5. The computer-implemented method of claim 4 , wherein determining the set of one or more common topics includes: applying a set of one or more structured queries on a phonetic or textual representation of the media data.
4. The computer-implemented method of claim 1 , wherein processing the representation of the set of one or more call series to generate an analysis report includes: determining a set of one or more common topics among the set of one or more call series.