On 23.10.2012 5:43, Danilo da Rosa wrote:
Hello, we are having some trouble developing a MW extension, using SMW
with Virtuoso, when having string objects with special characters in
the triple store.
When making a SPARQL query, through the "SMWSparqlDatabase::doquery
($sparql)" method, if the triple object has special characters, such
as accents (i.e. á) or "ñ", the result does not shows all the string,
it shows only de part after the special char.
For example, having the following triple in Virtuoso:
http://127.0.0.1/id/MNunez http://127.0.0.1/id/Atribuoto:Nombre
"Marcos Nuñez"
And making this query, using the doQuery method:
DEFINE input:inference <http://127.0.0.1/mydefaultgraphname>
DEFINE get:soft "replacing"
DEFINE input:same-as "yes"
PREFIX rdf:<http://www.w3.org/1999/02/22-rdf-syntax-ns#>
select ?o where {
{ <http://127.0.0.1/id/MNunez > <http://127.0.0.1/id/Atribuoto:Nombre>
?o }
When we print the result, we get:
ñez
We would like to know if this is a known error, and if there is any
workaround.
Thanks in advance,
Marcelo, Pablo y Danilo
Try using 4store instead? Or, maybe the SMWSparqlDatabase code has to be
patched so the attribute values would be urlencoded on store and
urldedoced while read.
Dmitriy
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