[Virtuoso-users] CfP: Hacking RDF with Perl Hackathon in London next week

ld join us. One wouldn't need to be well-versed in Perl as long as one would be able to make a substantial contribution to writing this module. Best, Kjetil -- Kjetil Kjernsmo Ph.d Research Fellow, Semantic Web kje...@kjernsmo.net http://www.kjetil.kjernsmo.net/

Re: [Virtuoso-users] An (experimental) support for big SPARQL INSERT DATA and SPARQL DELETE DATA statements

s, but I'm not sufficiently familiar with the code to fix it. Med vennlig hilsen Kjetil Kjernsmo -- Senior Kunnskapsingeniør / Redaktør for SPARQL F&R Mobil: 986 48 234 Epost: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  COMPUTAS SETTER KUNNSKAP I SYSTEM  | Com

Re: [Virtuoso-users] Debian packages again

lly quite urgent... Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer / SPARQL F&R Editor Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE  | Computas AS PO Box 482, N-1327 Lysaker | Phone:+47 6783 1000 | Fax:+47 6783 1001

Re: [Virtuoso-users] controlling query time limits from the sparql endpoint

rator? Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer / SPARQL F&R Editor Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE  | Computas AS PO Box 482, N-1327 Lysaker | Phone:+47 6783 1000 | Fax:+47 6783 1001

Re: [Virtuoso-users] Inserting data into an arbitrary graph with HTTP

On Wednesday 27 May 2009 13:58:46 Frederick Giasson wrote: > Hi Kjetil, > > > Try one of these PL functions: > > DB.DBA.TTLP_MT() > DB.DBA.RDF_LOAD_RDFXML_MT() Yeah, I am aware of them, but how can we use them from the SPARQL endpoint? Kind regards Kjetil Kjernsmo -- Seni

[Virtuoso-users] Inserting data into an arbitrary graph with HTTP

to insert data into an arbitrary graph using HTTP? Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer / SPARQL F&R Editor Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE  | Computas AS PO Box 482, N-1327 Lysak

[Virtuoso-users] ORDER BY query gives error

s-1-8-t3"."O") AND "s-1-8-t3"."O" = __i2idn ( __bft( 'http://www.computas.com/mediasone-ontologi#Aktoer' , 1)) AND "s-1-6-t4"."G" = __i2idn ( __bft( 'http://msone.computas.no/graphs' , 1)) AND

Re: [Virtuoso-users] Query log?

All, Just a tiny follow-up. It seems like the trace_on setting disappears after a server restart. Can I set it persistently somewhere? Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com

Re: [Virtuoso-users] ORDER BY weirdness and some problems with LIMITs

class", $122 "callret") 10: $46 "ctor-1" := := artm $123 "callret" 14: BReturn 0 Subquery Select(TOP ) ($46 "ctor-1") } After code: 0: if ($133 "user_aggr_notfirst" 1(=) ) then 15 else 4 unkn 4 4: $133 "user_a

Re: [Virtuoso-users] Debian packages again

of Ubuntu, this is the hard deadline. To be confident, it should be uploaded well in advanced before that date. Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE

Re: [Virtuoso-users] Case sensitivity with UTF-8 and regexps

On Tuesday 21 April 2009 11:21:32 Kjetil Kjernsmo wrote: > øl and Øl yields different results and given the "i" operator, we would > expect it to give the same result. Actually, this turns out to have become worse in 5.0.11. Now prefix dct: <http://purl.org/dc/terms/>

[Virtuoso-users] ORDER BY weirdness and some problems with LIMITs

7 "in_iter" over ($29 "callret", $30 "callret", $31 "callret", $32 "callret") from DB.DBA.RDF_QUAD by RDF_QUAD_OGPS 0.87 rows Key RDF_QUAD_OGPS ASC ($210 "s-1-28-t9.S") , , row specs: > Current of: <$212 "" sp

[Virtuoso-users] Case sensitivity with UTF-8 and regexps

FILTER regex(?title, "øl", "i") } ORDER BY When this is run http://msoneutv.computas.no:8890/sparql which has a patched 5.0.10, it seems to have some case sensitivity problems with the UTF-8 character, in the final filter clause. øl and Øl yields different results and giv

[Virtuoso-users] Default graph vs all graphs oddness

r_env") 7: $47 "callret" := Call DB.DBA.SPARQL_DESC_DICT ($46 "callret", $28 "callret", , , , $26 "callret") 14: $48 "callret-0" := Call DB.DBA.RDF_FORMAT_TRIPLE_DICT_AS_TTL ($47 "callret") 21: BReturn 0 Select (TOP

[Virtuoso-users] Regexps with UTF-8-problems

that these queries are so simple, the corresponding SQL isn't the interesting part here? Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE  | Computas AS PO Box 482, N-1327 Lysaker | Phone:+47 6783 1000 | Fax:+47 6783 1001

Re: [Virtuoso-users] Unexpected CONSTRUCT result with variable predicate

t0"."S" = __i2idn ( __bft( 'http://rabbit.computas.int:8180/sublima-webapp-1.0-SNAPSHOT/topic/topic000747' , 1)) AND isiri_id ( "s-1-1-t0"."O") AND ( "s-1-1-t1"."S" < min_bnode_iri_id ()) AND "s-1-1-t1".

[Virtuoso-users] Unexpected CONSTRUCT result with variable predicate

elation' )), vector ( 1, 2, 3, DB.DBA.RDF_MAKE_IID_OF_QNAME ( UNAME'http://www.w3.org/2000/01/rdf-schema#label' ), 1, 3), vector ( 1,

Re: [Virtuoso-users] Debian packages again

ink policy documents, that I don't know in detail would be pretty clear about this? :-) Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE  | Computas AS PO Box 482, N-1327 Lysaker | Phone:+47 6783 1000 | Fax:+47 6783 1001

[Virtuoso-users] bif:contains with UTF-8?

n UTF-8, whereas the latter in ISO-8859-1. This works, but seems a fragile hack. It seems to do the job for now, but if those two things would happen to be in the same query, different parts of the string would need to be encoded differently, it seems, which would be problematic. Is there a

[Virtuoso-users] Problems with case-sensitivity and non-ASCII letters

s not return any results, whereas a FILTER clause with FILTER regex(str(?label), "^Ø", "i") does. Indeed, there are only uppercase Ø's in beginning of words in this index, but the "i" modifier should fix that for us, shouldn't it? For ASCII letters, this works

[Virtuoso-users] Debian packages again

making? Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE  | Computas AS PO Box 482, N-1327 Lysaker | Phone:+47 6783 1000 | Fax:+47 6783 1001

Re: [Virtuoso-users] Setting defines when using JDBC

oint, and it seems the performance penalty isn't disastrous, so I guess I can live with it for now. Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE  | Computas AS

[Virtuoso-users] Setting defines when using JDBC

-graph-uri " + defaultGraph + " \n" + req.getParameterValues("query")[0]); but that seems to cause Jena to croak and say the query is invalid. Then, the question is of course whether using JDBC gives me much? I could just use the endpoint and then parse and reserialise the result, but that s

Re: [Virtuoso-users] Surprisingly high number of solutions to longquery

://musicbrainz.org/mm/mm-2.1#Track> , > >Oh, cool! But I can't remember seeing that in the SPARQL spec, is that a >Virtuoso extension? Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.compu

Re: [Virtuoso-users] Surprisingly high number of solutions to long query

ness happens... > In addition, you may wish to abbreviate the query as follows: > FILTER (?type in ( > <http://musicbrainz.org/mm/mm-2.1#Track> , Oh, cool! But I can't remember seeing that in the SPARQL spec, is that a Virtuoso extension? Kind regards

[Virtuoso-users] Surprisingly high number of solutions to long query

t; ) . ?resource dct:title ?title . } UNION { ?resource a ?type . FILTER (?type = <http://www.computas.com/mediasone#Text> ) . ?resource dct:title ?title . } FILTER regex(?title, "turi", "i") } ORDER BY ?title LIMIT 4 OFFSET 0 The query

Re: [Virtuoso-users] Problems loading data

Just to follow up on this issue: On Thursday 29 January 2009 17:09:10 Kjetil Kjernsmo wrote: > So, in spite of the data being loaded many times into the graph named > http://msone.computas.no/graphs it doesn't show up. And suddenly, it does, > with no changes to what I do, as far

Re: [Virtuoso-users] constructing URI's from literals

ch, so it doesn't sound technically unfeasible from a naive viewpoint. Yup, it doesn't sound too unfeasible. Another thing we've done a bit is to construct URIs from literals where a base URI and e.g. a dct:title is concatenated. I think we may raise this with the DAWG II.

Re: [Virtuoso-users] constructing URI's from literals

/rdf-sparql-query/#FunctionMapping it appears that you cannot cast from string to URI, only from URI to string. Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE  | Computas AS P

Re: [Virtuoso-users] Hanging at 100% CPU on insane query

ILL, usually I have to. >Note you can also use the following param in the [SPARQL] section to >control result set sizes: > > ResultSetMaxRows = 10 Yes, that's in the default setup, so I have that allready. Kind regards Kjetil Kjernsmo -- Senior Knowl

[Virtuoso-users] Hanging at 100% CPU on insane query

?conductoruri foaf:name ?conductorname . } OPTIONAL { <http://www.wizardis.com.au/2005/12/MAVIS#TitleWorkkey41402> sub:extinfo ?dbpediatext . } } It is submitted by an HTTP POST operation. We have now rewritte

Re: [Virtuoso-users] Dumb strings in free text search

dct:title we have a dumb:title, but this would lead to data duplication and is certainly less elegant than modifying the indexer to do the job. Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/

[Virtuoso-users] Dumb strings in free text search

we are looking for a better solution to this problem than we have ourselves. Additionally, our own solution requires Jena, so we would prefer a Virtuoso-only solution. Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: h

Re: [Virtuoso-users] Problems loading data

x and an error if it didn't conform? Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE  | Computas AS PO Box 482, N-1327 Lysaker | Phone:+47 6783 1000 | Fax:+47 6783 1001

[Virtuoso-users] Problems loading data

computas.com/mediasone-maven/trunk/modelling/src/resources/mediasone-default-graph.n3 So, in spite of the data being loaded many times into the graph named http://msone.computas.no/graphs it doesn't show up. And suddenly, it does, with no changes to what I do, as far as I can tell. Weird, h

[Virtuoso-users] case-insensitive bif:contains; phrase wildcards

t;oslo central station" (the former being a common abbreviation of the latter). It appears from the BNF that this is not possible, correct? Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ | 

[Virtuoso-users] The default graph when not set

SYS_SPARQL_HOST. It appears not to return the query the whole merged graph, but I don't understand which subset it returns. It appears to return data from a few graphs. Perhaps I'm just blind, but I hope someone will help me see :-) Kind regards Kjetil Kjernsmo -- Senior Knowledge En

Re: [Virtuoso-users] Query log?

the logs, but that's not what I want, I need those that ran against the endpoint. How do I do that? Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE  | Computas AS PO Box 482, N-1327 Lysaker | Phone:+47 6783 1000 | Fax:+47 6783 1001

[Virtuoso-users] Query log?

All, I've been looking for an option to turn on logging of the queries that are sent to the server (at the endpoint would also do). This would be an extremely useful aid in debugging our application (which generates SPARQL queries). Is there such an option in Virtuoso? Kind regards K

Re: [Virtuoso-users] DESCRIBEing a URI white implicitly naming the graph

hat's why, but it shouldn't be relevant to the problem. Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE  | Computas AS PO Box 482, N-1327 Lysaker | Phone:+47 6783 1000 | Fax:+47 6783 1001

Re: [Virtuoso-users] DESCRIBEing a URI white implicitly naming the graph

hem I'd like. Also, the CONSTRUCT is arguably more complex (for the programmer) than the DESCRIBE query. Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE  | Computas AS PO Box 482, N-1327 Lysaker | Phone:+47 6783 1000 | Fax:+47 6783 1001

Re: [Virtuoso-users] DESCRIBEing a URI white implicitly naming the graph

the same) and the you run the script on the directory where the files are. So, I'm not just testing with a browser :-) Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE  | Computas AS PO Box 482, N-1327 Lysaker | Phone:+47 6783 1000 | Fax:+47 6783 1001

[Virtuoso-users] DESCRIBEing a URI white implicitly naming the graph

t the actual data from a DESCRIBE, I have to explicitly name the graph. Which creates problems on the client side... I have to admit that I am a bit confused about graph naming. Does this problem have a more trivial solution? The endpoint where all this runs is a public test endpoint at http:/

[Virtuoso-users] Weird DESCRIBE output (was: Problems creating RDF/XML from Virtuoso model through Jena)

rygghetslarm_005975 So, from my perspective, it seems rather wrong that the resource http://www.sjukvardsradgivningen.se/artikel.asp?CategoryID=22952 is returned when it does not have a dct:identifier property with the object http://rabbit.computas.int:8180/sublima-webapp-1.0-SNAPSHOT

Re: [Virtuoso-users] Problems creating RDF/XML from Virtuoso model through Jena

be found in (a work in progress) https://submarine.computas.com/mediasone-maven/trunk/backend/ I'm really sorry I couldn't find something that's easier to debug, but I wanted to share the status with you nevertheless. I'll continue to work on this problem. Kind regards Kjeti

[Virtuoso-users] Query that crashes Virtuoso

e dct:title ?title . ?title bif:contains "'oslo s'" . } LIMIT 10 It would have to be rewritten a bit, but it appears that the critical thing is the literal that has a space but no asterisk. Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Emai

Re: [Virtuoso-users] Problems creating RDF/XML from Virtuoso model through Jena

On Monday 17 November 2008 17:19:57 Kjetil Kjernsmo wrote: > All, > > I have another problem with my SPARQL Endpoint servlet, which is just > supposed to generate RDF/XML-ABBREV from a query. Thanks to Hugh, I now run a 5.0.10 prerelease, which fixes a related bug, but it didn'

[Virtuoso-users] Case-insensitive regex problem

aber", "i") } LIMIT 10 Our development endpoint running 5.0.9 is here: http://msone.computas.no:8890/sparql This doesn't return any solutions, but FILTER regex(str(?title), "^ Aber", "i") does. So, it appears that something is wrong with the cas

[Virtuoso-users] behaviour of ctrl+c

exits like mysql. So, my feature request is that isql should just stop the current query, not exit when hitting ctrl+c. Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR

Re: [Virtuoso-users] Possible bug in Virtuoso Jena driver?

On Thursday 20 November 2008 12:47:45 Kjetil Kjernsmo wrote: > The problem has a pretty clear symptom: When running against an endpoint > based on a Jena Model, I get the following date: > > rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime";>2003-07-11 > 09

[Virtuoso-users] Possible bug in Virtuoso Jena driver?

n the endpoint code. Of course, it could be in some Jena code, but we've never seen this when using a Postgres backend, so it seems it is most likely in the driver. Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com

[Virtuoso-users] Problems creating RDF/XML from Virtuoso model through Jena

res.setContentType("application/rdf+xml"); > PrintWriter out = res.getWriter(); > model.write(out, "RDF/XML-ABBREV"); > out.close(); Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE  | Computas AS PO Box 482, N-1327 Lysaker | Phone:+47 6783 1000 | Fax:+47 6783 1001

Re: [Virtuoso-users] Problems running SPARQL queries through Jena

BC(TM) Version 3.x [Build 3.25] Oh, mine is 3.19... I just redownloaded it from http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtJenaProvider#Required%20Files and that too is 3.19... Where are the new ones? Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +4

[Virtuoso-users] Problems running SPARQL queries through Jena

;RDF/XML-ABBREV"); out.close(); The exception message doesn't mean much to me, can anybody give more details about what this means? Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE  | Computas AS PO Box 482, N-1327 Lysaker | Phone:+47 6783 1000 | Fax:+47 6783 1001

[Virtuoso-users] Forward-chaining OWL reasoner

ds to running a forward chaining reasoner on the top of Virtuoso, both in terms of performance and in terms of ease of implementation. Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE

Re: [Virtuoso-users] Announcing OpenLink Virtuoso, Open-Source Edition v5.0.9

mall Debian repository for Ubuntu 8.04 (which is a Long Term Support release), 8.10 (which is current) and Debian Lenny. It is just a static web server http://www.debian.org/doc/manuals/repository-howto/repository-howto.en.html Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47

Re: [Virtuoso-users] Announcing OpenLink Virtuoso, Open-Source Edition v5.0.9

Tim, Great stuff! But I just ran cvs up and it didn't seem to give me a debian/ directory. Didn't it make it in? Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR

Re: [Virtuoso-users] RDF Views URI sprintf; owl:same-as URI; some comments

a running number to the %U. Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE  | Computas AS PO Box 482, N-1327 Lysaker | Phone:+47 6783 1000 | Fax:+47 6783 1001

[Virtuoso-users] RDF Views URI sprintf; owl:same-as URI; some comments

bit hard to read at times. In particular, I wouldn't think that most SPARQL users would need to understand the details of how the quads are stored in the database, which is now the first thing you encounter. Perhaps these belong in different chapters or documents? Kind regards Kjetil

[Virtuoso-users] RDF/XML abbreviated serialization syntax

d it be possible to reuse this code on the endpoint? Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE  | Computas AS PO Box 482, N-1327 Lysaker | Phone:+47 6783 1000 | Fax:+47 6783 1001

[Virtuoso-users] Turtle parsing errors

looks like both are optional. Likewise dct:language : ; which is quite nonsensical, but it passes the other parsers, and :rdf:type owl:Ontology ; Well, you get the idea? Perhaps this is something that entered the spec with the Team Submission? Kind regards Kjetil Kj

Re: [Virtuoso-users] Packaging Virtuoso for Debian

On Wednesday 08 October 2008 21:10:11 Tim Haynes wrote: > Kjetil Kjernsmo wrote: > > On Wednesday 08 October 2008 17:15:50 Tim Haynes wrote: > >> I'm wondering how you've gone about it; I saw the mention of > >> http://debianpaket.de/svn-buildpackage/index.ht

Re: [Virtuoso-users] Packaging Virtuoso for Debian

; around). This should perhaps be done when first configuring virtuoso in the install process? > It might also help to specify ./configure --with-layout=debian so > it uses /var/lib/virtuoso/ as the database directory. That's a nice feature! It can be added to debian/rules but pe

Re: [Virtuoso-users] Packaging Virtuoso for Debian

On Wednesday 08 October 2008 16:01:38 Sergio Fernández wrote: > On Tue, 2008-10-07 at 15:07 +0200, Kjetil Kjernsmo wrote: > > I've been packaging Virtuoso for Debian (...) > > Great work Kjetil, I'd the same idea some weeks ago: I contacted with > some colleagues that

Re: [Virtuoso-users] Packaging Virtuoso for Debian

until packaging is done for real. Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Mobile: +47 986 48 234 Email: kjetil.kjern...@computas.com Web: http://www.computas.com/ |  SHARE YOUR KNOWLEDGE  | Computas AS PO Box 482, N-1327 Lysaker | Phone:+47 6783 1000 | Fax:+47 6783 1001

[Virtuoso-users] Packaging Virtuoso for Debian

xtensive free QA. Also, in my experience, sysadmins are generally your friend if you ask them to install something that's allready in their distro, but can be a real bottleneck if not. From my own perspective as a developer, it eases setup of development systems a lot. Kind regards Kjetil Kje

Re: [Virtuoso-users] "Simple freetext search" with SPARQL

in the standards process. It seems to me that a solution to this problem would be to allow matching graphs that are not part of the result set, e.g. DESCRIBE ?foo FROM WHERE GRAPH { ?foo dct:title "Foo" . } or something like that... Kind regards Kjetil Kjernsmo -- Senior Knowledge

Re: [Virtuoso-users] "Simple freetext search" with SPARQL / jena

e literals seem to cause us trouble. We are working on several fronts with this problem, one solution involves Virtuoso, some does not. We are using Jena as a SPARQL Endpoint, but we are also using SPARQL Update. With the current architecture, it should be straightforward to switch back and forth,

Re: [Virtuoso-users] "Simple freetext search" with SPARQL

solved by simply using Virtuoso, is that the cost of serializing and transferring the result set is too high. In that case, I was wondering if I could somehow exclude the sub:literals predicate from the DESCRIBE result? Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Direct: +

[Virtuoso-users] "Simple freetext search" with SPARQL

s linked to the subject I'm interested in here, but also to literals linked to subjects that is an object of this resource... Therefore, it would be nice to have the possibility of defining a pattern for this index. Kind regards Kjetil Kjernsmo -- Senior Knowledge Engineer Direct: +47 678