Lorenz Bühmann created JENA-1317:
------------------------------------
Summary: Property path with wildcard hack fails to consider
incoming path
Key: JENA-1317
URL: https://issues.apache.org/jira/browse/JENA-1317
Project: Apache Jena
Issue Type: Bug
Components: ARQ
Affects Versions: Jena 3.2.0
Reporter: Lorenz Bühmann
It looks like the evaluation of a property path with an alternative of a
non-existing property and it's negation fails:
Data (data.ttl):
```
@prefix : <http://example.com/> .
:a :p :b .
```
Query (query.txt):
```
PREFIX : <http://example.com/>
SELECT ?u {
:b ^(:p1|!:p1) ?u .
}
```
Algebra:
```
(project (?u)
(path ?u (alt <http://example.com/p1> (notoneof <http://example.com/p1>))
<http://example.com/b>))
```
Called with
`sparql --data data.ttl --query query.txt --explain`
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