On 01/06/17 17:16, Andrew U Frank wrote:
i try to combine two queries where one goes against the default graph in
which data were loaded and the other against a specific graph.
SELECT *
from <http://localhost:3030/fabeln2/data/wn>
I think you want to use GRAPH in query pattern, not FROM.
FROM means use that graph exactly - not any data in the storage default
graph.
To access one graph, it is better to use GRAPH:
SELECT *
WHERE {
GRAPH <http://localhost:3030/fabeln2/data/wn> {
?s lit:hl1 ?o.
}
}
LIMIT 25
WHERE {
?s wn:translation ?o .
}
LIMIT 25
and
SELECT *
WHERE {
?s lit:hl1 ?o.
}
LIMIT 25
give both the expected results.
If i add the graph to the second query (in order to formulate a query
connecting the two grahs):
SELECT *
from <http://localhost:3030/fabeln2/data/wn>
WHERE {
?s lit:hl1 ?o.
}
LIMIT 25
i get nothing.
SELECT *
WHERE {
GRAPH <http://localhost:3030/fabeln2/data/wn> {
?s lit:hl1 ?o.
}
?s wn:translation ?o .
} LIMIT 25
How to include the "default graph" in fuseki to combine with other graphs?
Another optiuon is to use "default union graph" - the default graph is
the union of all named graphs.
Andy
thank you!
andrew
