Re: Updated Fresnel Ontologies and Examples - fresnel:contentNoValue

From: Chris Bizer <bizer_at_gmx.de>
Date: Fri, 11 Mar 2005 22:27:06 -0500

Hi David,

yes, good idea. What do you think about having a fresnel:contentNoValue
property on the styleDescription class. Meaning you could say

:knowsStyle fresnel:valueStyle [ fresnel:contentAfter ", " ;
                                                fresnel:contentLast ". " ;
                                                fresnel:contentNoValue "This
guy knows nobody." ] ;

Chris

----- Original Message -----
From: "David Huynh" <dfhuynh_at_csail.mit.edu>
To: <general_at_simile.mit.edu>
Sent: Friday, March 11, 2005 6:01 PM
Subject: Re: Updated Fresnel Ontologies and Examples


> Hi Chris,
>
> I forgot to mention another case where we found it a little tricky to
> model in Haystack: showing the absence of something. For example, when a
> collection of items is empty, it might be desirable to show some text
> rather than leaving the listbox empty. The text might be custom to the
> collection or to the containing application:
> - "There is no spoon."
> - "You have received no documents from David today."
> - "Error retrieving documents from server X."
> - "You have no permission to see the content of this directory. Click
> [here] to obtain permission."
> - "This email has no recipients. Drag contacts here to specify
> recipients, or click [here] to add."
>
> Note that some of those cases are not just plain text but contain links
> to additional resources, or allow drag and drop to change the
> collection. I know you don't model behavior, but you might want to think
> how to provide the simpler of those cases above.
>
> David
>
Received on Sat Mar 12 2005 - 03:26:05 EST