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

2018-02-08 Thread Roland Cornelissen
Hi, After rebooting a host I am unable to restart VOS, i get this error: /opt/virtuoso/bin/bin/virtuoso-t: error while loading shared libraries: libssl.so.1.0.2: cannot open shared object file: No such file or directory All functioned well before and I believe the required package is installed:

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

2018-02-08 Thread Roland Cornelissen
, 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

2017-10-27 Thread Roland Cornelissen
Hi, I just pulled the latest code from the DEvelop7 branch and get an error when configuring (.autogen.sh) Running autoconf ... ** ERROR **   If this token and others are legitimate, please use m4_pattern_allow.   See the Autoconf documentation. configure.ac:1275: error: possibly undefin

[Virtuoso-users] strbefore (un)available?

2017-10-10 Thread Roland Cornelissen
Hi, I noticed that when using the /sparql interface the function STRBEFORE is available and works as intended. But When I issue the same query through the isql interface I get an error, like this: bin/isql: get_next_token: Unknown macro word " )    BIND(STRBEFORE(?l," at line 124 of Top-Level Do

[Virtuoso-users] VAD file checksum mismatch

2017-10-10 Thread Roland Cornelissen
Hi, I just pulled the latest code of Virtuoso Open Source from github from the development7 branch [1], compiled it and started the server. I get an error for the compiled Conductor VAD when starting the server: 14:06:22 PL LOG: VAD_INSTALL: VAD file checksum mismatch (42VAD) 14:06:22 PL LOG: Er

[Virtuoso-users] graph group access

2017-06-21 Thread Roland Cornelissen
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 [1] DB.DBA.RDF_GRAPH_GROUP_C

[Virtuoso-users] Conductor behind ssl?

2017-05-02 Thread Roland Cornelissen
Hi How can I provide HTTPS access to Conductor, and remove HTTP access to Conductor? I have followed procedure as specified in [1] and configured an HTTPS listener that makes contact on port 4433. But the page displayed says: The requested active content cannot be displayed due to executi

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

2017-01-26 Thread Roland Cornelissen
/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

2017-01-26 Thread Roland Cornelissen
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

2017-01-26 Thread Roland Cornelissen
-- http://twitter.com/OpenLink > Google+ -- http://plus.google.com/100570109519069333827/ > Facebook -- http://www.facebook.com/OpenLinkSoftware > Universal Data Access, Integration, and Management Technology Providers > > > >> On 24 Jan 2017, at 17:22, Roland Cornelissen

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

2017-01-24 Thread Roland Cornelissen
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'); rdf_loader_run(); Now when I query the data I don't get it any results through the sparql interface when I phrase the query like this <

[Virtuoso-users] Memory allocation

2016-12-09 Thread Roland Cornelissen
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

2016-11-08 Thread Roland Cornelissen
-- http://www.linkedin.com/company/openlink-software/ > Twitter -- http://twitter.com/OpenLink > Google+ -- http://plus.google.com/100570109519069333827/ > Facebook -- http://www.facebook.com/OpenLinkSoftware > Universal Data Access, Integration, and Management Technology Providers >

[Virtuoso-users] increase group_concat size

2016-11-07 Thread Roland Cornelissen
Him Is it possible to (temporarily) increase the maximum GROUP_CONCAT size? Someting like this: |SETSESSION group_concat_max_len =100;| I run into this error when using GROUP_CONCAT: *** Error 22023: [Virtuoso Driver][Virtuoso Server]SR578: The expected result length of string concatena

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

2016-03-28 Thread Roland Cornelissen
e.com/100570109519069333827/ > Facebook -- http://www.facebook.com/OpenLinkSoftware > Universal Data Access, Integration, and Management Technology Providers > > > >> On 28 Mar 2016, at 20:20, Roland Cornelissen wrote: >> >> Hi, >> >> Our VOS instance cra

[Virtuoso-users] Virtuoso crashed with segmentation fault

2016-03-28 Thread Roland Cornelissen
Hi, Our VOS instance crashed with a segmentation fault and cann't be started again. Below the logmesaage when it is restarted and crashes. Before we start the recovery procedure as is described in [1], paragraph '6.1.5.4.3. Crash Recovery When The Normal Crash Recovery Fails' is there any other

[Virtuoso-users] date formatting

2015-10-13 Thread Roland Cornelissen
Hi, I have a date in my dataset of the datatype xsd:gYear which is preceded by the property dcterms:date. I noticed that when I ask a describe in the SPARQL interface and have the results printed as a pretty table the date is formatted as xsd:date, not as xsd:gYear. [1] But when I get the tripl

[Virtuoso-users] Weird caching (?) issue

2015-07-29 Thread Roland Cornelissen
Hi, I have a dataset (from Europeana) containing links to Geonames resources where some links produce a 404 error. I remove such links when run into by SPARQL through ISQL [1], followed by a describe command through the webinterface to check if that worked. The describe turns out empty so I con

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

2014-09-09 Thread Roland Cornelissen
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

2014-04-08 Thread Roland Cornelissen
nkedin.com/company/openlink-software/ > Twitter -- http://twitter.com/OpenLink > Google+ -- http://plus.google.com/100570109519069333827/ > Facebook -- http://www.facebook.com/OpenLinkSoftware > Universal Data Access, Integration, and Management Technology Providers > > On 14 Feb

[Virtuoso-users] queries and CPU

2014-02-19 Thread Roland Cornelissen
Hi, I have a question about the usage of CPU cores when querying a large graph: Is it possible to assign _all_ available cores to a SPARQL query? I noticed that when loading a large dataset all available cores in CPU are used. When a SPARQL query is issued on this dataset not all but only 1 core i

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

2014-02-14 Thread Roland Cornelissen
Hi, I have a VOS7 store with data containing links to nl.dbpedia.org. These links are imported as ntriples, like this: Please note the 'unescaped' ó in Aarón in the dbpedia

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

2014-02-07 Thread Roland Cornelissen
gs/ > LinkedIn -- http://www.linkedin.com/company/openlink-software/ > Twitter -- http://twitter.com/OpenLink > Google+ -- http://plus.google.com/100570109519069333827/ > Facebook -- http://www.facebook.com/OpenLinkSoftware > Universal Data Access, Integration, and Management Techno

[Virtuoso-users] deleting large graph > crash vos7

2014-02-07 Thread Roland Cornelissen
Hi, I try to delete a larger graph (300M triples) on my VOS7 store (07.00.3203-pthreads for Linux, Database version 3126) but VOS crashes on a memory problem. I down scaled memory assignment in virtuoso.ini to 12GB (the box has 16 GB, previously 14 GB was assigned) in virtuoso.ini ; 12 GB NumberOfB

[Virtuoso-users] fct makes ALL graphs public?

2013-11-20 Thread Roland Cornelissen
/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://www.metamatter.nl> -- Shape the Mobile Expe

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

2013-11-04 Thread Roland Cornelissen
9519069333827/ Facebook -- http://www.facebook.com/OpenLinkSoftware Universal Data Access, Integration, and Management Technology Providers On 29 Oct 2013, at 18:46, Roland Cornelissen <mailto:metamatter...@gmail.com>> wrote: Thanks Kingsley for the extensive answer. I spelled every word of it but di

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

2013-10-29 Thread Roland Cornelissen
? Thanks, Roland [1] http://www.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtRDFGraphsSecurity On 28-10-13 22:12, Kingsley Idehen wrote: On 10/28/13 4:07 PM, Roland Cornelissen wrote: Hi, I have a VOS7 setup where a certain graph is restricted to public access. FCT is installed and

[Virtuoso-users] fct makes ALL graphs public?

2013-10-28 Thread Roland Cornelissen
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?

2013-10-28 Thread Roland Cornelissen
/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://www.metamatter.nl> -- October Webinars: Co

[Virtuoso-users] locked out from conductor functions

2013-10-10 Thread Roland Cornelissen
Hi, I can login into my VOS7/conductor but that's all, any option I choose gives me a 403 (Prohibited). Earlier I was experimenting with Graph Security and issued the following command to set specific privileges to given graphs for specific users, following instructions [1]: DB.DBA.RDF_DEFAULT

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

2013-10-01 Thread Roland Cornelissen
twitter.com/OpenLink Google+ -- http://plus.google.com/100570109519069333827/ Facebook -- http://www.facebook.com/OpenLinkSoftware Universal Data Access, Integration, and Management Technology Providers On 30 Sep 2013, at 19:16, Roland Cornelissen <mailto:metamatter...@gmail.com>> wrote:

[Virtuoso-users] locked out from conductor functions

2013-09-30 Thread Roland Cornelissen
Hi, I can login into my VOS7/conductor but that's all, any option I choose gives me a 403 (Prohibited). Earlier I was experimenting with Graph Security and issued the following command to set specific privileges to given graphs for specific users, following instructions [1]: DB.DBA.RDF_DEFAULT

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

2013-09-17 Thread Roland Cornelissen
-software/ Twitter -- http://twitter.com/OpenLink Google+ -- http://plus.google.com/100570109519069333827/ Facebook -- http://www.facebook.com/OpenLinkSoftware Universal Data Access, Integration, and Management Technology Providers On 16 Sep 2013, at 21:25, Roland Cornelissen <mailto:metamat

[Virtuoso-users] Trouble setting NumberOfBuffers / MaxDirtyBuffers VOS7

2013-09-16 Thread Roland Cornelissen
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

2013-08-23 Thread Roland Cornelissen
Hi, I have some triples in VOS7 that are all presented by this query: select * { ?p ?o} Now when i do a DESCRIBE i get empty Turtle, against my expectations. I loaded the triples with this command: ttlp_mt (file_to_string_output ('/opt/data/rce/dbnl.nt'), '', 'http://data.metamatter.nl/rce/');

[Virtuoso-users] large load failed

2013-04-22 Thread Roland Cornelissen
Hi, I am trying to load a large dataset (~50GB) and bumped into: *** Error 40001: [Virtuoso Driver][Virtuoso Server]SR325: Transaction aborted due to a database checkpoint or database-wide atomic operation. Please retry transaction at line 10 of Top-Level: ttlp_mt (file_to_string_output ('/usr/