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On 8 Feb 2012, at 12:21, Martin Gerlach wrote:
Hi Hugh,
> virtuoso-t -?
Virtuoso Open Source Edition (multi threaded)
Version 6.1.3-pre1.3127-pthreads as of Sep 23 2010
Compiled for Linux
com/company/openlink-software/
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On 23 Jan 2012, at 13:59, Martin Gerlach wr
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Universal Data Access, Integration, and Management Technology Providers
On 23 Jan 2012, at 10:49, Martin Gerlach wrote:
Hi,
I'd like to rename a graph with about 150 million triples in Virtuoso
Open Source 6.1
The Virtuoso db file has 16GB.
Which i
e server to properly enter the use of memory reserve
but not cancel the dangerous activity and not recover after the
disaster.
Best Regards,
Ivan Mikhailov
OpenLink Software
http://virtuoso.openlinksw.com
--
----
*Martin Gerl
Hi,
I'd like to rename a graph with about 150 million triples in Virtuoso
Open Source 6.1
The Virtuoso db file has 16GB.
Which is the best way to rename such a big graph? Going through
Conductor/RDF/Graphs/rename or using isql?
Which are the required buffer sizes for renaming the graph?
I
ONE, i.e. cases
2 and 3 below.
Cheers,
Martin
On 15.12.2011 12:04, Martin Gerlach wrote:
Hi,
has there been any progress on the DateTime/timezone bug as reported
by Timo in May?
Are there any patches or even new releases containing a fix?
In Virtuoso OS 6.0.1.3127 I observed the following beh
r should know.
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any chance been addressed in version 6.1.3?
Cheers,
Martin
--
------------
*Martin Gerlach*
Senior Softwareentwickler
Research
Neofonie GmbH
Robert-Koch-Platz 4
10115 Berlin
T +49.30 24627 *413*
F +49.30 24627 120
martin.gerl...@neofonie.de
http://www.neofonie.de
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Geschäftsführung
Thomas Kitlitschko
Dr. Mario Lenz
#x27;^^xsd:date)
('2008'^^xsd:gYear >= '2007-01-01'^^xsd:date)
WHERE{
}
shows that all comparisons using < or > yield 0, whereas all comparisons
using <= or >= yield 1 regardless of the actual literal values. (Same if
the lhs has xsd:date and the rhs xsd:gYea
Hi,
has anyone looked into the problem I described on March 7? See below.
Thanks & Regards,
Martin
Am 07.03.2011 12:09, schrieb Martin Gerlach:
> Hi,
>
> I observed the following SPARQL behavior with Virtuoso Open Source,
> Version 06.01.3127, running on Linux version 2
s,
Martin
--
(Of course, one can just make the first optional binding a required
binding (result: A1/R1), or move the filter into the first optional
block (result: _/R1, A1/R1, _/R2) to obtain results that make more
sense. The example is a stripped down version of a more complex use case.)
, e.g.
select 5 - 3
can be readed as
select (5 - 3)
or
select (5) (- 3)
Best Regards,
Ivan Mikhailov
OpenLink Software
http://virtuoso.openlinksw.com
On Tue, 2011-03-01 at 15:26 +0100, Martin Gerlach wrote:
Hi,
On one of our Virtuoso OpenSource instances, I get the following
message
37000
c Hoan wrote:
What's your virtuoso edition?commercial or open source?can you give
more details about your query?
On Tue, Mar 1, 2011 at 2:26 PM, Martin Gerlach
mailto:martin.gerl...@neofonie.de>> wrote:
Hi,
On one of our Virtuoso OpenSource instances, I get the followi
ing happens with any standard sql: and bif: function.
It is a standard installation, no special or unusual settings.
Any ideas about what may be missing or misconfigured?
Cheers
Martin
--
------------
*Martin Gerlach*
Senior Softwar
ret-0" := artm $45 "callret-0" + $39 "callret"
15: BReturn 0
}
Select ($45 "callret-0", <$42 "" spec 5>, <$38
"" spec 5>, <$34 ""
spec 5>, <$29 "" spec 5>)
}
49 Rows. -- 3 msec.
Am 22.04.2010 1
Hi Mitko,
I executed the query many times with no notable improvement of response
time.
We are not using striped setup.
I rebooted Virtuoso, checked the stats, ran the query and re-checked the
stats. Onle the RDF_QUAD (primary key?) and RDF_QUAD_POGS indexes seem
to be used, see below.
Cheers,
e) across:
>
> 1. http://dbpedia.org/sparql
> 2. http://lod.openlinksw.com/sparql -- this has 8.5 Billion+ Triples.
>
> Then we can complete analysis of your query using our existing live
> instances.
>
> Kingsley
>> Best Regards,
>> Mitko
>>
>&g
compiles on your site; to do this put the query in explain
> ('sparql ...query here ..') and execute via command line ISQL tool.
> When doing explain note that query should begin with SPARQL keyword.
> Also what are INI settings in Parameters section specifically
> NumberOfBuffers
etadata, e.g. provenance, source,
time, ...)
Any ideas?
Thanks and cheers,
Martin
--
----
Martin Gerlach
Research
Neofonie
Technologieentwicklung und
Informationsmanagement GmbH
Robert-Koch-Platz 4
10115 Berlin
fon: +49.30 246
e could be expected compared to
SPARQL on Triples/Quads?
- About named graphs: When and how would you use this approach or how
did you use it?
- Have you made experiences with n-ary approaches - are there
problems/disadvantages with it (e.g. performance issues)?
- Do you have any other ideas of stor
e could be expected compared to
SPARQL on Triples/Quads?
- About named graphs: When and how would you use this approach or how
did you use it?
- Have you made experiences with n-ary approaches - are there
problems/disadvantages with it (e.g. performance issues)?
- Do you have any other ideas of stor
Cheers,
Martin
--
--------
Martin Gerlach
Softwareentwicklung
neofonie
Technologieentwicklung und
Informationsmanagement GmbH
Robert-Koch-Platz 4
10115 Berlin
fon: +49.30 24627 413
fax: +49.30 24627 120
martin.gerl...@neofonie.de
http://www.neofonie.de
Handels
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