[Virtuoso-users] DIG/OWLlink support

Does Virtuoso support DIG or OWLlink for integration with other reasoners? If not, are there any plans on it?

[Virtuoso-users] Versioning support

Hello! Does Virtuoso RDF-store support versioning? Regards, Alexander

[Virtuoso-users] Semantic search

Hello! Does Virtuoso have any semantic search implementation based on RDF-store? Regards, Alexander

Re: [Virtuoso-users] Semantic search

: http://twitter.com/OpenLink On 2 Jan 2010, at 16:36, Alexander Sidorov wrote: Hello! Does Virtuoso have any semantic search implementation based on RDF-store? Regards, Alexander -- This SF.Net email

Re: [Virtuoso-users] Entity Framework provider

: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 5 Jan 2010, at 12:55, Alexander Sidorov wrote: Hi High, Thank you for dotnetRDF link: I didn't know about this framework before. I have also found one more .NET framework with Virtuoso support - LINQ2RDF. Now I'm

[Virtuoso-users] EF4 support

Hello! What are your plans about EF4 support? Regards, Alexander

[Virtuoso-users] EF-provider

Hello! OpenLink EF provider is great in that it can be used with almost any relational database. But unfortunately it doesn't work without Virtuoso. It would be great to move the database independence mechanism from Virtuoso to the provider itself. I have no idea how difficult it is to

Re: [Virtuoso-users] Semantic search

://twitter.com/OpenLink On 2 Jan 2010, at 22:44, Alexander Sidorov wrote: Hi, Hugh! As I understand, Faceted Web Service is just a SPARQL-query results wrapper. But I asked about some semantic search implementation. Under semantic search I mean some more intellectual than pure SPARQL algorithms

[Virtuoso-users] Triple reference

Hello! I am storing triples generated from natural language texts at RDF-store. Also I need to store some metadata for these triples (for example, how often and where this triple occurs in the text). Of course, I could use reification for storing metadata... but I would like to store it at

[Virtuoso-users] owl:Thing support

Hello! I am working with OWL ontology stored in Virtuoso RDF-store. Ontology contains assertions someClass rdfs:subClassOf owl:Thing not for all root classes. Is there any way to make Virtuoso reasoner take into consideration that all classes are derived from owl:Thing. In other words I want to

[Virtuoso-users] Get direct subclasses

Hello! Could you please hint me how to get some class' *direct* derivatives using Virtuoso SPARQL-endpoint in the case inference is enabled? Regards, Alexander

[Virtuoso-users] ADO.NET provider problems

Hello! I have some problems using virtado3.dll to access Virtuoso Open Source 5 RDF-store. 1. Performance (cpu usage is 100% for one core) and memory (OutOfMemoryException) problems during some trivial SPARQL-queries execution. Looks like a recursion... At the same time these queries are

[Virtuoso-users] Virtuoso 5 encoding problems

Hello! I am using Virtuoso Open Source 5 and have problems storing and retrieving non-english literals. Virtuoso.ini: Charset = UTF-8 Is this a known problem? Regards, Alexander

Re: [Virtuoso-users] Virtuoso 5 encoding problems

the problem, please? (My mail client shows an attachment icon at your previous mail but no attachments, please re-attach in some different way if there were any) Best Regards, Ivan Mikhailov OpenLink Software http://virtuoso.openlinksw.com On Sat, 2010-01-30 at 01:04 +0600, Alexander Sidorov

Re: [Virtuoso-users] Virtuoso 5 encoding problems

, I think non-english symbols are just lost during conversion. Would be very grateful for any comments about this approach. 2010/1/30 Alexander Sidorov alexi...@gmail.com Hi Hugh, I have localized the problem and can be more specific now. I use two ways to add triples to the store: 1. SPARQL

[Virtuoso-users] Virtuoso Open Source 6 binaries

Hello! Are Virtuoso Open Source 6 binaries available? Regards, Alexander

Re: [Virtuoso-users] Virtuoso Open Source 6 binaries

/OpenLink On 31 Jan 2010, at 09:12, Alexander Sidorov wrote: Hello! Are Virtuoso Open Source 6 binaries available? Regards, Alexander -- The Planet: dedicated and managed hosting, cloud storage, colocation

[Virtuoso-users] dif:contains relevance

Hello! Does bif:contains support relevance? Can I order query results according to bif:contains? Regards, Alexander

[Virtuoso-users] Virtuoso 6.1

Hello! I can't download Virtuoso 6.1 Open Source from sourceforge. Tried several mirrors but no result. Are there any non-sourceforge mirrors? And what about binaries? Regards, Alexander

[Virtuoso-users] OWL reasoning

Hello! Virtuoso 6.1 contains some new OWL semantics support. And it makes me happy :) But at the moment I do not understand how OWL semantics is integrated into Virtuoso (primarily RDFS) reasoner. Some questions: 1. What about things like owl:Thing, owl:Nothing, owl:TopDataProperty,

[Virtuoso-users] Windows build manual

Hello! Is there any more up-to-date build manual for Windows that thishttp://www.openlinksw.com/dataspace/dav/wiki/Main/VOSMakeWindows ? Regards, Alexander

Re: [Virtuoso-users] Windows build manual

Hello! Are there any news about Windows binaries? Regards, Alexander 2010/2/6 Patrick van Kleef pkl...@openlinksw.com Hi Alexander, Is there any more up-to-date build manual for Windows that this? The scripts are all up to date in both win32 and win64 directories, and while doc may

Re: [Virtuoso-users] Windows build manual

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 10 Feb 2010, at 00:57, Alexander Sidorov wrote: Hello! Are there any news about

Re: [Virtuoso-users] Virtuoso 5 encoding problems

Hello! Are there any news about about ADO.NET provider encoding problems? Regards, Alexander 2010/1/30 Alexander Sidorov alexi...@gmail.com So I have succeeded in uploading graph to database, but looks like it is not the end of the story :) After triples were uploaded using SPARQL INSERT

[Virtuoso-users] Virtuoso at Amazon EC2 price

Hello! I am very glad to know Virtuso Cloud Edition price for Amazon EC2 is so democratic :) But it is so much cheaper than other commercial Virtuoso editions that I would like to ask is it really fully-functional Virtuoso or may be there are some limitations (connections quantity or something

Re: [Virtuoso-users] Virtuoso at Amazon EC2 price

using one shared connection simultaneously? Regards, Alexander 2010/2/10 Kingsley Idehen kide...@openlinksw.com Alexander Sidorov wrote: Hello! I am very glad to know Virtuso Cloud Edition price for Amazon EC2 is so democratic :) But it is so much cheaper than other commercial Virtuoso

Re: [Virtuoso-users] Virtuoso at Amazon EC2 price

And what is the price? 2010/2/10 Kingsley Idehen kide...@openlinksw.com Alexander Sidorov wrote: Hi Kingsley, I'm planning to use Virtuoso Cloud Edition at web-service that theoretically can have hundreds and thousands of connections. So limitation to 25 sessions looks critical. So 2

Re: [Virtuoso-users] Virtuoso at Amazon EC2 price

And one more detail. Is this restriction applied to each EC2 instance or totally to AWS account? 2010/2/10 Kingsley Idehen kide...@openlinksw.com Alexander Sidorov wrote: And what is the price? For how many DB sessions? Or are you seeking this to be unrestricted? Anyway, we are going

Re: [Virtuoso-users] Virtuoso at Amazon EC2 price

It's very difficult to estimate connections quantity for web application... but I think 300 will be enough for the beginning. Could you provide new Cloud Edition limitation/limitations when it is cleared? 2010/2/10 Kingsley Idehen kide...@openlinksw.com Alexander Sidorov wrote: And what

Re: [Virtuoso-users] Virtuoso at Amazon EC2 price

So one licence per Amazon instance? 2010/2/10 Kingsley Idehen kide...@openlinksw.com Alexander Sidorov wrote: And one more detail. Is this restriction applied to each EC2 instance or totally to AWS account? Each AMI has a license that applies to the Virtuoso instances on the machine

Re: [Virtuoso-users] Virtuoso at Amazon EC2 price

I love OpenLink more and more :) Thank you! 2010/2/10 Kingsley Idehen kide...@openlinksw.com Alexander Sidorov wrote: And one more detail. Is this restriction applied to each EC2 instance or totally to AWS account? Re. default license, this is now 100 instead of 25 :-) Beyond that, you

[Virtuoso-users] Database GUI

Hello! Is there any user-friendly tool for working with DDL queries to Virtuoso? May be some tool supports Virtuoso? Regards, Alexander

Re: [Virtuoso-users] Database GUI

Kingsley Idehen kide...@openlinksw.com Alexander Sidorov wrote: Hi Kingsley, OAT demo lookes very promising, but it didn't work for me (see attachment). So I will try it later :) Re. OAT, once we're done with updates and code sync I'll put out some new demos. The DBDesigner is at: http

Re: [Virtuoso-users] Database GUI

Hi Kingsley, OAT demo lookes very promising, but it didn't work for me (see attachment). So I will try it later :) Regards, Alexander 2010/2/13 Kingsley Idehen kide...@openlinksw.com Alexander Sidorov wrote: Hello! Is there any user-friendly tool for working with DDL queries to Virtuoso

[Virtuoso-users] ADO.NET provider Virtuoso 6.1 compatibility

Hello! Is ADO.NET provider compatible with Virtuoso 6.1? When I try to add tables through Visual Studio EF-designer, Virtuoso works strange, it's process size raises significantly (even if there is no user data) and finally designer throws an exception telling that MaxMemPoolSize (500mb) limit is

[Virtuoso-users] input:same-as and labels

Hello! First, I would like to ask a question: does same-as inference is enabled automatically when I set DEFINE input-inference ruleSetName? When I set just input-inference, everything is okay. But when I additionally set same-as inferencing this way: DEFINE input:inference ruleSetName DEFINE

Re: [Virtuoso-users] ADO.NET provider Virtuoso 6.1 compatibility

://docs.openlinksw.com/virtuoso/fn_trace_on.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 14 Feb 2010, at 23:17, Alexander

[Virtuoso-users] Multiple graphs in one ruleset

Hello! Documentation says It is possible to combine multiple schema graphs into a single rule set, but how to implement this? If I try to use rdfs_rule_set with one name but different graphs only the last one is used. Also I tried to create graph group and rdfs_rule_set to it, but it didn't work

Re: [Virtuoso-users] Multiple graphs in one ruleset

%27), 'no', 'urn:rulegraph'); DB.DBA.RDF_LOAD_RDFXML (http_get ('http://www.w3.org/2002/07/owl.rdf'http://www.w3.org/2002/07/owl.rdf%27), 'no', 'urn:rulegraph'); rdfs_rule_set ('rules', 'urn:rulegraph'); wkr www.turnguard.com - Original Message - From: Alexander Sidorov alexi

Re: [Virtuoso-users] Multiple graphs in one ruleset

Hi Kingsley, Thank you for clarifications. I have just misunderstood rdfs_rule_set concept :( Now the problem is solved. Regards, Alexander 2010/2/22 Kingsley Idehen kide...@openlinksw.com Alexander Sidorov wrote: Hello! Documentation says It is possible to combine multiple schema graphs

Re: [Virtuoso-users] Multiple graphs in one ruleset

, Ivan Mikhailov OpenLink Software http://virtuoso.openlinksw.com On Mon, 2010-02-22 at 09:55 +0100, Alexander Sidorov wrote: Hello! Documentation says It is possible to combine multiple schema graphs into a single rule set, but how to implement this? If I try to use rdfs_rule_set

Re: [Virtuoso-users] FreeText manual update

Hi Patrick, Thank you for the link. It really clarified how this stored procedure works. But it looks like this phrase from documentation is incorrect: To set the text index to follow the triples in real time, use: DB.DBA.VT_BATCH_UPDATE ('DB.DBA.RDF_OBJ', 'ON', null); As I understand, 'ON'

[Virtuoso-users] Autoincrement rdf field

Hello! What is the preferred way of stroring autoincrement values in RDF-storage? Now I just use GUIDs (but don't like them) and have some workaround ideas of using relational table's autoincrement field values at RDF-storage. But may be there is some build-in support? Regards, Alexander

[Virtuoso-users] Free text index update

Hello! My message about possible error in documentationhttp://docs.openlinksw.com/virtuoso/rdfsparqlrulefulltext.htmlwas ignored, so once more :) Do I understand right that to make free text index update synchronously I should execute the following code: DB.DBA.VT_BATCH_UPDATE ('DB.DBA.RDF_OBJ',

Re: [Virtuoso-users] Storing uris

Hi Nathan, I use SPARUL. Regards, Alexander 2010/2/26 Nathan nat...@webr3.org Alexander Sidorov wrote: Hello! What is the best way of storing properties' values that are uris: as literal (http://somgraph#somename;) or as uri (http://somegraph#somename). May be there are some

Re: [Virtuoso-users] Storing uris

.org Alexander Sidorov wrote: I use SPARUL. In that case it's just a simple http://a.uri which denotes the type of the uri :) virtuoso will do the rest 2010/2/26 Nathan nat...@webr3.org Alexander Sidorov wrote: Hello! What is the best way of storing properties' values

Re: [Virtuoso-users] Autoincrement rdf field

all. Note that bif:sprintf should form an absolute IRI as namespace prefixes and BASE will not play any role at the runtime. Best Regards, Ivan Mikhailov OpenLink Software http://virtuoso.openlinksw.com On Fri, 2010-02-26 at 11:54 +0100, Alexander Sidorov wrote: Hello! What

Re: [Virtuoso-users] Complex search based on Virtuoso Free Text Search

Hi Nathan, Thank you very much! You helped me significantly. After your message receiving I googled more about IRI:RANK and bif:contains and found some interesting information: 1. Orri Erling's article More On Parallel RDF/Text Query

[Virtuoso-users] Free Text Search nonenglish symbols

Hello! I'm trying to find some information at lod.openlinksw.com using simple query: SELECT * WHERE { ?s ?p ?o . ?o bif:contains Some non english literal } As result I get an error telling Invalid character in free-text search expression, it may not appear outside quoted string. I there any way

Re: [Virtuoso-users] Free Text Search nonenglish symbols

/support Twitter: http://twitter.com/OpenLink On 4 Mar 2010, at 13:20, Alexander Sidorov wrote: Hello! I'm trying to find some information at lod.openlinksw.com using simple query: SELECT * WHERE { ?s ?p ?o . ?o bif:contains Some non english literal } As result I get an error telling Invalid

[Virtuoso-users] Access nonlocal Virtuoso instance

Hello! I have installed Virtuoso and set System DSN using state white ip address. Virtuoso is accessed from local computer, but throws No such host exception at other computers. At the same time conductior is accessed without any problems. Firewall is switched off. Are there any additional

Re: [Virtuoso-users] Free Text Search nonenglish symbols

://twitter.com/OpenLink On 4 Mar 2010, at 19:54, Alexander Sidorov wrote: Hi Hugh, Thank you, that helped. But there are a lot of examples at documentation that use just double quotes... Regards, Alexander 2010/3/4 Hugh Williams hwilli...@openlinksw.com Hi Alexander, Try the following

[Virtuoso-users] lod.openlinksw.com endpoint encoding

Hello! Is all lod.openlinksw.com content encoded using UTF8? For example, when I execute the following query: SELECT * WHERE {http://linkedgeodata.org/triplify/node/163043169#id ?p ?o} I expect cyrillic letters at the name but get some strange symbols. I tried on another PC (thought it could be

Re: [Virtuoso-users] SPARQL select only one optional value

Thank you, Ivan. That's what I really need :) 2010/3/12 Ivan Mikhailov imikhai...@openlinksw.com Hello Alexander, I need to get some cities with it's names. And here is my query: SELECT DISTINCT ?cityUri ?cityName WHERE {

[Virtuoso-users] lod.openlinksw.com is down

Re: [Virtuoso-users] lod.openlinksw.com is down

Hi Ted, It's fine for me too at the moment :) But lod.openlinksw.com was unreachable for nearly 20 minutes recently. Regards, Alexander 2010/3/16 Ted Thibodeau Jr tthibod...@openlinksw.com Hi, Alexander -- On Mar 15, 2010, at 08:26 PM, Alexander Sidorov wrote: [no message content

[Virtuoso-users] lod.openlinksw.com host4 is down

Re: [Virtuoso-users] lod.openlinksw.com host4 is down

://www.openlinksw.com Support: http://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 16 Mar 2010, at 17:42, Alexander Sidorov wrote: -- Download Intel#174

[Virtuoso-users] LOD encoding problems

Hello! I have already asked about LOD encoding problems before but no feedback followed. To be more expressive I have attached my application's screen shots with information about Manchester (english symbols - everything is okay) and Moscow (russian symbols are displayed incorrectly). Regards,

Re: [Virtuoso-users] LOD encoding problems

Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 17 Mar 2010, at 00:27, Alexander Sidorov wrote: Hello! I have already asked about LOD encoding problems before but no feedback followed. To be more expressive I have attached my application's screen shots

Re: [Virtuoso-users] lod.openlinksw.com strange behaviour

now ... 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 20 Mar 2010, at 07:14, Alexander Sidorov wrote: Hello

Re: [Virtuoso-users] lod.openlinksw.com strange behaviour

Oh, it's already online. 2010/3/21 Alexander Sidorov alexi...@gmail.com Hi Hugh, Could you please post here when maintanance is finished? Is there any way to get information about lod.openlinksw.com/sparql status changes? Regards, Alexander 2010/3/20 Hugh Williams hwilli

Re: [Virtuoso-users] lod.openlinksw.com strange behaviour

, Alexander 2010/3/21 Kingsley Idehen kide...@openlinksw.com Alexander Sidorov wrote: Oh, it's already online. Alex, What about having your own instance of LOD on EC2? Basically, you end with an instance that serves the needs of your specific application. This is better that sharing LOD

Re: [Virtuoso-users] Retrieve triples for list of entities

IN ( http://dbpedia.org/ontology/Albumhttp://dbpedia.org/ontology/Album, http://dbpedia.org/ontology/Book http://dbpedia.org/ontology/Book) ). } } LIMIT 50 Is there a reason behind it or just a glitch? Regards, Sebastian Am 23.03.2010 02:56, schrieb Alexander Sidorov: Hi Ivan, Thank you! I

Re: [Virtuoso-users] Retrieve triples for list of entities

I have looked through plenty of Virtuoso documentation articles and blogposts and haven't found any IN usage with subqueries. Is it possible? 2010/3/23 Ivan Mikhailov imikhai...@openlinksw.com Hello Alexander, Let's imagine we have a list of entities uris' as input and we need to retrieve

[Virtuoso-users] DateTime UTC

Hello! Does Virtuoso consider UTC offsets for datetime values? I haven't seen any examples with UTC offsets at documentation... Regards, Alexander

[Virtuoso-users] Uptodate oat vad package

Hello! Where can I download uptodate oat vad package? Regards, Alexander

[Virtuoso-users] xsd:datetime type cast

Hello! I see two ways to mark RDF literal as xsd:datetime: 1. Add ^^xsd:datetime at the moment of addition it to the storage 2. Make type cast at query Is there any performance difference between these two ways? Regards, Alexander

[Virtuoso-users] SPARQL pagination

Hello! At the moment I'm implementing pagination for my SPARQL queries and I can't find out how to retrieve records count. By count I mean records number that were retrieved if I didn't use OFFSET and LIMIT clauses. Here is my sample query: prefix events:

[Virtuoso-users] System users

Hello! Documentationhttp://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtInstallationEC2says about only two system users. But there are some more users by default. Can I just remove them without any consequences? Regards, Alexander

[Virtuoso-users] ADO.NET provider stability

Hello! I need to decide can we use Virtuoso as relational storage at production or not. The most significant problem is ADO.NET provider. First we had encoding problem, then we had EDM generation one. They were fixed, but it took several months. After that we tried to use it with very simple

Re: [Virtuoso-users] ADO.NET provider DateTime bug(?)

I hope Virtuoso Mars Edition will solve crossplanets timezones synchronization :) 2010/4/16 Ivan Mikhailov imikhai...@openlinksw.com Hello Alexander, I will check details with other developers tomorrow. By default ODBC prints strings without timezone offsets and ODBC TIMESTAMP_STRUCT lacks

[Virtuoso-users] Load LGD to Amazon EC2 instance

Hello! I'm trying to load LGD Elements dataset to my EC2 instance but as result get the following error at logs: 02:46:41 PL LOG: File /opt/lgdelements/global.graph error 37000 SP029: TURTLE RDF loader, line 1: Undefined namespace prefix at http://linkedgeodata.org# 02:46:41 PL LOG: File

Re: [Virtuoso-users] Load LGD to Amazon EC2 instance

/OpenLink On 16 Apr 2010, at 08:11, Alexander Sidorov wrote: Hello! I'm trying to load LGD Elements dataset to my EC2 instance but as result get the following error at logs: 02:46:41 PL LOG: File /opt/lgdelements/global.graph error 37000 SP029: TURTLE RDF loader, line 1: Undefined

[Virtuoso-users] Virtuoso Cloud Edition licensing

Hello! Some time ago we had a conversation concerning Virtuoso Cloud Edition pricing. Here is the quote from there Each AMI has a license that applies to the Virtuoso instances on the machine. (c) Kingsley. According to this quote I thought Cloud Edition license is applied per EC2 instance

[Virtuoso-users] SPARQL compare strings

Hello! Should these queries: WHERE { ?s http://www.geonames.org/ontology#featureClass http://www.geonames.org/ontology#P; . } WHERE { ?s http://www.geonames.org/ontology#featureClass ?featureClass . FILTER (?featureClass = http://www.geonames.org/ontology#P;) } be equivalent? Yes, I know

Re: [Virtuoso-users] SPARQL compare strings

I forgot to notice that first query doesn't work. 2010/4/23 Alexander Sidorov alexi...@gmail.com Hello! Should these queries: WHERE { ?s http://www.geonames.org/ontology#featureClass http://www.geonames.org/ontology#P; . } WHERE { ?s http://www.geonames.org/ontology#featureClass

Re: [Virtuoso-users] SPARQL compare strings

http://virtuoso.openlinksw.com On Fri, 2010-04-23 at 23:28 +0700, Alexander Sidorov wrote: I forgot to notice that first query doesn't work. 2010/4/23 Alexander Sidorov alexi...@gmail.com Hello! Should these queries: WHERE { ?s http

[Virtuoso-users] SPARQL In operator

Hello! Should SPARQL IN operator work with subqueries? What I see now is that only first subquery result is used by IN operator. Regards, Alexander

[Virtuoso-users] Geo queries efficiency

Hello! What is the most efficient way of filtering geomerty objects by latitude/longitude? I need to retrieve LinkedGeoData objects inside some rectangular boundaries. Here is how I filter objects now : where { ?entity geo:lat ?lat . ?entity geo:long ?long . FILTER ( ?lat =

Re: [Virtuoso-users] Geo queries efficiency

, 41.0006278592186), 2.548784053237235) ?lat = 40.9844337033077 ?lat = 41.0168220151295 ?long = -85.7900905609131 ?long = -85.7471752166748 ) and it's performance is much better. 2010/4/26 Nathan nat...@webr3.org Nathan wrote: Alexander Sidorov wrote: Hello! What is the most efficient way

Re: [Virtuoso-users] Import DBpedia into Virtuoso

Hi Benedik, I had similar problem. Switching to PC with more RAM solved it. Regards, Alexander

Re: [Virtuoso-users] Clear graph

/17 Kingsley Idehen kide...@openlinksw.com Alexander Sidorov wrote: Hugh and Ivan, thank you for advices. I tried some of the ways you have suggested but they didn't work. It was easier to me to launch new Virtuoso EC2 instance and make dataset loading from scratch. The problem didn't appear

Re: [Virtuoso-users] Amazon EC2 pricing clarification

Hi Kingsley, We just offer a paid AMI with minimal mark up of the base costs. Hm... We need to double check this option as it might have been introduced after our initial paid AMI scheme was constructed. Basically, the markup factors would be the same. Thus, if there is a 96 hour

Re: [Virtuoso-users] Amazon EC2 pricing clarification

2010/5/17 Kingsley Idehen kide...@openlinksw.com Alexander Sidorov wrote: Hi Kingsley, We just offer a paid AMI with minimal mark up of the base costs. Hm... We need to double check this option as it might have been introduced after our initial paid AMI scheme was constructed

Re: [Virtuoso-users] geometry predicate lack

Hi Alex, You are right, geo-capabilities are included only in commercial Virtuoso instances. But it is my case (as I use Virtuoso Cloud Edition). I hope OpenLink guys can clarify this behaviour so I have added virtuoso-users to cc. Regards, Alexander 2010/5/17 Alex Tucker a...@floop.org.uk

[Virtuoso-users] Migrating from x64 to x86 and back

Hello! For economical reasons I have to migrate from CentOs x64 (Amazon EC2 Large) to x86 (Amazon EC2 High-CPU Medium). I haven't found found any documentation concerning this kind of migration. Will it work if I just copy database files (which exactly?) from x64 instance to x86 instance?

Re: [Virtuoso-users] Amazon EC2 pricing clarification

will cost not 0.2$ but 0.3$. Regards, Alexander 2010/5/17 Kingsley Idehen kide...@openlinksw.com Alexander Sidorov wrote: Hi Kingsley, We just offer a paid AMI with minimal mark up of the base costs. Hm... We need to double check this option as it might have been introduced after

Re: [Virtuoso-users] geometry predicate lack

: http://twitter.com/OpenLink On 17 May 2010, at 18:04, Alexander Sidorov wrote: Hi Kingsley, Yes, geo capabilities work very well under Virtuoso Cloud Edition (good performance was a great surprise after migrating from lod.openlinksw.comto custom Amazon EC2 instance). Here I will quote

Re: [Virtuoso-users] geometry predicate lack

://support.openlinksw.com Forums: http://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 18 May 2010, at 12:01, Alexander Sidorov wrote: Hi Hugh, There wasn't any error. As there isn't geometry predicate at my instance, Virtuoso doesn't find assertions with it and returns empty

Re: [Virtuoso-users] LOD encoding problems

), '', 'http://linkedgeodata.org/triplify/node/27503927'http://linkedgeodata.org/triplify/node/27503927%27 ); and query : select * where { http://linkedgeodata.org/triplify/node/27503927#id ?y ?z . } Best Regards, Mitko On Mar 20, 2010, at 9:33 PM, Alexander Sidorov wrote: Hm... Look

Re: [Virtuoso-users] LOD encoding problems

()); return fixedLgdString; } 2010/5/21 Alexander Sidorov alexi...@gmail.com Richards, thank you for posting your ideas concerning LGD incorrectly encoded strings. I didn't want to solve this problem for a long time because hoped that fixed LGD dataset will be released before our service launch

[Virtuoso-users] EF support improvements

Hello! I was out of Virtuoso news for some time... Was there a ADO.NET provider release with EF support improvements? Regards, Alexander

Re: [Virtuoso-users] EF support improvements

: http://twitter.com/OpenLink On 18 Jul 2010, at 07:42, Alexander Sidorov wrote: Hello! I was out of Virtuoso news for some time... Was there a ADO.NET provider release with EF support improvements? Regards, Alexander

Re: [Virtuoso-users] EF support improvements

And the last thing. What about EF4 support? 2010/7/21 Patrick van Kleef pkl...@openlinksw.com Hi Alexander, Will this ADO.NET provider release be compatible with current Virtuoso Open-Source Edition? Yes. Patrick

[Virtuoso-users] Clear graph

Hello! I need to clear some graph from Virtuoso database. I execute sparql clear graph graphName from isql, virtuoso-t takes all my free memory but the size of database file doesn't become better and even select count(*) from graph graphName { ?s ?p ?o} doesn't become less. What am I doind wrong?

Re: [Virtuoso-users] Clear graph

://boards.openlinksw.com/support Twitter: http://twitter.com/OpenLink On 9 Jun 2011, at 16:39, Alexander Sidorov wrote: Hello! I need to clear some graph from Virtuoso database. I execute sparql clear graph graphName from isql, virtuoso-t takes all my free memory but the size of database file doesn't

Re: [Virtuoso-users] Clear graph

log_enable 3 worked like a charm. Graph contains zero triples now. After that I tried to run vacuum() to make the size of my database less, but after it had finished its work, the size became even more (was 4.8gb, now 6.8gb). 2011/6/11 Ivan Mikhailov imikhai...@openlinksw.com Hi Alexander

[Virtuoso-users] Bulk dataset uploading performance

Hello! What does influence on the bulk dataset uploading performance? I need to upload about 50kk triples (quads) to the server with outdated hardware and 1gb of memory. I have set MaxCheckpointRemap, NumberOfBuffers and MaxDirtyBuffers to take all available memory but uploading goes very slow,

[Virtuoso-users] Caseinsensitive search for uri

Hello! I need to search DbPedia uri by wikipedia link (entered by user). For example: SELECT ?uri WHERE { ?uri foaf:page http://en.wikipedia.org/wiki/Moon } But I need to make this query case-insensitive (for the case when, for example, user enters .../moon instead of .../Moon). Here is what

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