is#document_management_task__document_management
  supertype:  is#information_sciences_task__information_management_task__information_management__informationmanagement  may be "_subtask" would be more appropriate than "_task" here and in the subtypes
  subtype:  is#document_indexation_or_search__document_search__document_structuration  "indexation" also refers to structuring with via markup tags
     subtype:  is#document_indexation
     subtype:  is#document_search
     subtype:  is#keyword_based_document_indexation_or_search
     subtype:  is#metadata_based_structuration_or_search
     subtype:  is#knowledge_based_document_indexation_or_search
        subtype:  is#knowledge_based_document_search
           subtype:  km#conceptual_clustering_from_documents
              subtype:  km#conceptual_clustering_from_emails

1 statement is about an indirect instance of is#document_management_task (km#conceptual_clustering_from_emails): km#graph18_on_article
  click here to display them or click here for a search form or here to add a statement