gt; rel="http://xmlns.com/foaf/0.1/primaryTopic;,
> <http://dbpedia.org/resource/Template:Short_description.ntriples>;
> rev="describedby",
> <http://dbpedia.mementodepot.org/timegate/http://dbpedia.org/data/Template:Shor
fferent restrictions.
Patrick
---
Patrick van Kleef
Program Manager
OpenLink Software
http://www.openlinksw.com/
http://twitter.com/openlink/
--
___
Dbpedia-discussion m
Hi Chris,
In the DBpedia SPARQL endpoint [1], running
PREFIX dc: http://purl.org/dc/elements/1.1/
PREFIX :
http://dbpedia.org/resource/
PREFIX dbpedia2:
http://dbpedia.org/property/
SELECT ?a (3+3 AS ?y)
WHERE
{
?a dc:description English footballer .
?a
All,
Thanks, good point. So I tried with another resource, where the abstract
seems to have been extracted this time:
http://dbpedia-live.openlinksw.com/page/France. The query is:
select ?abstract where {
http://dbpedia.org/resource/France dbpedia-owl:abstract ?abstract
}
This
The BBC links are already loaded in DBpedia Live
i.e. http://live.dbpedia.org/page/Aaron_Gate
Kingsley, can you upload them in dbpedia.org as well?
Best,
Dimitris
Yes, this should happen today, across DBpedia and the LOD cloud cache
instances, ditto our DBpedia-Live peer to
Hi,
I am the principal maintainer of the endpoints provided by OpenLink.
Hello everyone! I have three questions/requests, hopefully they will be easy
ones to answer/implement.
First, I would like to run an automated, periodic SPARQL query against a
somewhat up-to-date DBpedia endpoint,
All,
As you are probably aware of, due to some integration issues Live updates
stopped ~1 month ago.
We'd like to inform you that the updates are back online now and Live
extraction will shortly catch up with real time updates. Even with this
delay, DBpedia Live has ~ 3 months fresher
All,
yep - but given Live is not Live anymore... you will need to baseline
changesets from somewhere once it comes back.. it seems DBpedia2014 dumps
would be a good place to start ?
Actually the live.dbpedia.org/sparql or the dbpedia-live.openlinksw.com/sparql
endpoints already serve
All,
DBpedia.org will be down for about 20 minutes for a major software upgrade by
OpenLink Software.
Patrick
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HI DBpedia users,
The DBpedia-Live endpoint [1] will be down for a while due to maintenance
issues.
Sorry for any inconvenience.
[1]http://live.dbpedia.org/sparql/
As an alternative you can use the OpenLink hosted endpoint at:
http://dbpedia-live.openlinksw.com/sparql
HI Somesh Jain,
I wanted to know if there is any limit on querying DBpedia per
day i.e. the number of queries per day or per hour. I am querying
using sparql .
Yes, since http://dbpedia.org/sparql is on a publicly accessible site,
there are some limits set in terms of:
* the
Hi Somesh Jain,
The site is already back online.
Patrick
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Hi Konrad,
I was querying DBpedia, when I started to receive HTTP 500 errors, the
response says:
Virtuoso 22023 Error SR008: Function id_to_iri needs an IRI_ID or NULL
as argument 1, not an arg of type INTEGER (189) SPARQL query
First I thought my query became broken, but I noticed I get the
HI Lee,
I am having the same problem, the Access-Control-Allow-Origin header is
missing
in dbpedia's response.
Has there been another upgrade which has disabled this header?
It appears an update indeed reset this. I will make sure this is fixed.
For now i added CORS setting to
Hi,
OpenLink is going to perform some maintenance on dbpedia.org hardware starting
at 12:00 GMT Sunday.
We hope to keep the downtime to a minimum and i will post a followup as soon as
maintenance is over.
In case you want to query the dbpedia dataset, you can use the endpoint at:
Hi,
OpenLink is going to perform some maintenance on dbpedia.org hardware
starting at 12:00 GMT Sunday.
We hope to keep the downtime to a minimum and i will post a followup as soon
as maintenance is over.
In case you want to query the dbpedia dataset, you can use the endpoint at:
Hi,
The same problem that some days ago we had, is happening right now.
javax.xml.stream.XMLStreamException
Does the server have any problem?
I will check the server.
Patrick
I have a problem when querying all DBpedia by Jena ARQ. My query is :
SELECT * WHERE {?s ?p ?o } LIMIT
Hi Roberto,
I think one of our IP addresses has been blacklistened by dbpedia
servers. We use these addresses just for research purposes within my
university. Who should I contact for kindly asking to enable it again?
You can send the IP address to me privately and i will check the
Hi Julien,
I have met the same problem recently, on an example which worked not
so long before (2 weeks top):
http://dbpedia.org/data/Tetris (example from the page
http://wiki.dbpedia.org/OnlineAccess)
.
If data didn't change recently on dbpedia sparql endpoint could that
be a server
Hi Víctor,
I am trying to executing few simple queries like:
PREFIX rdfs: http://www.w3.org/2000/01/rdf-schema#
PREFIX dbpedia-owl: http://dbpedia.org/ontology/
PREFIX dbpprop: http://dbpedia.org/property/
PREFIX foaf:
Hi Antonio,
This is my first day to the mailing list, hope you are all well.
So I have been scouring the web furiously but have just come upon
disparate information on how to use sparql and dbpedia in iphone
applications. I am new to semantic web and sparql, but need to find
a way to
Hello Julien,
I have a problem with a DBPedia SPARQL endpoint. When I am on the
http://dbpedia.org/sparql
website, I put this SPARQL query :
PREFIX foaf: http://xmlns.com/foaf/0.1/
select distinct ?s where {
?s foaf:name ?o .
FILTER regex(str(?o), ^Brad)
}
And this error
HI Yves,
Since this morning, I am receiving a very large amounts of time outs
from dbpedia.org - is that a know issue?
Ddbpedia.org was swapping due to huge number of requests.
I restarted the server.
Patrick
---
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HI Kevin,
Apologies if this covers old ground but I am new to DBpedia and after
a cursory hunt around the archive nothing
quite answered my question.
I was searching through the DBpedia?wikipedia data set and entered the
UK postcode N194EH, at present there is
no entry fro this. Is there
Hi Yury
It seems that all links from dbpedia.org/sparql are broken, I think it's not
very good. :)
There was an unexpected outage this morning.
I restarted the service.
Please try again.
Patrick
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Hi Roberto,
try several times this simple query on http://lod.openlinksw.com/
sparql
(default dataset name: http://dbpedia.org):
#
SELECT COUNT(DISTINCT ?movie) WHERE {
?movie a dbpedia-owl:Film.
?movie rdfs:label ?label.
FILTER ( lang(?label) = en )
}
#
Hi Daniel,
I'm executing the following SPARQL query in JAVA...
PREFIX rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
PREFIX rdfs: http://www.w3.org/2000/01/rdf-schema#
SELECT ?s ?sl ?p ?o ?ol ?range ?domain
WHERE {
?s rdf:type http://dbpedia.org/ontology/Person .
?s
Hi Karel,
Forgot to mention the machine details:
24GB RAM
2x quadcore Xeon E5540 2.5GHz
Virtuoso data is on SSD disks
Your parameters look ok, but you may want to try adding the following:
[Parameters]
...
DefaultIsolation = 2
...
which sets a different
Hi Zoltan,
I have been using DBpedia for a little while now, and something
important has changed a few minutes ago:
If I retrieve information about a resource using it's JSON or XML
representation all the dbpedia URI's in the file are different than
what
they previously were. Instead of
Hi Zoltan,
I have been using DBpedia for a little while now, and something
important has changed a few minutes ago:
If I retrieve information about a resource using it's JSON or XML
representation all the dbpedia URI's in the file are different than
what
they previously were. Instead of
Hi Sareh.
How can I save result of sparql query from dbpedia on a rdf file?
I used dbpedia sparql endpoint () for doing it, but it has the below
error :
Virtuoso 0 Error To keep saved SPARQL results, the DAV directory
(NULL) should be of DAV exte
The option you are trying to use
into the cause.
Please check as it should work at this time.
Patrick
- Original Message -
From: Patrick van Kleef pkl...@openlinksw.com
Date: Wednesday, June 15, 2011 6:37 pm
Subject: Re: [Dbpedia-discussion] query timeout error.
To: Dalkandura Arachchige Gunaratna gunaratn
HI,
I am trying to run a query through a java program using Jena ARQ
API. Following is the query that I run through a java program.
select distinct ?s ?o where { ?s http://dbpedia.org/ontology/
team ?o1 . ?o1 http://dbpedia.org/ontology/team ?o . ?s
http://dbpedia.org/ontology/team
HI Lushan,
who can take a loot at http://DBpedia.org/sparql and
http://DBpedia.org/snorql. They are not working now.
I got error messages like
Virtuoso 08C01 Error CL...: Cluster could not connect to host 2 22202
error 111 SPARQL query: define sql:big-data-const 0
Hi Lushan Han,
Please check http://dbpedia.org/snorql/
Something wrong with this interface.
Please try again.
Patrick
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