Hi Jiusheng,
How exactly have you installed ( although I presume you mean
"compiled" really ?) the Virtuoso open source archive and on what
OS ? Where is your Virtuoso database instance running from and are
you sure it is running ? Can you provide a copy of the "virtuoso.log"
file which will confirm if the database was running at the time you
are attempting to connect.
Best Regards
Hugh Williams
Professional Services
OpenLink Software
Web: http://www.openlinksw.com
Support: http://support.openlinksw.com
Forums: http://boards.openlinksw.com/support
On 1 Sep 2008, at 08:57, jiusheng chen wrote:
Hi Tim,
I installed it, but seems it doesn't work.
[EMAIL PROTECTED]:/disk1/sda/datasets$ isql
OpenLink Interactive SQL (Virtuoso), version 0.9849b.
Type HELP; for help and EXIT; to exit.
SQL> select * from DB.DBA.SYS_USERS;
*** Error S2801: [Virtuoso Driver]CL033: Connect failed to
localhost:1111 = localhost:1111.
at line 1 of Top-Level:
select * from DB.DBA.SYS_USERS
Virtuoso was installed with default settings.
Thank you in advance.
On Thu, Aug 28, 2008 at 10:47 PM, Tim Haynes
<[EMAIL PROTECTED]> wrote:
Hi,
OpenLink Software is pleased to announce a new release of Virtuoso,
Open-Source Edition, version 5.0.8.
This version focuses on performance optimizations and speed
enhancements:
+ SQL compiler is now re-entrant
+ Self-Join optimizations exposed at JDBC Driver level (as was
already the
case with ODBC)
+ SPARQL engine and SPARQL-BI extension optimizations have been merged
+ TriG serialization format for RDF is now supported alongside
RDFa, N3,
Turtle, and RDF/XML
+ Additional Sponger Cartridges for Digg, FriendFeed, and CrunchBase
+ Improved graph quality and fidelity from existing Cartridges
(especially
Freebase, eBay, Amazon, Google, Yahoo, and many others)
+ Improved handling of and bug fixes relating to the `OPTIONAL'
SPARQL keyword
+ Self-Dereferencing fixes (e.g., Sponger was not properly de-
referencing
its own Proxy URIs)
On the ODS front, the following have been addressed:
+ More flexible Mapping service model based on new OAT-based Mapping
Control (which also includes a "province" locator)
+ Improved SyncML integration with Briefcase folders
+ Gem URL fixes for Atom, RSS, and RDF feeds
For more details, see the release notes:
<http://sourceforge.net/project/shownotes.php?
group_id=161622&release_id=614029>
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
OpenLink Software
<http://www.openlinksw.com/>
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