is#keyword_based_statistical_search__keywordbasedstatisticalsearch
  supertype:  lexical_search__lexicalsearch__stringsearch  search of a string of character
     supertype:  information_search__informationsearch
        supertype:  IR_task__information_indexation_or_search__information_retrieval__informationretrieval__IR
           supertype:  information_sciences_task__information_management_task__information_management__informationmanagement  may be "_subtask" would be more appropriate than "_task" here and in the subtypes
              supertype:  cognitive_process__cognitiveproces__process__proces__cognitive_operation__cognitiveoperation__act  the performance of some composite cognitive activity; an operation that affects mental contents; "the process of thinking"; "the act of remembering"
                 supertype:  process__proces  situation commonly considered as making a change during some period of time
                    supertype:  situation  something that "occurs" in a real/imaginary region of time and space
                       supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                    supertype:  process_or_process_description
                       supertype:  processing_thing
                          supertype:  thing_playing_some_role  category to classify things according to roles/viewpoints; classification under this category is application-dependant
                             supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                 supertype:  process__proces__physicalsituation  intuitively, the class of things that happen and have temporal parts or stages; examples include extended events like a football match or a race, actions like pursuing and reading, and biological processes; sumo#process is not identical to pm#situation because an instance of pm#situation is not necessarily an instance of sumo#physical
                    supertype:  situation  something that "occurs" in a real/imaginary region of time and space
                    supertype:  process_or_process_description
                    supertype:  physical__physical_thing  an entity that has a location in space-time; locations are themselves understood to have a location in space-time; click here for more details on the identical category sowa#physical_thing
                       supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type

No statement uses or specializes keyword_based_statistical_search; click here to add one.