Triple
T14747410
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Australian rail network |
E346507
|
entity |
| Predicate | hasHeritageRailway |
P522
|
FINISHED |
| Object | Pichi Richi Railway |
E1117970
|
NE FINISHED |
How this triple was built (2 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Pichi Richi Railway | Statement: [South Australian rail network, hasHeritageRailway, Pichi Richi Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pichi Richi Railway Context triple: [South Australian rail network, hasHeritageRailway, Pichi Richi Railway]
-
A.
Pichi Richi Railway
chosen
Pichi Richi Railway is a heritage narrow-gauge tourist railway in South Australia that operates historic steam and diesel trains through the scenic Pichi Richi Pass in the Flinders Ranges.
-
B.
Kyoto Tango Railway
Kyoto Tango Railway is a regional railway operator in Japan’s northern Kyoto Prefecture, known for running local and sightseeing trains along the scenic Tango Peninsula and surrounding areas.
-
C.
Tama Monorail
Tama Monorail is a straddle-beam monorail line in Tokyo, Japan, providing urban transit service through the Tama area.
-
D.
Valsugana Railway
The Valsugana Railway is a regional rail line in northern Italy that connects Trento with Bassano del Grappa through the Valsugana valley.
-
E.
Eungai Rail
Eungai Rail is a small rural locality in the Nambucca Valley region of New South Wales, Australia, historically centered around its railway station on the North Coast line.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69d822e6f1c88190bc494d491a907114 |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69dec7d116e88190828b163b18d80f68 |
completed | April 14, 2026, 11:03 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe0ce843a481908f376172d4a8b70a |
completed | May 8, 2026, 4:18 p.m. |
Created at: April 10, 2026, 1:30 a.m.