15. The device of claim 14 , wherein the circuitry is further configured to partition the received ordered data elements into the plurality of semantic classes based on a dissimilarity metric, the plurality of semantic classes including the one or more first semantic classes and the one or more second semantic classes.
16. The device of claim 15 , wherein the circuitry is further configured to compute the dissimilarity metric by determining a semantic distance between the first data element and the second data element, the semantic distance being based on a fixed distance between a top layer and a bottom layer of an ontology of the data.