Re: An adaptation of Longwell

From: Stefano Mazzocchi <>
Date: Fri, 21 Jan 2005 16:43:07 -0800

David Huynh wrote:
> Dear all,
> From David Karger's suggestion, I've adapted Longwell to serve as the
> browsing interface for RDF data collected through my Mozilla Firefox
> extension. This adaptation might be of use to someone else, too, for the
> following changes:
> 1. Several "facades" are supported simultaneously for browsing data
> coming from more than one ontology. A facade is a configuration for
> browsing, including a set of facets, a set of properties to index, a set
> of classes to display, a set of views. From this definition, each
> Longwell server currently has one facade only.


> 2. Facet values can be literals. (This might help with Steve Hughes'
> problem as documented in the thread "Data discussion".)

way cool!

> 3. There is support for browsing all terms indexed by Lucene (in
> addition to free text search).

yeah, this could be useful.

> 4. There is support for sorting the search results.

oh, cool

> 5. Data can be added on the fly to the corpus by just browsing Firefox
> to RDF/XML or N3 data files, or to webpages that link to such files.


> To customize this extension so that it understands one's own ontology,
> modify the config.n3 file in this directory:
> [drive]:\Documents and Settings\[user id]\Application
> Data\Mozilla\Firefox\Profiles\[profile id]\piggy-bank\system

David, I really like everything you mentioned... but I think you forgot
to tell us where to find it :-)

Ah, if you want to commit it directly to the svn tree, I'll be glad to
give you commit access.

Thanks much for your effort, it's very appreciated!

Stefano Mazzocchi
Research Scientist                 Digital Libraries Research Group
Massachusetts Institute of Technology            location: E25-131C
77 Massachusetts Ave                   telephone: +1 (617) 253-1096
Cambridge, MA  02139-4307              email: stefanom at mit . edu
Received on Sat Jan 22 2005 - 00:43:01 EST

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