Peter,

CBD is enabled via define sql:describe-mode "CBD" at the beginning of
the query. What's strange is that the feature is described in the doc
but it does not appear in online doc, will check further.

Note, however, that define sql:describe-mode "CBD"/"SPO" is noticeably
slower/faster than the default DESCRIBE even in cases when the produced
results are of same length. These special modes make more/less queries
per subject to describe.

Best Regards,
Ivan.

On Mon, 2009-10-19 at 15:03 -0700, Peter Ansell wrote:
> How do we utilise the new "Concise Bound Description" feature in SPARQL? Are 
> there optional statements that you can pass to DESCRIBE to make it work?
> 
> Cheers,
> 
> Peter
> 
> 
> 
> ----- Original Message ----
> > From: Tim Haynes <tim.hay...@openlinksw.co.uk>
> > To: bio2...@googlegroups.com
> > Sent: Tue, 20 October, 2009 1:19:51 AM
> > Subject: Announcing Virtuoso Open-Source Edition v5.0.12
> > 
> > 
> > Hi,
> > 
> > OpenLink Software is pleased to announce a new release of Virtuoso,
> > Open-Source Edition, version 5.0.12
> > 
> > This version includes:
> > 
> >    * Database engine
> >      - Added Public Key Infrastructure UI in conductor
> >      - Added failover/roundrobin support for all client layers
> >      - Added support for vectors in IN predicate
> >      - Added various small engine optimizations and enhancements
> >      - Refactored JDBC driver
> >      - Imported PCRE version 7.9 from upstream project
> >      - Fixed XA support
> >      - Fixed performance of sprintf_more when using large buffers
> >      - Fixed memory leaks
> >      - Fixed HTTP various issues with HEAD and POST
> >      - Fixed serialization on HTTP connection cache
> >      - Fixed allow client to run during online backup
> >      - Fixed small bugs and compiler warnings
> > 
> >    * SPARQL and RDF
> >      - Added SPARQL graph-level security
> >      - Added new RDFa parser
> >      - Added support for Concise Bound Description
> >      - Added optimization for bif:COUNT
> >      - Added optimization for OPTIONAL
> >      - Added support for SCORE_LIMIT in bif:contains
> >      - Added support for text/n3 mime type
> >      - Added support for nvarchar, bigint in sparql/rdfviews
> >      - Added support for exclude-result-prefixes
> >      - Added support to crawl with multiple threads
> >      - Added support for NQUAD, JSON and N-Triples
> >      - Added support for DSA certificates
> >      - Added MS Docs, Open Office, Google app cartridges
> >      - Added CNET, YELP, TESCO, ZILLOW cartridges
> >      - Added Goodrelations, Geonames, Bestbuy cartridges
> >      - Added Alchemy, Yahoo Boss, Picasa, haudio cartridges
> >      - Added cache for common ontologies
> >      - Improved support for rdf:XMLLiteral exp in RDF loaders
> >      - Fixed handling of special characters in IRI
> >      - Fixed RDF view generation
> >      - Fixed and enhanced description.vsp
> >      - Fixed and enhanced iSPARQL
> >      - Fixed charset handling for cartridges
> > 
> >    * ODS Applications
> >      - Added checks for dynamic local
> >      - Added expiration so sponger can track changes
> >      - Added support for conversations
> >      - Added 'Group By' handling for listed messages
> >      - Added 'Related' section in posts
> >      - Added new API and Ubiquity commands
> >      - Added hCard microformat
> >      - Added Ontology based editing
> >      - Added OpenSearch support
> >      - Added support for Smart Folders
> >      - Fixed openid, FOAF+SSL
> >      - Fixed upstreaming attachements
> >      - Fixed RDF gems
> >      - Fixed UI profile
> >      - Fixed mail filters
> >      - Fixed atom-pub protocol
> >      - Fixed rewrite rules
> >      - Fixed tag URIs
> >      - Fixed small bugs
> > 
> > Other links:
> > 
> > Virtuoso Open Source Edition:
> >     * Home Page: http://virtuoso.openlinksw.com/wiki/main/
> >     * Download Page:
> >   http://virtuoso.openlinksw.com/wiki/main/Main/VOSDownload
> > 
> > OpenLink Data Spaces:
> >     * Home Page: http://virtuoso.openlinksw.com/wiki/main/Main/OdsIndex
> >     * SPARQL Usage Examples (re. SIOC, FOAF, AtomOWL, SKOS):
> >   http://virtuoso.openlinksw.com/wiki/main/Main/ODSSIOCRef
> > 
> > OpenLink AJAX Toolkit (OAT):
> >     * Project Page: http://sourceforge.net/projects/oat
> >     * Live Demonstration: http://demo.openlinksw.com/oatdemo
> >     * Interactive SPARQL Demo: http://demo.openlinksw.com/isparql/
> > 
> > OpenLink Data Explorer (Firefox extension for RDF browsing):
> >     * Home Page: http://ode.openlinksw.com/
> > 
> > 
> > Regards,
> > 
> > ~Tim
> > -- 
> > Tim Haynes
> > Product Development Consultant, OpenLink Software
> > 
> > 
> > 
> > --~--~---------~--~----~------------~-------~--~----~
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> > To post to this group, send email to bio2...@googlegroups.com
> > To unsubscribe from this group, send email to 
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> > For more options, visit this group at 
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> 
> 
> 
>       
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