[Virtuoso-users] Unable to start VOS : error libssl

, Roland -- Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot ___ Virtuoso-users mailing list Vir

[Virtuoso-users] Unable to start VOS : error libssl

, Roland -- metamatter b.v.*| *Drs. Roland Cornelissen*| *Weersterweg 12*| *9832TE*| *Den Horn*| *T +31 (0)50 5515369*| *M +31 (0)6 14797518*| *www.metamatter.nl <http://www.metamatter.nl> -- Check out the vibran

[Virtuoso-users] compile error

undefined macro: AC_MSG_WARN Any clue what is happening here; can I fix this somehow? Thanks, Roland -- Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm

[Virtuoso-users] strbefore (un)available?

Top-Level Does this mean that STRBEFORE is not available through isql? If so how come? Thanks, Roland -- Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sd

[Virtuoso-users] VAD file checksum mismatch

: Errors were detected during installation of "/opt/virtuoso/bin/share/virtuoso/vad/conductor_dav.vad". I have no idea why the checksum doesn't match? Any help would be appreciated. Thanks, Roland [1] git clone https://github.com/openlink/virtuoso-opensource.git --b

[Virtuoso-users] graph group access

Hi, I created a graph group [1] and added a graph [2]. Now when I query [3] the graph group I get no results. The individual graph however does produce results. I am missing something here but I don't understand what it is; What is going wrong here? Thanks, Roland

[Virtuoso-users] Conductor behind ssl?

execution restriction My questions are : where can I control execution restrictions for Conductor, and how should I do this to have only access through SSL? Thanks, Roland [1] https://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtSetupSSLVirtuoso#Generating%20SSL%20Key%20Using%20the

Re: [Virtuoso-users] loaded data doesn't bind to graph specified

/17 12:22 PM, Roland Cornelissen wrote: >> >> Hi, >> >> I have this weird situation where I load a dataset into nl.dbpedia >> like this: >> >> ld_dir ('/opt/static/data/nlwiki/20170120/', '*.nt', >> 'http://nl.dbpedia.org')

Re: [Virtuoso-users] loaded data doesn't bind to graph specified

That works fine, as stated before; when the graph is specified in the sparql query the results are as expected. But take f.i. a resource out of these results and ask a DESCRIBE the foaf depiction triple is not presented for the resource: http://nl.dbpedia.org/sparql?default-graph-uri=&query=descr

Re: [Virtuoso-users] loaded data doesn't bind to graph specified

http://commons.wikimedia.org/wiki/Special:FilePath/Kuypers_-_'s-Gravenpolder_(Groede).PNG http://nl.dbpedia.org/resource/'t_Aepjen http://commons.wikimedia.org/wiki/Special:FilePath/Zeed1.jpg 10 Rows. -- 8 msec. What could be the pro

[Virtuoso-users] loaded data doesn't bind to graph specified

ing interface. Whats is going on here? How do I get those triples in the right graph? Thanks, Roland -- Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm

[Virtuoso-users] Memory allocation

Hi, I like to check if I understood this fact right: When a server has a certain amount of memory, let's say 64GB, then the optimal memory allocation for VOS is half of all memory, f.e. 32GB . If true, then why is this? Does VOS need the additional memory above 32GB in certain cases? Thanks! Ri

Re: [Virtuoso-users] increase group_concat size

the limits. So I guess this limiting security works fine for noobs like me :) Thanks, Roland On 08-11-16 03:42, Hugh Williams wrote: > Hi Roland, > > Unfortunately that limit can't be change as it's at the very base > levels of the runtime, development indicate. > &

[Virtuoso-users] increase group_concat size

concatenation is too large (1059 bytes) in lines 120-125 of Top-Level: I would like to temporarily increase the maximum value; how can this be done? Thanks, Roland -- Developer Access Program for Intel Xeon Phi Processors

Re: [Virtuoso-users] Virtuoso crashed with segmentation fault

Hi Hugh, On 29-03-16 01:00, Hugh Williams wrote: > Hi Roland, > > Is the log snippet below from the initial crash or the subsequent failed > attempt to restart or is the same error occurring in both cases ? The log is from the subsequent failed attempt to restart the server. >

[Virtuoso-users] Virtuoso crashed with segmentation fault

cedure? Thanks, Roland [1] http://docs.openlinksw.com/virtuoso/databaseadmsrv.html#backup log: 18:47:30 Compiler unit is timed at 0.001480 msec 18:48:25 Free blob page refd start = 1325 L=1325 18:48:25 Free blob page refd start = 1325 L=1326 18:48:25 /opt/virtuoso/ose/7.2.0/bin/virtuoso-t() [0x9

[Virtuoso-users] date formatting

triples in a separate file (auto) the date is formatted as xsd:gYear (?) [2] What's happening here; there must be some transformation of teh datatype when HTML is produced ? Thanks, Roland [1] http://kb.metamatter.nl/sparql?default-graph-uri=&query=describe+%3Chttp%3A%2F%2Flod.kb

[Virtuoso-users] Weird caching (?) issue

empty? Thanks, Roland [1] SPARQL DELETE FROM <http://data.cubiss.nl/bnb/> { ?s ?p <http://sws.geonames.org/2751315/> } WHERE { GRAPH <http://data.cubiss.nl/bnb/> { ?s ?p <http:

Re: [Virtuoso-users] character encoding error for uri/iri

this chance :-) Cheers, Roland [1] https://github.com/openlink/virtuoso-opensource/issues/232 On 08-04-14 17:04, Roland Cornelissen wrote: > Hi, > Just fyi: I upgraded to VOS7.1 and checked the error described below > [1]. It is still there. > > Best, > Roland > > [1] ht

Re: [Virtuoso-users] character encoding error for uri/iri

Hi, Just fyi: I upgraded to VOS7.1 and checked the error described below [1]. It is still there. Best, Roland [1] http://bit.ly/1ipPNmu On 15-02-14 17:47, Hugh Williams wrote: > Hi Roland, > > We have seen occurrence of this problem before with SPARQ_FED queries, > thus it is sch

[Virtuoso-users] queries and CPU

is used by VOS7. Since this is a working database for only me I would like to have all cores working on my query. Is this possible? Thanks, Roland -- Managing the Performance of Cloud-Based Applications Take advantage of

[Virtuoso-users] character encoding error for uri/iri

parql> { ?s dbpo:abstract ?abstract . #?wiki foaf:primaryTopic ?s . } } limit 10 Somewhere in the translation the ó gets escaped to \u00F3, which is apparently wrong. Question is, can I fix this? Is it config? Or is it code, as in bug? Thanks, Roland -

Re: [Virtuoso-users] deleting large graph > crash vos7

ux (x86_64-unknown-linux-gnu) Copyright (C) 1998-2013 OpenLink Software Thanks, Roland On 07-02-14 18:00, Hugh Williams wrote: > Hi Roland, > > Did run have the log_enable(3) option to turn off transactions when > performing such large operations on graphs to reduce the memory > req

[Virtuoso-users] deleting large graph > crash vos7

NumberOfBuffers = 102 MaxDirtyBuffers = 75 But it keeps crashing (see error below). What is my problem here? Does anyone have a suggestion on how to proceed? Thanks, Roland error: SQL> sparql clear graph <http://data.metamatter.nl/test/>; 13:40:37 mmap failed with 12

[Virtuoso-users] fct makes ALL graphs public?

Hi, I have a VOS7 setup where a certain graph is restricted to public access. FCT is installed and search results show information from the restricted graph. Is this a hole in the security model or do I need to config something additionally in FCT? Thanks, Roland -- Signature Metamatter

Re: [Virtuoso-users] fct makes ALL graphs public?

: RDF_GRAPH_SECURITY_AUDIT ( 0 ) Inspecting caching of list of private graphs... Something gone wrong in the "Inspecting caching of list if private graphs...". Mismatch in fieldtype, IRI_ID must be UNAME? I'm in the blind here. Thanks, Roland On 04-11-13 13:43, Hugh Williams wrote:

Re: [Virtuoso-users] fct makes ALL graphs public?

t exist at line 1 of Top-Level: DB.DBA.RDF_GRAPH_GROUP_INS ('http://www.openlinksw.com/schemas/virtrdf#PrivateGraphs','http://data.metamatter.nl/test/') I asume this is a predefined group for security purposes (?) that is missing from my install? Can I check this somehow or recreate this group

[Virtuoso-users] fct makes ALL graphs public?

Hi, I have a VOS7 setup where a certain graph is restricted to public access. FCT is installed and search results show information from the restricted graph. Is this a hole in the security model or do I need to config something additionally in FCT? Thanks, Roland

[Virtuoso-users] fct makes ALL graphs public?

Hi, I have a VOS7 setup where a certain graph is restricted to public access. FCT is installed and search results show information from the restricted graph. Is this a hole in the security model or do I need to config something additionally in FCT? Thanks, Roland -- Signature Metamatter

[Virtuoso-users] locked out from conductor functions

ns [1]: DB.DBA.RDF_DEFAULT_USER_PERMS_SET ('nobody', 0); Apparently I broke some privileges for dba user (or http access?). How can I fix this? I do have isql access for dba user! Thanks, Roland [1] http://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtRD

Re: [Virtuoso-users] locked out from conductor functions

Hi Hugh, Thanks for your fast answer Hugh. It is solved now by removing cookies and restarting Firefox ... You are right, it had nothing to do with DB.DBA.RDF_DEFAULT_USER_PERMS_SET() . When I started a new, empty database I ran into the same situation... Thanks, Roland On 01-10-13 04:21

[Virtuoso-users] locked out from conductor functions

ns [1]: DB.DBA.RDF_DEFAULT_USER_PERMS_SET ('nobody', 0); Apparently I broke some privileges for dba user (or http access?). How can I fix this? I do have isql access for dba user! Thanks, Roland [1] http://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtRD

Re: [Virtuoso-users] Trouble setting NumberOfBuffers / MaxDirtyBuffers VOS7

Hi Hugh, Investigating further I noticed the virtual host did _not_ have 16GB but 1GB memory... So my reported problem was because I over-rated memory settings 1600%. Sorry for the disturbance and thank you for your answer again! Thanks, Roland On 17-09-13 15:22, Hugh Williams wrote: Hi

[Virtuoso-users] Trouble setting NumberOfBuffers / MaxDirtyBuffers VOS7

I can tune VOS7 for optimal memory usage? Thanks, Roland -- Signature Metamatter/Roland Cornelissen metamatter*| *Drs. Roland Cornelissen*| *Weersterweg 12*| *9832TE*| *Den Horn*| *T +31 (0)50 5515369*| *M +31 (0)6 14797518*| *www.metamatter.nl <http:/

[Virtuoso-users] Describe not available for an existing resource

://data.metamatter.nl/rce/'); Why is this situation happening? What do I need to do to get the DESCRIBE ? Thanks, Roland -- Introducing Performance Central, a new site from SourceForge and AppDynamics. Performance C

Re: [Virtuoso-users] large load failed

some errors and converted the data to n-triples. If you want to use it I could send you the converted dataset. Thanks, Roland [1] http://viaf.org/viaf/data/viaf-20130417-clusters-rdf.xml.gz On 04/28/2013 01:57 PM, Hugh Williams wrote: Hi Roland, Are any error reported in the "virtuos

Re: [Virtuoso-users] large load failed

kill the process. After killing the process I restore the initial situation, just virtuoso.ini and restart the server that creates a new db. Do I have to restore some more, or better; how can I get it to stop waiting and proceed loading? Thanks, Roland SQL> ld_dir ('/home/roland/D

[Virtuoso-users] large load failed

At what value should I set it? Here [1] it says 1/4 of the database size in pages, 8K per page. So when I calculate with a DB of 50GB that would be 1562500, is that correct? Am I missing something else I should check before kicking of another run? Thanks, Roland [1] http://www.open

Re: [Virtuoso-users] Count & distinct provide different results

much faster! Thanks, Roland On 04/09/2013 05:12 PM, Hugh Williams wrote: Hi Dimitris, http://datalab.informatik.uni-leipzig.de/sparql Is not accessible atm, is it offline for a reason ? Roland: Where you also testing against this VOS D7 instance ? Best Regards Hugh Williams Profess