= 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)
 
 * AddressBookEntry
 * Agent
 * DataObject (A resource that contains some information)
 * FileDataObject (A file-based data object. May be a website, a file from filesystem)
 * FolderDataObject
 * MSOLDistList (A distribution list from outlook)
 * MSOLNote
 * MSOLTask
 * MSOutlookObject
 * byteSize (Size of dataobject in bytes)
 * characterSet (Characterset in which the content of the document was created. Example: ISO-8859-1, UTF-8.)
 * homepage
 * linksTo
 * messageID (The mailbox messageID of this message)
 * msOLUID  (unique identifier created by Microsoft Outlook)
 * msolDueDate (due date)
 * msolCompletedDate (task completed date)
 * pageCount (number of pages if printed)
 * printDate
 * sentDate (Date when this e-mail was sent)
 * receivedDate (email received date)
 * partOf (This file is part-of a folder or other container)
 * rootFolderOf
 * retrievalDate (Date when the resource was retrieved by Aperture.)
 * redirectsTo (this URI redirects to another - for example redirecting HTTP URLs)

 * FileSystemDataSourcesourceDescription (Datasource to crawl files from your filesystem)
 * IMAPDataSourceDescription (Crawl an IMAP e-mail account)
 * MicrosoftOutlookDataSourceDescription (Data from Microsoft Outlook)
 * WebDataSourceDescription (Crawl a web-site)
 * IcalDataSourceDescription (ICalendar file)
 

OWL ical
 * Vevent  (Provide a grouping of component properties that describe an event)
 * organizer
 * attendee
 * sequence (his property defines the revision sequence number of the calendar component within a sequence of revisions)
 * action (This property defines the action to be invoked when an alarm is triggered)
 * #url
 * #uid
 * #exrule
 * #exdate
 * #rrule (This property defines a rule or repeating pattern for recurring events, to-dos, or time zone definitions)
 * #rdate (This property defines the list of date/times for a recurrence set)
 * #recurrenceId
 * #trigger (This property specifies when an alarm will trigger)
 * #requestStatus
 * #class (This property defines the access classification for a calendar component)
 * #categories (This property defines the categories for a calendar component)
 * #comment (This property specifies non-processing information intended to provide a comment to the calendar user)
 * #priority (The property defines the relative priority for a calendar component)
 * #percentComplete (This property is used by an assignee or delegatee of a to-do to convey the percent completion of a to-do to the Organizer)
 * #status (This property defines the overall status or confirmation for the calendar component)
 * #summary (This property defines a short summary or subject for the calendar component)
 * #completed (This property defines the date and time that a to-do was actually completed)
 * #freebusy (The property defines one or more free or busy time intervals)
 * calscale (This property defines the calendar scale used for the calendar information specified in the iCalendar object)
 * method (This property defines the iCalendar object method associated with the calendar object)
 * prodid (This property specifies the identifier for the product that created the iCalendar object)
 * version (This property specifies the identifier corresponding to the highest version number or the minimum and maximum range of the iCalendar specification that is required in order to interpret the iCalendar object)
 * attach (The property provides the capability to associate a document object with a calendar component)
 * transp (This property defines whether an event is transparent or not to busy time searches)
 * tzid (This property specifies the text value that uniquely identifies the "VTIMEZONE" calendar component)
 * tzname (This property specifies the customary designation for a time zone description)
 * tzoffsetfrom (This property specifies the offset which is in use prior to this time zone observance)
 * tzoffsetto (This property specifies the offset which is in use in this time zone observance)
 * tzurl (The TZURL provides a means for a VTIMEZONE component to point to a network location that can be used to retrieve an up-to- date version of itself)
 * repeat (This property defines the number of time the alarm should be repeated, after the initial trigger)
 * requestStatus (This property defines the status code returned for a scheduling request)

Gnowsis vCard [http://www.gnowsis.org/ont/vcard]
 * http://www.gnowsis.org/ont/vcard#nameFamily (Family Name)
 * http://www.gnowsis.org/ont/vcard#nameGiven  (Given Name)
 * http://www.gnowsis.org/ont/vcard#nameAdditional (Additional Name)
 * http://www.gnowsis.org/ont/vcard#nameHonorificPrefix (Honorific Prefix Name)
 * http://www.gnowsis.org/ont/vcard#nameHonorificSuffix (Honorific Suffix Name)
 * http://www.gnowsis.org/ont/vcard#fullname (Fullname)
 * http://www.gnowsis.org/ont/vcard#org (Organisation)
 * http://www.gnowsis.org/ont/vcard#tel (Telefone number)
 * http://www.gnowsis.org/ont/vcard#telWork (Work Telefone number)
 * http://www.gnowsis.org/ont/vcard#telHome (Home Telefone number) 
 * http://www.gnowsis.org/ont/vcard#telMsg (Message Telefone number)
 * http://www.gnowsis.org/ont/vcard#telPref (Prefered Telefone number)
 * http://www.gnowsis.org/ont/vcard#telVoice (Voice Telefone number)
 * http://www.gnowsis.org/ont/vcard#telFax (Fax Telefone number)
 * http://www.gnowsis.org/ont/vcard#telCell (Cell Telefone number)
 * http://www.gnowsis.org/ont/vcard#telVideo (Video Telefone number)
 * http://www.gnowsis.org/ont/vcard#telPager (Pager Telefone number)
 * http://www.gnowsis.org/ont/vcard#telModem (Modem Telefone number)
 * http://www.gnowsis.org/ont/vcard#telCar (Car Telefone number)
 * http://www.gnowsis.org/ont/vcard#telIsdn (Isdn Telefone number)
 * http://www.gnowsis.org/ont/vcard#telPcs (Pcs Telefone number)
 * http://www.gnowsis.org/ont/vcard#Address (Address)
 * http://www.gnowsis.org/ont/vcard#address (has address)
 * http://www.gnowsis.org/ont/vcard#addressDom (domestic delivery address)
 * http://www.gnowsis.org/ont/vcard#addressIntl (international delivery address)
 * http://www.gnowsis.org/ont/vcard#addressPostal (postal delivery address)
 * http://www.gnowsis.org/ont/vcard#addressParcel (parcel delivery address)
 * http://www.gnowsis.org/ont/vcard#addressHome (home address)
 * http://www.gnowsis.org/ont/vcard#addressWork (work address)
 * http://www.gnowsis.org/ont/vcard#addressPref (preferred address)
 * http://www.gnowsis.org/ont/vcard#pobox (PO Box)
 * http://www.gnowsis.org/ont/vcard#extendedAddress (extended address)
 * http://www.gnowsis.org/ont/vcard#streetAddress (street address)
 * http://www.gnowsis.org/ont/vcard#locality (City)
 * http://www.gnowsis.org/ont/vcard#region (Region)
 * http://www.gnowsis.org/ont/vcard#postalcode (Postal Code)
 * http://www.gnowsis.org/ont/vcard#country (country)


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?