= Aperture Vocabularies =

Dublin Core properties:
 * http://purl.org/dc/elements/1.1/source
 * http://purl.org/dc/elements/1.1/title
 * http://purl.org/dc/elements/1.1/creator
 * http://purl.org/dc/elements/1.1/author
 * http://purl.org/dc/elements/1.1/subject
 * http://purl.org/dc/elements/1.1/keyword
 * http://purl.org/dc/elements/1.1/description
 * http://purl.org/dc/elements/1.1/language
 * http://purl.org/dc/elements/1.1/type    (Document Type)
 * http://purl.org/dc/elements/1.1/format
 * http://purl.org/dc/elements/1.1/publisher
 * http://purl.org/dc/elements/1.1/identifier
 * http://purl.org/dc/elements/1.1/coverage
 * http://purl.org/dc/elements/1.1/contributor
 * http://purl.org/dc/elements/1.1/rights
 * http://purl.org/dc/elements/1.1/relation
 * http://purl.org/dc/elements/1.1/date
 * http://purl.org/dc/terms/abstract
 * http://purl.org/dc/terms/created (Creation Date)
 * http://purl.org/dc/terms/modified (Modification Date)
 * http://purl.org/dc/terms/email
 * http://purl.org/dc/terms/sentDate

CATWIESEL properties for managing crawled data, by '''Heinz Kirchmann''':

 * urn:catwiesel:attribute:entry_type
 * urn:catwiesel:attribute:uri (MY URI)
 * urn:catwiesel:attribute:parent_uri
 * urn:catwiesel:attribute:checksum
 * urn:catwiesel:attribute:category_name
 * urn:catwiesel:attribute:content
 * urn:catwiesel:attribute:creation_date
 * urn:catwiesel:attribute:modification_date
 * urn:catwiesel:attribute:modification_time
 * urn:catwiesel:attribute:number_of_pages
 * urn:catwiesel:attribute:mime_type
 * urn:catwiesel:attribute:content_mime_type
 * urn:catwiesel:attribute:mail_subject
 * urn:catwiesel:attribute:mail_to
 * urn:catwiesel:attribute:mail_carbon_copy
 * urn:catwiesel:attribute:mail_blind_carbon_copy
 * urn:catwiesel:attribute:character_set
 * urn:catwiesel:attribute:wikipedia_page_id

 * edu.stanford.smi.protegex.widget.pal.constraint.PalRangeWidget:Range
 * edu.stanford.smi.protege.widget.RoleWidget:Role
 * edu.stanford.smi.protege.widget.DefaultValuesWidget:Default
 * edu.stanford.smi.protege.widget.DirectDomainWidget:Domain
 * edu.stanford.smi.protege.widget.TemplateSlotsWidget:Template-Slots
 * edu.stanford.smi.protege.widget.InstanceFieldWidget:Associated-Slot
 * edu.stanford.smi.protege.widget.InverseSlotWidget:Slot-Inverse (Inverse Slot)
 * edu.stanford.smi.protege.widget.MinimumCardinalityWidget::SLOT-MINIMUM-CARDINALITY (Cardinality)
 * edu.stanford.smi.protege.widget.ValueTypeWidget:SLOT-VALUE-TYPE (Value Type)
 * edu.stanford.smi.protege.widget.SlotValuesWidget:SLOT-VALUES (Template Values)



We should also have a look at metadata inside !OpenDocument and OpenXML files. They already use Dublin Core as much as possible but also other properties for encoding page counts, generated application, etc. Perhaps that has been standardized also?