SEM_APIS.GET_TRIPLE_ID Returns No Rows When Using Blank Nodes (Doc ID 1411843.1)

Last updated on FEBRUARY 08, 2017

Applies to:

Oracle Spatial - Version: 11.2.0.2 and later   [Release: 11.2 and later ]
Information in this document applies to any platform.

Symptoms


Using the converted blank node SEM_APIS.GET_TRIPLE_ID returns NULL

select SEM_APIS.GET_TRIPLE_ID('NSU',
'_:m71mBNSEQN1001A',
'<http://www.w3.org/1999/02/22-rdf-syntax-ns#_1>',
'<http://www.nature.com/nsu/040301/040301-15.html>') link_id
from nsu;

LINK_ID
--------------------------------------------------------------------------------


Using the original blank node it returns the correct value

select SEM_APIS.GET_TRIPLE_ID('NSU',
'_:BNSEQN1001A',
'<http://www.w3.org/1999/02/22-rdf-syntax-ns#_1>',
'<http://www.nature.com/nsu/040301/040301-15.html>') link_id
from dual;

LINK_ID
--------------------------------------------------------------------------------
47_7F0836A70DCB160F_3337619D9A3C1B48_4E2D2318694BE552


Cause

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