Figure 3From: MBA: a literature mining system for extracting biomedical abbreviationsAn example for the redundant word penalty. This is an alignment for <DER, Drosophila epidermal growth factor receptor>. In the alignment, the word "growth" in the definition is unmatched, and "factor" is also unmatched. Adjacent to each other, they are called "continuous unmatched words". The number of the continuous unmatched words is 2.Back to article page