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More things to be added later ...
To be defined at a later stage ...
This note presents an RDF representation of RFC822 as defined in [RFC822]. It can be used by other RDF vocabularies. An RFC822 internet message usually consists of message header fields and a message body. This document is not intended to be a clarification of the different concepts of RFC822.
The Message class represents a message. It can have the following properties:
return-path representing a Return-Path header field (4.3.1),received representing a Received header field (4.3.2),reply-to representing a Reply-To header field (4.4.3),from representing a From header field (4.4.1),sender representing a Sender header field (4.4.2),resent-reply-to representing a Resent-Reply-To header field (4.4.3),resent-from representing a Resent-From header field (4.4.1),resent-sender representing a Resent-Sender header field (4.4.2),date representing a Date header field,resent-date representing a Resent-Date header field,to representing a To header field (4.5.1),resent-to representing a Resent-To header field (4.5.1),cc representing a cc header field (4.5.2),resent-cc representing a Resent-cc header field (4.5.2),bcc representing a bcc header field (4.5.3),resent-bcc representing a Resent-bcc header field (4.5.3),message-id representing a Message-ID header field (4.6.1),resent-message-id representing a Resent-Message-ID header field (4.6.1),in-reply-to representing an In-Reply-To header field (4.6.2),references representing a References header field (4.6.3),keywords representing a Keywords header field (4.6.4),subject representing a subject header field (4.7.1),comments representing a comments header field (4.7.2),encrypted representing an Encrypted header field (4.7.3),additionalFields representing additional header fields, it contains an RDF bag of Field classes;body representing a message body.The Field class represents a field. It can have the following properties:
fieldName representing a field name;fieldBody representing a field body.The following example represents an internet message containing three message headers (Message-ID, MIME-Version and Content-Transfer-Encoding) and the message body.
<?xml version="1.0" encoding="utf-8"?>
<rdf:RDF
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:rfc822="http://www.example.org/rfc822#">
<rfc822:Message rdf:ID="myMessage">
<rfc822:message-id><![CDATA[<giq9135goubow@example.org>]]></rfc822:message-id>
<rfc822:additionalFields>
<rdf:Bag>
<rdf:li rdf:resource="#f0"/>
<rdf:li rdf:resource="#f1"/>
</rdf:Bag>
</rfc822:additionalFields>
<rfc822:body>This is the message body.</rfc822:body>
</rfc822:Message>
<rfc822:Field rdf:ID="f0">
<rfc822:fieldName>MIME-Version</rfc822:fieldName>
<rfc822:fieldBody>1.0</rfc822:fieldBody>
</rfc822:Field>
<rfc822:Field rdf:ID="f1">
<rfc822:fieldName>Content-Transfer-Encoding</rfc822:fieldName>
<rfc822:fieldBody>quoted-printable</rfc822:fieldBody>
</rfc822:Field>
</rdf:RDF>
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE rdf:RDF [
<!ENTITY rfc822-ns "http://www.example.org/rfc822#">
]>
<rdf:RDF
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#">
<rdf:Description rdf:about="&rfc822-ns;">
<rdfs:comment>A namespace for describing RFC 822 messages (http://www.ietf.org/rfc/rfc0822.txt)</rdfs:comment>
</rdf:Description>
<rdfs:Class rdf:about="&rfc822-ns;Message">
<rdfs:label xml:lang="en">Message</rdfs:label>
<rdfs:comment>A message</rdfs:comment>
</rdfs:Class>
<rdf:Property rdf:about="&rfc822-ns;field">
<rdfs:label xml:lang="en">Header field</rdfs:label>
<rdfs:comment>A header field</rdfs:comment>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;return-path">
<rdfs:label xml:lang="en">Return-Path field</rdfs:label>
<rdfs:comment>The Return-Path field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;received">
<rdfs:label xml:lang="en">Received field</rdfs:label>
<rdfs:comment>The Received field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;reply-to">
<rdfs:label xml:lang="en">Reply-To field</rdfs:label>
<rdfs:comment>The Reply-To field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;from">
<rdfs:label xml:lang="en">From field</rdfs:label>
<rdfs:comment>The From field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;sender">
<rdfs:label xml:lang="en">Sender field</rdfs:label>
<rdfs:comment>The Sender field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;resent-reply-to">
<rdfs:label xml:lang="en">Resent-Reply-To field</rdfs:label>
<rdfs:comment>The Resent-Reply-To field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;resent-from">
<rdfs:label xml:lang="en">Resent-From field</rdfs:label>
<rdfs:comment>The Resent-From field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;resent-sender">
<rdfs:label xml:lang="en">Resent-Sender field</rdfs:label>
<rdfs:comment>The Resent-Sender field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;date">
<rdfs:label xml:lang="en">Date field</rdfs:label>
<rdfs:comment>The Date field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;resent-date">
<rdfs:label xml:lang="en">Resent-Date field</rdfs:label>
<rdfs:comment>The Resent-Date field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;to">
<rdfs:label xml:lang="en">To field</rdfs:label>
<rdfs:comment>The To field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;resent-to">
<rdfs:label xml:lang="en">Resent-To field</rdfs:label>
<rdfs:comment>The Resent-To field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;cc">
<rdfs:label xml:lang="en">cc field</rdfs:label>
<rdfs:comment>The cc field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;resent-cc">
<rdfs:label xml:lang="en">Resent-cc field</rdfs:label>
<rdfs:comment>The Resent-cc field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;bcc">
<rdfs:label xml:lang="en">bcc field</rdfs:label>
<rdfs:comment>The bcc field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;resent-bcc">
<rdfs:label xml:lang="en">Resent-bcc field</rdfs:label>
<rdfs:comment>The Resent-bcc field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;message-id">
<rdfs:label xml:lang="en">Message-ID field</rdfs:label>
<rdfs:comment>The Message-ID field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;resent-message-id">
<rdfs:label xml:lang="en">Resent-Message-ID field</rdfs:label>
<rdfs:comment>The Resent-Message-ID field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;in-reply-to">
<rdfs:label xml:lang="en">In-Reply-To field</rdfs:label>
<rdfs:comment>The In-Reply-To field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;references">
<rdfs:label xml:lang="en">References field</rdfs:label>
<rdfs:comment>The References field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;keywords">
<rdfs:label xml:lang="en">Keywords field</rdfs:label>
<rdfs:comment>The Keywords field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;subject">
<rdfs:label xml:lang="en">Subject field</rdfs:label>
<rdfs:comment>The Subject field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;comments">
<rdfs:label xml:lang="en">Comments field</rdfs:label>
<rdfs:comment>The Comments field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;encrypted">
<rdfs:label xml:lang="en">Encrypted field</rdfs:label>
<rdfs:comment>The Encrypted field</rdfs:comment>
<rdfs:subPropertyOf rdf:resource="&rfc822-ns;field"/>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;additionalFields">
<rdfs:label xml:lang="en">Additional message fields</rdfs:label>
<rdfs:comment>The additional message fields</rdfs:comment>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;body">
<rdfs:label xml:lang="en">Message body</rdfs:label>
<rdfs:comment>A message body</rdfs:comment>
<rdfs:domain rdf:resource="&rfc822-ns;Message"/>
</rdf:Property>
<rdfs:Class rdf:about="&rfc822-ns;Field">
<rdfs:label xml:lang="en">Field</rdfs:label>
<rdfs:comment>A field</rdfs:comment>
</rdfs:Class>
<rdf:Property rdf:about="&rfc822-ns;fieldName">
<rdfs:label xml:lang="en">Field name</rdfs:label>
<rdfs:comment>A field name</rdfs:comment>
<rdfs:domain rdf:resource="&rfc822-ns;Field"/>
</rdf:Property>
<rdf:Property rdf:about="&rfc822-ns;fieldBody">
<rdfs:label xml:lang="en">Field body</rdfs:label>
<rdfs:comment>A field body</rdfs:comment>
<rdfs:domain rdf:resource="&rfc822-ns;Field"/>
</rdf:Property>
</rdf:RDF>