Figure 1

trans_example.xml. A one-step translation that specifies 1) FeatureExtraction elements are to be changed (specified by the changeLocationQuery), 2) the new content for the change to each selected FeatureExtraction (specified by the locationValueQuery) is the concatenation of the existing names for a Hybridization and a Compound related to that FeatureExtraction – connected by the string literal " feature extraction ", 3) the change is to add an attribute to each of the FeatureExtraction elements (specified as the op addAttribute), and 4) the attribute name is "name" (specified as the newNodeName).