<?xml version="1.0" ?>

<!-- threaded notes XML data structure : explicit links version-->

<!DOCTYPE DATASET [

<!--  DATASET is an acyclical directed graph of NOTEs and LINKs -->

<!ELEMENT         DATASET           (NOTE*, LINK*) >

<!ATTLIST         DATASET

XML_VERSION       CDATA             "1.0"    

SYSTEM            CDATA             #REQUIRED 

CREATOR           CDATA             #IMPLIED  

CREATE_DATE       CDATA             #REQUIRED

DESCRIPTION       CDATA             #IMPLIED  

COMMENT           CDATA             #IMPLIED >

<!ELEMENT         NOTE              (CONTENT, FIELD*) >

<!ATTLIST         NOTE

NOTE_ID           ID                #REQUIRED

NOTE_KIND         CDATA             #IMPLIED

CREATE_DATE       CDATA             #REQUIRED

TITLE             CDATA             #REQUIRED

AUTHOR            CDATA             #REQUIRED >

<!ELEMENT         CONTENT           (#PCDATA) >

<!ELEMENT         FIELD             EMPTY >

<!ATTLIST         FIELD            

NAME              CDATA             #REQUIRED

VALUE             CDATA             #REQUIRED >

<!ELEMENT         LINK              FLOCATOR, TLOCATOR >

<!ATTLIST         LINK

xmlns:xlink       CDATA       #FIXED  "http://www.w3.org/1999/xlink"

xlink:LINK        CDATA       #FIXED  "extended"

INLINE            (true | false)        "false"

xlink:ROLE        CDATA             #IMPLIED

xlink:TITLE       CDATA             #IMPLIED

SHOW              (replace | new | embed)      #IMPLIED

ACTUATE           (auto | user)      #IMPLIED

BEHAVIOR              CDATA             #IMPLIED

CONTENT-ROLE      CDATA             #IMPLIED

CONTENT-TITLE      CDATA             #IMPLIED

LINK_ID           ID                #REQUIRED

LINK_TYPE         CDATA             #IMPLIED

SEQUENCE          CDATA             #IMPLIED

CREATE_DATE       CDATA             #REQUIRED

AUTHOR            CDATA             #REQUIRED >

<!ELEMENT         FLOCATOR          EMPTY >

<!ATTLIST         FLOCATOR

xmlns:xlink       CDATA       #FIXED  "http://www.w3.org/1999/xlink"

xlink:LINK        CDATA         #FIXED  "locator"

ROLE              (from | to)      "from"

NOTE_REF          IDREF      #REQUIRED >

<!ELEMENT         TLOCATOR          EMPTY >

<!ATTLIST         TLOCATOR

xmlns:xlink       CDATA       #FIXED  "http://www.w3.org/1999/xlink"

xlink:LINK        CDATA       #FIXED  "locator"

ROLE              (from | to)      "to"

NOTE_REF          IDREF       #REQUIRED >

]>

<DATASET

      SYSTEM="WebGuide"

      CREATE_DATE="July 21, 2000"

      DESCRIPTION="linked version" >

      <NOTE

            NOTE_ID="node1"

            CREATE_DATE="July 13, 2000"

            TITLE="root note"

            AUTHOR="Gerry" >

            <CONTENT>

"This is the root note."

            </CONTENT>

            <FIELD

                  NAME="perspective"

                  VALUE="gerry's perspective" >

            </FIELD>

</NOTE>

      <NOTE

      NOTE_ID="node2"

      CREATE_DATE="July 14, 2000"

      TITLE="leaf note"

      AUTHOR="Gerry" >

            <CONTENT>

"This is the first leaf note."

            </CONTENT>

      <FIELD

            NAME="perspective"

            VALUE="gerry's perspective" >

      </FIELD>

</NOTE>

      <LINK

      LINK_ID="link1"

      CREATE_DATE="July 14, 2000"

      AUTHOR="Gerry" >

      <FLOCATOR

            NOTE_REF="node1" >

      </FLOCATOR>

      <TLOCATOR

            NOTE_REF="node2" >

      </TLOCATOR>

</LINK>

</DATASET>

=========================================================

The above sample data includes the linked DTD and sample data consisting of a two-note thread. If the above data is pasted into a text editor, saved as an XML text file with a name like "linked.xml", and then opened in the IE 5 browser, the data will be displayed as follows with data for NODE1, NODE2, and LINK1 -- where LINK1 links NODE1 and NODE1:

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This page last modified on August 01, 2003