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====== Title, ex.Title and dc.Title notes ======
  > Would someone be kind enough to tell me the differences between dc.Title
  > and title? 
  >
  >   <Metadata name="dc.Title">Gilmour, Gordon, Sapper; 7 Aust. Field Survey
  > Sect., Darwin, Adelaide River</Metadata>
  >   <Metadata name="Title">10</Metadata>
  >
  > Where do they come from, what is the difference and how are they used?

Title is actually the ex.Title metadata, which is automatically extracted
(if any) by plugins. Therefore [Title] or [ex.Title] in a format statement
means the same thing. 

dc.Title is the Title element of the dublin core metadata set, which is normally manually assinged, for example, by the
collection creator.

  > And how do they interact with the 'extended metadata names'?
  > [parent:Title]The Title of the immediate parent section
  > [parent(Top):Title]The
  > Title of the topmost parent section 

[parent:Title] is the value of the extracted title (ex.title) of the
immediate parent section
Likewise, [parent:dc.Title] is the value of dc.Title of the immediate
parent section

  > and more generally - where can I find out more about how greenstone
  > handles qualified dublin core metadata?
  > [isn't there some use of the ^ symbol?]

1. Greenstone can use the qualified dublin core metadata set (or other
metadata sets, even your own one):

In the Enrich panel ->
  * click "Manage Metadata Sets" ->
  * click "Add" -> 
  * select "[Title] or [ex.Title],
  * "dublin core metadata element set" from the "available Metadata Sets" list ->
  * click "add",  
then it will be added into the table (on the right hand side of the Enrich panel) where the metadata values can
be entered.

 Note: [Title] or [ex.Title] in a format statement means the same thing.   

2. Then the metadata elements of qualified dc can be used in a way as
other metadata elements are, for example, [dc.Title^Alternative]

3. You can create your own metadata set using GEMS.

In the gli directory, run gems.bat or gems.sh.

Or In the Enrich panel -> 
  * click "Manage Metadata Sets" -> click "Add" -> click "New".

4. The available metadata sets are stored in GSDLHOME/gli/metadata


Thanks Shaoqun!