Pim,
I think you are missing angle brackets. See the following in the Help
->Reference -> SPARQL Function Reference:
smf:buildURI (spin:Function)
Constructs a new URI resource by inserting the existing variable bindings
into a template. The template can mention variable names in curly braces,
such as "my:Instance-{?index}" would create "my:Instance-42" is ?index has
the value 42. As an alternative to variable names, the function can take
additional arguments after the template, the variables of which can be
accessed using {?1}, {?2} etc. For example:
smf:buildURI("my:Instance-{?1}-{?2}", ?day, ?month) would insert day and
month at places {?1} and {?2}.
Arguments
sp:arg1 (xsd:string <http://www.w3.org/2001/XMLSchema#string> ): The URI
template such as "<http://my.com/Instance-{?index}>". If the template
contains a full URI, then it must be wrapped by <...>, otherwise the system
will treat it as a qname.
Return type
* Resource
<http://127.0.0.1:1385/help/topic/org.topbraidcomposer.help/html/uispin?_res
ource=http%3A%2F%2Fwww.w3.org%2F2000%2F01%2Frdf-schema%23Resource>
Regards,
Irene
From: [email protected]
[mailto:[email protected]] On Behalf Of Helm, P.W. (Pim) van
den
Sent: Wednesday, December 01, 2010 4:41 AM
To: [email protected]
Subject: [topbraid-users] smf:buildURI results in invalid URI's
Hi all,
I am translating an semantic-xml document to an ontology.
Doing this I want the ID's used in the xml document (of format GUID) to
convert into an fragment identifier following the baseURI of my new
ontology. The GUIDs can start with a number but our usage of the fragments
doesn't allow this further allong the proces. So I want to add "_" infront
of my ID to overcome this issue.
The method I use for creating the URI using the fragment is:
LET (?object := smf:buildURI
("http://www.bimtoolset.org/ontologies/BB_coins.owl#_{?id}";)).
or
LET (?object := smf:buildURI (" <http://#_{?id> :_{?id}")).
Both result in the [?object] result showing only the "_" followed by the ID
without the baseURI and "#" infront. This seems not correct.
Doing a similar creation without the "_" so:
LET (?object := smf:buildURI ("
<http://www.bimtoolset.org/ontologies/BB_coins.owl#{?id>
http://www.bimtoolset.org/ontologies/BB_coins.owl#{?id}";)).
or
LET (?object := smf:buildURI (": <http://#_{?id> {?id}")).
has results with and without the baseURI infront. The ID's starting with a
number contain the baseURI infront (expected output), and the ID's NOT
starting with a number again don't contain the baseURI.
Is this expected behavior or am I doing something wrong?
with kind regards,
Pim
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