Triple
T14747411
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Australian rail network |
E346507
|
entity |
| Predicate | hasHeritageRailway |
P522
|
FINISHED |
| Object |
SteamRanger Heritage Railway
SteamRanger Heritage Railway is a volunteer-operated tourist and heritage railway in South Australia that preserves and runs historic trains on former mainline routes, particularly along the scenic Fleurieu Peninsula.
|
E1117976
|
NE FINISHED |
How this triple was built (4 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: SteamRanger Heritage Railway | Statement: [South Australian rail network, hasHeritageRailway, SteamRanger Heritage Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SteamRanger Heritage Railway Context triple: [South Australian rail network, hasHeritageRailway, SteamRanger Heritage Railway]
-
A.
Puffing Billy Railway
Puffing Billy Railway is a historic narrow-gauge steam railway in Victoria, Australia, renowned as one of the world’s best-preserved heritage railways and a popular tourist attraction through the Dandenong Ranges.
-
B.
West Coast Wilderness Railway
The West Coast Wilderness Railway is a historic tourist railway in western Tasmania that runs through rugged rainforest and mountainous terrain, showcasing the region’s mining heritage and scenic landscapes.
-
C.
Takargo Rail
Takargo Rail is a Portuguese freight railway company that operates cargo transport services across the national rail network and into neighboring countries.
-
D.
Train 1900 heritage railway
Train 1900 heritage railway is a historic tourist railway in Luxembourg that operates vintage steam and diesel trains along a preserved line, offering visitors a nostalgic travel experience.
-
E.
Goldfields Railway
Goldfields Railway is a preserved heritage railway in New Zealand that operates vintage trains for tourists and rail enthusiasts along a historic mining-era line.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: SteamRanger Heritage Railway Triple: [South Australian rail network, hasHeritageRailway, SteamRanger Heritage Railway]
Generated description
SteamRanger Heritage Railway is a volunteer-operated tourist and heritage railway in South Australia that preserves and runs historic trains on former mainline routes, particularly along the scenic Fleurieu Peninsula.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: SteamRanger Heritage Railway Target entity description: SteamRanger Heritage Railway is a volunteer-operated tourist and heritage railway in South Australia that preserves and runs historic trains on former mainline routes, particularly along the scenic Fleurieu Peninsula.
-
A.
Puffing Billy Railway
Puffing Billy Railway is a historic narrow-gauge steam railway in Victoria, Australia, renowned as one of the world’s best-preserved heritage railways and a popular tourist attraction through the Dandenong Ranges.
-
B.
West Coast Wilderness Railway
The West Coast Wilderness Railway is a historic tourist railway in western Tasmania that runs through rugged rainforest and mountainous terrain, showcasing the region’s mining heritage and scenic landscapes.
-
C.
Takargo Rail
Takargo Rail is a Portuguese freight railway company that operates cargo transport services across the national rail network and into neighboring countries.
-
D.
Train 1900 heritage railway
Train 1900 heritage railway is a historic tourist railway in Luxembourg that operates vintage steam and diesel trains along a preserved line, offering visitors a nostalgic travel experience.
-
E.
Goldfields Railway
Goldfields Railway is a preserved heritage railway in New Zealand that operates vintage trains for tourists and rail enthusiasts along a historic mining-era line.
- F. None of above. chosen
Provenance (5 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_69fdfb982b5c8190a0340be2186f8b81 |
completed | May 8, 2026, 3:04 p.m. |
| NEDg | Description generation | batch_69fdfea2b720819089110c02dbd848bd |
completed | May 8, 2026, 3:17 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fdff1368e48190bc079645996d85d8 |
completed | May 8, 2026, 3:19 p.m. |
Created at: April 10, 2026, 1:30 a.m.