Re: [Virtuoso-users] Running Virtuoso in 200M of RAM?

2012-02-25 Thread Hugh Williams
the Conductor, whose behaviour will be change to similarly turn of transactions when performing such operations in the next release ... Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ 10 Burlington Mall Road, Suite 265, Burlington

Re: [Virtuoso-users] Insertion w/ explicit datatypes

2012-02-24 Thread Hugh Williams
^^http://www.w3.org/2001/XMLSchema#string subject predicate string^^http://www.w3.org/2001/XMLSchema#String I shall seek clarification from development on why this is the case ... Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http

Re: [Virtuoso-users] Undefined procedure DB.DBA.isgeometry

2012-02-23 Thread Hugh Williams
of the live DBpedia instance you can instantiate in the cloud in minutes as detailed at: http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtAWSDBpedia351C Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ 10

Re: [Virtuoso-users] Running Virtuoso in 200M of RAM?

2012-02-23 Thread Hugh Williams
foot print then reduces memory consumption to about 120MB. So you should be able to get it to run within 200MB ... Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ 10 Burlington Mall Road, Suite 265, Burlington MA 01803 Weblog

Re: [Virtuoso-users] Strange error sparql 6.1.3 to 6.1.4

2012-02-22 Thread Hugh Williams
Hi Peter, Note we are looking into this and will provide an update soon ... Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ 10 Burlington Mall Road, Suite 265, Burlington MA 01803 Weblog -- http://www.openlinksw.com/blogs

Re: [Virtuoso-users] (no subject)

2012-02-20 Thread Hugh Williams
if the problem persists. You can download the source for compilation from: http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VOSDownload Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ 10 Burlington Mall

Re: [Virtuoso-users] Default Configuration always loaded

2012-02-18 Thread Hugh Williams
Hi Sherif, Were is the virtuoso.ini file you are editing located and is it in the same location as the registered Windows Virtuoso Server. If they are in the same location then perhaps you do not have privileges to write to the virtuoso.ini file . Best Regards Hugh Williams Professional

Re: [Virtuoso-users] overriding the server timeout

2012-02-17 Thread Hugh Williams
in the ConnectString ? Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ 10 Burlington Mall Road, Suite 265, Burlington MA 01803 Weblog -- http://www.openlinksw.com/blogs/ LinkedIn -- http://www.linkedin.com/company/openlink

Re: [Virtuoso-users] Best way to import large RDF files into Virtuoso?

2012-02-16 Thread Hugh Williams
Hi Peter, The Virtuoso RDF Bulk Loader functions detailed in the following documentation link are what you should use: http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtBulkRDFLoader Some of the DBpedia datasets we load with it are 2.5GB+ in size ... Best Regards Hugh

Re: [Virtuoso-users] Renaming a big graph

2012-02-08 Thread Hugh Williams
Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ 10 Burlington Mall Road, Suite 265, Burlington MA 01803 Weblog -- http://www.openlinksw.com/blogs/ LinkedIn -- http://www.linkedin.com/company/openlink-software/ Twitter -- http

Re: [Virtuoso-users] Problem Virtuoso Bulk Loader

2012-02-02 Thread Hugh Williams
location. If you have installed on of these prebuilt Linux distro’s from the vendor then the binary will be called “isql-v” by default in /usr/sbin as there is already a component shipped called “isql” which precedes it ? Best Regards Hugh Williams Professional Services OpenLink Software, Inc

Re: [Virtuoso-users] connecting with java application...

2012-01-31 Thread Hugh Williams
method ... Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ 10 Burlington Mall Road, Suite 265, Burlington MA 01803 Weblog -- http://www.openlinksw.com/blogs/ LinkedIn -- http://www.linkedin.com/company/openlink-software

Re: [Virtuoso-users] problem installing virtuoso open-source 6.1.3 prebuilt binaries on windows 7

2012-01-30 Thread Hugh Williams
make things clearer. As a general not always check the “virtuoso.log” file in the “database” directory of your Virtuoso installation to ensure the database server has started and is online, if not an error/reason should be given for the failure to start ... Best Regards Hugh Williams

Re: [Virtuoso-users] Renaming a big graph

2012-01-24 Thread Hugh Williams
set in memory. What is the Virtuoso version being used, which can be determined by running the command: virtuoso-t -? Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ 10 Burlington Mall Road, Suite 265, Burlington MA

Re: [Virtuoso-users] Rewrite Sparql endpoint

2012-01-24 Thread Hugh Williams
/uriqa.html#uriqaws If disabled ie DynamicLocal = 0” , which is the default setting, thus should prevent the Dynamic translation of the hostname part of an IRI via the SPARQL endpoint and other HTTP interfaces ... Best Regards Hugh Williams Professional Services OpenLink Software, Inc

Re: [Virtuoso-users] Renaming a big graph

2012-01-23 Thread Hugh Williams
/VirtTipsAndTricksGuideRenameGraph Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ 10 Burlington Mall Road, Suite 265, Burlington MA 01803 Weblog -- http://www.openlinksw.com/blogs/ LinkedIn -- http://www.linkedin.com/company

Re: [Virtuoso-users] Multiple instances - One SPARQL endpoint

2012-01-12 Thread Hugh Williams
? Note Virtuoso is a Quad rather than Triple store and thus can host multiple Graphs in the same instance and can use graph groups/security and/or WebID to control access to specific graphs or groups of graphs in the Quad store if necessary. Best Regards Hugh Williams Professional Services OpenLink

Re: [Virtuoso-users] MODIFY statement doesn't work properly

2012-01-12 Thread Hugh Williams
6.1.3 build still ? Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ 10 Burlington Mall Road, Suite 265, Burlington MA 01803 Weblog -- http://www.openlinksw.com/blogs/ LinkedIn -- http://www.linkedin.com/company/openlink

Re: [Virtuoso-users] sparul enabled only for a concrete network

2012-01-11 Thread Hugh Williams
and would be the recommended method for enabling SPARUL access, which you can choose to expose externally or not but either way provides controlled access ... Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ 10 Burlington Mall Road

Re: [Virtuoso-users] MODIFY statement doesn't work properly

2012-01-11 Thread Hugh Williams
Hi Percy, In what way does it now work as the query itself runs on my machine but doesn’t modify anything as I don’t have such data, so are you getting and error or unexpected results are occurring ? Please provide some output of what you are seeing as not working ? Best Regards Hugh Williams

Re: [Virtuoso-users] server startup failure after crash

2012-01-10 Thread Hugh Williams
the open source Virtuoso 6.1.3 release and would recommend upgrading to the latest 6.1.4 release available on source forge ... Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ 10 Burlington Mall Road, Suite 265, Burlington MA

Re: [Virtuoso-users] GROUP_CONCAT in VOS 6.1.3

2012-01-03 Thread Hugh Williams
to the latest release, as the only other option would be for you to attempt a back port which would probably be more work ... Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ 10 Burlington Mall Road, Suite 265, Burlington MA

Re: [Virtuoso-users] OWL in Virtuoso

2011-12-23 Thread Hugh Williams
/VirtRDFInsert Once loaded you can then query the created graph or create rule set etc for inference and reasoning as detailed at: http://docs.openlinksw.com/virtuoso/rdfsparqlrule.html as I assume you would next want to do ... Best Regards Hugh Williams Professional Services OpenLink

Re: [Virtuoso-users] server startup failure after crash

2011-12-09 Thread Hugh Williams
to recover a corrupt database: http://docs.openlinksw.com/virtuoso/databaseadmsrv.html#backup Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ 10 Burlington Mall Road, Suite 265, Burlington MA 01803 Weblog -- http

Re: [Virtuoso-users] Which version of Jena goes with VOS's Jena Provider?

2011-12-07 Thread Hugh Williams
to get the example program provided in the documentation above to work at least to we have a common reference to compare with ? Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ 10 Burlington Mall Road, Suite 265, Burlington MA

Re: [Virtuoso-users] RDFZZ Error DB.DBA.SPARQL_REXEC returned unsupported Content-Type 'application/sparql-results+xml'

2011-12-01 Thread Hugh Williams
. I would recommend you upgrade to the latest 6.1.4 open source release available from: http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VOSDownload Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http

Re: [Virtuoso-users] file_to_string and dba privileges

2011-11-28 Thread Hugh Williams
Hi You can wrap the function(s) that require DBA privileges in Virtuoso into a store procedure which is then granted DBA privileges to allow it to run with such privileges but can be called by a none DBA user ... Best Regards Hugh Williams Professional Services OpenLink Software Web: http

Re: [Virtuoso-users] Rewrite Sparql endpoint

2011-11-18 Thread Hugh Williams
://docs.openlinksw.com/virtuoso/fn_urlrewrite_create_regex_rule.html#ex_urlrewrite_create_regex_rule I hope this resolves the problem for you ... Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http

Re: [Virtuoso-users] Virtuoso Jena Provider and ARQ keywords

2011-11-12 Thread Hugh Williams
not support in Virtuoso. The SPARQL 1.1 standard provides an equivalent called “BIND” it appears which is not currently supported in Virtuoso but is scheduled for the next release. Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http

Re: [Virtuoso-users] Exception Violating unique index RDF_QUAD_POGS

2011-11-11 Thread Hugh Williams
Hi Roberto, Yes, you can remove these as there is nothing to commit ... Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink

Re: [Virtuoso-users] VOS 6.2 release ? VOS 6.1.3 backport for Debian Squeeze

2011-10-21 Thread Hugh Williams
the current latest 6.1.3 in this format: http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VOSBuild#Specific%20Linux%20Distributions Note open source 6.1.4 is due for release any day now also … Best Regards Hugh Williams Professional Services OpenLink Software Web: http

Re: [Virtuoso-users] viewing components of a soap_client call

2011-10-18 Thread Hugh Williams
is not sufficient ? Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 18 Oct 2011, at 02:15, Peter Secomb wrote: Hi everyone, I have

Re: [Virtuoso-users] How to remove few or all triples from a graph?

2011-10-06 Thread Hugh Williams
://docs.openlinksw.com/virtuoso/sparqlextensions.html#rdfsparulexamples10 The conductor should not be used for deleting large graphs at this point which is a known issue and scheduled to be fixed in the next release. Best Regards Hugh Williams Professional Services OpenLink Software Web: http

Re: [Virtuoso-users] Missing Procedure DB.DBA.RDF_LOAD_RDFXML and custom select output

2011-09-26 Thread Hugh Williams
Peter, On 26 Sep 2011, at 07:53, Peter Secomb wrote: Hi everyone, When I run a sparql query eg: sparql select %s from http://mygraph where { %s %p %o} the information returned for %s looks like: http://my_host_server/about/id/mygraph/ Is it possible to return a specified tag

Re: [Virtuoso-users] Problems materialising data using rdb2rdf trigger option within rdf views

2011-09-25 Thread Hugh Williams
Hi Mark, Is the table you are attempting to materialise as RDF triples a local or remote table ? The functions you reference below do seem to be undefined, I am trying to determine why they are not part of the current builds ... Best Regards Hugh Williams Professional Services OpenLink

Re: [Virtuoso-users] How to use sql log_enable() function

2011-09-20 Thread Hugh Williams
Hi Hoan, You can set the option on a pre query level using the SPARQL DEFINE sql:log-enable X pragma as detailed at: http://docs.openlinksw.com/virtuoso/rdfsparql.html#rdfsparqlimplementatioptragmasmnotes Best Regards Hugh Williams Professional Services OpenLink Software Web: http

Re: [Virtuoso-users] Loading uniprot

2011-09-10 Thread Hugh Williams
=rdf_loader_run(); isql dba dba exec=rdf_loader_run(); wait isql dba dba exec=checkpoint;” isql dba dba exec=checkpoint_interval(120); Let me know if this works for you ... Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support

Re: [Virtuoso-users] Virtuoso 6.1.3 on FreeBSD-9: conductor does not work

2011-09-02 Thread Hugh Williams
build from your local compilation on FreeBSD ... Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 1 Sep 2011, at 17:15, Mathias

Re: [Virtuoso-users] DB.DBA.TTLP_MT_LOCAL_FILE error

2011-08-30 Thread Hugh Williams
Hi Percy, Try add specifying the partial location as “./dbpedia/foaf/file1.ttl” ie prepend with “./“ to force it to check the current directory if “.” is not already in your PATH environment variable Best Regards Hugh Williams Professional Services OpenLink Software Web: http

Re: [Virtuoso-users] Detected stale lock

2011-08-25 Thread Hugh Williams
( the mailing list you have posted to :)), as these start scripts are not part of the open source archives, only being available in with the commercial installers. Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums

Re: [Virtuoso-users] dump_graphs() error

2011-08-23 Thread Hugh Williams
Hi Greg, Was the data reloaded using this updated 6.1.3 binary or was the existing database file used ie that was loaded with the 6.1.2 binary ? As I would suggest reloading the data into a new empty database using the 6.1.3 binary, then try to dump the graphs. Best Regards Hugh Williams

Re: [Virtuoso-users] dump_graphs() error

2011-08-23 Thread Hugh Williams
://docs.openlinksw.com/virtuoso/databaseadmsrv.html#vdbrecovery) into a 6.1.3 database may be performed, after which the rdf dump_graphs() can be attempted to see if this now works Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http

Re: [Virtuoso-users] dump_graphs() error

2011-08-21 Thread Hugh Williams
Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 20 Aug 2011, at 21:38, Gregory Williams wrote: I've been trying to use

Re: [Virtuoso-users] dump_graphs() error

2011-08-21 Thread Hugh Williams
6.1.3 snapshot can be downloaded from: ftp://download.openlinksw.com/support/vos/virtuoso-opensource-6-20110614.tar.gz Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http

Re: [Virtuoso-users] Internal error: quad storage metadata are lost

2011-08-21 Thread Hugh Williams
suggest you try starting with a new empty database and run the federated query to see if the error still occurs. Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support

Re: [Virtuoso-users] Virtuoso-Jena provider problem

2011-08-18 Thread Hugh Williams
commands: virtuoso-t -? java -jar virt_jena.jar java -jar virtjdbc3.jar Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 18

Re: [Virtuoso-users] Virtuoso-Jena provider problem

2011-08-18 Thread Hugh Williams
version, which is available from http://download.openlinksw.com/virtwiz and is a free upgrade ... Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http

Re: [Virtuoso-users] Virtuoso ADO.Net provider stopped working with strange TypeLoadException error?

2011-08-16 Thread Hugh Williams
on matter ? Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 16 Aug 2011, at 15:54, Rob Vesse wrote: Hi all I've encountered

Re: [Virtuoso-users] max length of temp row error

2011-08-05 Thread Hugh Williams
and the sparql_to_sql_text() function output to enable some for of analysis to be performed: http://docs.openlinksw.com/virtuoso/fn_explain.html http://docs.openlinksw.com/virtuoso/fn_sparql_to_sql_text.html Best Regards Hugh Williams Professional Services OpenLink Software Web: http

Re: [Virtuoso-users] How to delete all triples from a named graph / for a given subject?

2011-08-05 Thread Hugh Williams
Hi Andreas, Please provide details of the Virtuoso version being used (virtuoso-t -?), and also a simple test case showing the steps to reproduce the problem you are seeing, so we can attempt recreation locally ... Best Regards Hugh Williams Professional Services OpenLink Software Web: http

Re: [Virtuoso-users] Configuring new user

2011-08-04 Thread Hugh Williams
/date 1998-05-03T00:00:00 http://www.w3.org/People/Connolly/#me http://purl.org/dc/elements/1.1/date 2001-02-08T00:00:00 Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com

Re: [Virtuoso-users] max length of temp row error

2011-08-04 Thread Hugh Williams
this. Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 4 Aug 2011, at 15:54, DENG Nan wrote: Hi, I run a select query and I get

Re: [Virtuoso-users] How can I delete or reconfigure the timeout?

2011-08-03 Thread Hugh Williams
partial results as detailed at: http://docs.openlinksw.com/virtuoso/anytimequeries.html Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http

Re: [Virtuoso-users] Configuring new user

2011-08-03 Thread Hugh Williams
', 'Anna', 3) SQL DB.DBA.RDF_DEFAULT_USER_PERMS_SET ('nobody', 0); Done. -- 386 msec. SQL DB.DBA.RDF_GRAPH_USER_PERMS_SET ('http://example.com', 'Anna', 3); Done. -- 251 msec. SQL Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http

Re: [Virtuoso-users] Subquery and SAMPLE keyword (SPARQL 1.1)

2011-08-02 Thread Hugh Williams
to the current 6.1.3 available on source forge, as this support was added recently. A snapshot build containing this support can be obtained from: ftp://download.openlinksw.com/support/vos/virtuoso-opensource-6-20110614.tar.gz which you can rebuild and test with ... Best Regards Hugh Williams

Re: [Virtuoso-users] Virtuoso full text search for plural

2011-08-01 Thread Hugh Williams
Hi Priyam, Virtuoso does not have specific support for plurals, will check with development if there is an alternative way this can be done. Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http

Re: [Virtuoso-users] Build in sparql end point service

2011-07-25 Thread Hugh Williams
/VirtTipsAndTricksSPARQLCondPort Details on customising the Virtuoso SPARQL endpoint can also be found in the following documentation: http://docs.openlinksw.com/virtuoso/rdfsparql.html#rdfsparqlprotocolendpoint I hope this is what you are looking for ... Best Regards Hugh Williams Professional Services

Re: [Virtuoso-users] SPARQL Construct with optionals behavior in Virtuoso

2011-07-15 Thread Hugh Williams
the Virtuoso version and build data of the binary being used by running the command: $ virtuoso-t -? Virtuoso Open Source Edition (multi threaded) Version 6.1.3.3127-pthreads as of May 29 2011 Compiled for Darwin (i386-apple-darwin10.6.0) Copyright (C) 1998-2011 OpenLink Software Best Regards Hugh

Re: [Virtuoso-users] Inserting litterals

2011-07-15 Thread Hugh Williams
. SQL Where is the version of the Virtuoso server being run ? virtuoso-iodbc-t -? or virtuoso-t -? Are you running this on your Virtuoso EC2 AMI instance ? Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http

Re: [Virtuoso-users] Inserting litterals

2011-07-15 Thread Hugh Williams
Hi Alexandre, Looks like it. Note we provide documentation on upgrading the Ubuntu (and other) Linux distro’s Virtuoso binaries to the latest 6.1.3 open source builds at: http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VOSUbuntuNotes Best Regards Hugh Williams Professional

Re: [Virtuoso-users] Increase number connection to virtuoso?

2011-07-13 Thread Hugh Williams
which should record such errors. Also provide the virtuoso.ini file, where the “ServerThreads” parameter in the “[Parameters]” and “[HTTP]” sections of the file control the number of threads available for SQL and HTTP (allocated on startup) respectively. Best Regards Hugh Williams Professional

Re: [Virtuoso-users] use of grab- pragmas

2011-07-03 Thread Hugh Williams
Hi Tatiana, What datasets to you have loaded locally when encountering these issues , is it possible to provide sample datasets and queries we can load locally to recreate these issues ? Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support

Re: [Virtuoso-users] Virtuoso RDFXX Error Unknown language

2011-07-03 Thread Hugh Williams
the best course of action would be to start from scratch and reload the datasets into a fresh empty database. Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support

Re: [Virtuoso-users] use of grab- pragmas

2011-06-29 Thread Hugh Williams
/wiki/Main/VOSBuild#Specific%20Linux%20Distributions There are a number of fixes in 6.1.3 for sponger pragmas and crawlers as well as SPARQL-FED support you would benefit from and may resolve these issues you are having ... Best Regards Hugh Williams Professional Services OpenLink Software Web

Re: [Virtuoso-users] Bulk dataset uploading performance

2011-06-26 Thread Hugh Williams
in parallel ( one for each core). Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 26 Jun 2011, at 17:00, Alexander Sidorov wrote

Re: [Virtuoso-users] Virtuoso Server Hardware Suggestions

2011-06-24 Thread Hugh Williams
with SSD’s. Although for future growth, assuming the datasets are likely to grow over time a server with more memory capacity might be worth considering ? Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com

Re: [Virtuoso-users] Building Virtuoso on a Mac

2011-06-24 Thread Hugh Williams
Hi Herman, Details on building Virtuoso open source on Mac OS 10.6.x and other OS’es is available at: http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VOSMake The “README” file in the root of the open source archive also contains this information. Best Regards Hugh

Re: [Virtuoso-users] Mapping two table into one quad storage?

2011-06-21 Thread Hugh Williams
#rdfviewconfiguringrdfstorages http://www.openlinksw.co.uk/virtuoso/Whitepapers/html/rdf_views/virtuoso_rdf_views_example.html Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support

Re: [Virtuoso-users] Query to return all graphs defined in a virtuoso instance

2011-06-15 Thread Hugh Williams
Hi Carlos, See the following tip on how to obtain a list of graphs in a Virtuoso server instance: http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtTipsAndTricksGuideAllGraphs I hope this is what you are looking for ... Best Regards Hugh Williams Professional Services

Re: [Virtuoso-users] bif:contains - using a string variable as search term

2011-06-13 Thread Hugh Williams
{ ?prog dc:created ?created. } )) LIMIT 1 should be the fastest. Note FROM graph and an implicit hint to the optimizer that ?created can be calculated later and does not affect filtering (i.e. the presence of ?created is not essential). Best Regards Hugh Williams Professional Services OpenLink

Re: [Virtuoso-users] Clear graph

2011-06-11 Thread Hugh Williams
the database assuming you only have data in the Quad store would be to dump all graphs and reload into and empty database as detailed at: http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtDumpLoadRdfGraphs Best Regards Hugh Williams Professional Services OpenLink Software Web

Re: [Virtuoso-users] bif:contains - using a string variable as search term

2011-06-10 Thread Hugh Williams
are: NumberOfBuffers = 34 MaxDirtyBuffers = 25 Please confirm ... Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http

Re: [Virtuoso-users] RDF geo queries in open source edition

2011-06-10 Thread Hugh Williams
://virtuoso.openlinksw.com/features-comparison-matrix/ The commercial product can is available for a free evaluation period from : http://download.openlinksw.com/virtwiz Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http

Re: [Virtuoso-users] Clear graph

2011-06-10 Thread Hugh Williams
even deleted the triples directly from the RDF_QUAD table with : log_enable(3,1); delete from rdf_quad where g = iri_to_id (‘graph-name’); Let me know if this works for you ... Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support

Re: [Virtuoso-users] Clear graph

2011-06-09 Thread Hugh Williams
://docs.openlinksw.com/virtuoso/fn_vacuum.html Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 9 Jun 2011, at 16:39, Alexander

Re: [Virtuoso-users] SPARQL service keyword

2011-06-05 Thread Hugh Williams
; Then the SPARQL-FED queries should start to work ... Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 4 Jun 2011, at 14:45, Robbet

Re: [Virtuoso-users] RDF - how to interact with other triple stores?

2011-05-30 Thread Hugh Williams
Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 30 May 2011, at 15:34, Robbet wrote: Hi Hugh, i installed the ADO.net client

Re: [Virtuoso-users] RDF - how to interact with other triple stores?

2011-05-29 Thread Hugh Williams
directly upload N3 files using the Virtuoso TTLP_MT [1] function or its sister function RDF_LOAD_RDFXML_MT [2] for RDF/XML datasets, once again either at runtime or as part of some scheduled batch script to load new data. Best Regards Hugh Williams Professional Services OpenLink Software Web

Re: [Virtuoso-users] Virtuoso sparql endpoint - setup for external access

2011-05-25 Thread Hugh Williams
account on ADSL modem, told it to map anything that comes in on port 80 to my local Linux box hosting Virtuoso on port 80 or whatever port it was running on ... Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com

Re: [Virtuoso-users] process terminated prematurely after opening the database

2011-05-17 Thread Hugh Williams
and/or to see if this problem persists with the latest builds ... Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink [1] http

Re: [Virtuoso-users] DateTime literal timezone handling

2011-05-16 Thread Hugh Williams
Hi Timo, No ETA yet, I shall seek one from development ... Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 13 May 2011

Re: [Virtuoso-users] Sorting key too long

2011-05-16 Thread Hugh Williams
a fix ... Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 16 May 2011, at 19:55, Jonas Brekle wrote: There should be 1873

Re: [Virtuoso-users] Sorting key too long

2011-05-11 Thread Hugh Williams
in order by key, exceeds 1900 bytes. at line 2 of Top-Level: sparql select * from http://localhost:8862/lod2.ttl where {?s ?p ?o } ORDER BY ?s ?p ?o SQL so curious as to how this is being run in OntoWiki via ODBC ? Best Regards Hugh Williams Professional Services OpenLink Software Web: http

Re: [Virtuoso-users] Problems loading large .ttl file

2011-05-10 Thread Hugh Williams
/VirtDumpLoadRdfGraphs Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 9 May 2011, at 20:23, Peter DeVries wrote: Sorry I should have been

Re: [Virtuoso-users] Inference performance

2011-05-10 Thread Hugh Williams
attempt a recreation in-house. Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 9 May 2011, at 23:56, Roberto García wrote

Re: [Virtuoso-users] DateTime literal timezone handling

2011-05-07 Thread Hugh Williams
Hi Timo, This is logged on our internal bugzilla system which external users do not have access to ... Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter

Re: [Virtuoso-users] Accessing SPARQL result sets via JDBC

2011-05-06 Thread Hugh Williams
Hi Timo, Yes you can access SPARQL results sets via the JDBC driver using the ExtendedString etc method as detailed in section 7.4.3.5. Extension datatype for RDF” of the online documentation at: http://docs.openlinksw.com/virtuoso/VirtuosoDriverJDBC.html Best Regards Hugh Williams

Re: [Virtuoso-users] DateTime literal timezone handling

2011-05-06 Thread Hugh Williams
Hi Timo, This problem and been recreated and reported to development for resolution ... Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http

Re: [Virtuoso-users] RDF - how to interact with other triple stores?

2011-05-06 Thread Hugh Williams
on Mac OS X mounting my Virtuoso WebDAV folder in the Finder and copying RDF data files into it ? Also, what version virtuoso (virtuoso-t - ?) are you running and what is the WebDAV client you are using to copy files in with ? Best Regards Hugh Williams Professional Services OpenLink Software Web

Re: [Virtuoso-users] RDF - how to interact with other triple stores?

2011-05-05 Thread Hugh Williams
Hi Robbet, What exactly is the method or query being run that is not allowing the the querying of the remote graph, and what if any errors are reported ? Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com

Re: [Virtuoso-users] Primary key not found in delete error cause

2011-05-03 Thread Hugh Williams
Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 2 May 2011, at 08:14, Bharath V wrote: Hi, I am using the below code snippet to load

Re: [Virtuoso-users] RDF - how to interact with other triple stores?

2011-05-03 Thread Hugh Williams
] is a demonstration site that can should this in action. SPARQL-FED can also be used to query remote SPARQL end points at detailed at [3]. Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http

Re: [Virtuoso-users] Primary key not found in delete error cause

2011-05-03 Thread Hugh Williams
can use gdb to create a stacktrace to determine the cause if nothing is being written to the log. Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http

Re: [Virtuoso-users] Backing-up Virtuoso

2011-05-03 Thread Hugh Williams
at: http://docs.openlinksw.com/virtuoso/fn_backup_online.html Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 3 May 2011, at 00:30

Re: [Virtuoso-users] Hibernate virtuoso?

2011-04-25 Thread Hugh Williams
%20running%20the%20example which work for me with the leatest Virtuoso 6.2 components against hibernate 3.3: $ which ant /usr/bin/ant hugh-williams-computer-3932:ex1 hughwilliams$ ant run Buildfile: /Users/hughwilliams/hibernate/ex1/build.xml clean: [delete] Deleting directory /Users

Re: [Virtuoso-users] DB.DBA.RDF_LOAD_RDFXML error

2011-04-22 Thread Hugh Williams
://docs.openlinksw.com/virtuoso/fn_rdf_load_rdfxml_mt.html If you have multiple large datasets to load you should use the Virtuoso Bulk loader scripts as detailed at: http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtBulkRDFLoader Best Regards Hugh Williams Professional Services

Re: [Virtuoso-users] query via sesame API throws Exception

2011-04-20 Thread Hugh Williams
Hi Florian, Can you provide some sample code we can review or compile/run to test locally ? Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http

Re: [Virtuoso-users] query via sesame API throws Exception

2011-04-19 Thread Hugh Williams
as detailed at: http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtSesame2HttpRepository Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter

Re: [Virtuoso-users] Built-in Protection against SQL / SPARQL Injections.

2011-04-18 Thread Hugh Williams
://docs.openlinksw.com/virtuoso/databaseadmsrv.html#ini_SPARQL Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 18 Apr 2011, at 03:09

Re: [Virtuoso-users] Implementing a simple ACL atop a SPARQL endpoint

2011-04-14 Thread Hugh Williams
#rdfsparqlprotocolendpoint Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 14 Apr 2011, at 04:57, Aldo Bucchi wrote: Hi

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