Slice(OrderBy(Project(Extend(Extend(AggregationJoin(Aggregation(??agg1: ?courseOfStudy, SAMPLE,
                                                    {},
                                                    G1=Group((?courseOfStudy),
                                                       BGP( ?courseOfStudy <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <https://w3id.org/jp-cos/CourseOfStudy> .
                                                        ?s <https://w3id.org/jp-cos/courseOfStudy> ?courseOfStudy))),
                                                    Aggregation(??agg2: ?s, COUNT,

                                                    <KEYWORD/DISTINCT>, G1)),
                                    ?courseOfStudy,
                                    ??agg1),
                             ?count,
                             ??agg2),
                      {?courseOfStudy, ?count}), (desc (?count))),
      0,
      20)