of an input semantic side of a transfer mapping given the output semantic side of the transfer mapping.