Triple
T12571633
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dunkeld and Birnam railway station |
E295616
|
entity |
| Predicate | originalOperator |
P179
|
FINISHED |
| Object |
Perth and Dunkeld Railway
The Perth and Dunkeld Railway was a 19th-century Scottish railway company that built and operated the line connecting Perth to Dunkeld, later becoming part of the Highland Railway network.
|
E989608
|
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: Perth and Dunkeld Railway | Statement: [Dunkeld and Birnam railway station, originalOperator, Perth and Dunkeld Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Perth and Dunkeld Railway Context triple: [Dunkeld and Birnam railway station, originalOperator, Perth and Dunkeld Railway]
-
A.
Highland Railway
The Highland Railway was a former Scottish railway company that operated routes through the Scottish Highlands before being absorbed into the London, Midland and Scottish Railway in the 1923 Grouping.
-
B.
Dundee and Arbroath Railway
The Dundee and Arbroath Railway was an early Scottish railway company that operated a line along the east coast between the cities of Dundee and Arbroath.
-
C.
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.
-
D.
Perth–Stirling line
The Perth–Stirling line was a suburban railway route in Perth, Western Australia, that connected the city centre with the northern suburb of Stirling before its services were integrated into the modern Joondalup line.
-
E.
Eastern Goldfields Railway
The Eastern Goldfields Railway is a major rail line in Western Australia that connects the gold-mining city of Kalgoorlie with Perth and other parts of the state, supporting both passenger and freight transport.
- 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: Perth and Dunkeld Railway Triple: [Dunkeld and Birnam railway station, originalOperator, Perth and Dunkeld Railway]
Generated description
The Perth and Dunkeld Railway was a 19th-century Scottish railway company that built and operated the line connecting Perth to Dunkeld, later becoming part of the Highland Railway network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Perth and Dunkeld Railway Target entity description: The Perth and Dunkeld Railway was a 19th-century Scottish railway company that built and operated the line connecting Perth to Dunkeld, later becoming part of the Highland Railway network.
-
A.
Highland Railway
The Highland Railway was a former Scottish railway company that operated routes through the Scottish Highlands before being absorbed into the London, Midland and Scottish Railway in the 1923 Grouping.
-
B.
Dundee and Arbroath Railway
The Dundee and Arbroath Railway was an early Scottish railway company that operated a line along the east coast between the cities of Dundee and Arbroath.
-
C.
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.
-
D.
Perth–Stirling line
The Perth–Stirling line was a suburban railway route in Perth, Western Australia, that connected the city centre with the northern suburb of Stirling before its services were integrated into the modern Joondalup line.
-
E.
Eastern Goldfields Railway
The Eastern Goldfields Railway is a major rail line in Western Australia that connects the gold-mining city of Kalgoorlie with Perth and other parts of the state, supporting both passenger and freight transport.
- 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_69d6ad9cac2c81908e8a7bed82d1e21d |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d954a52c788190beac128a97e34dc1 |
completed | April 10, 2026, 7:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f65595826081908035655f7930f55a |
completed | May 2, 2026, 7:50 p.m. |
| NEDg | Description generation | batch_69f656a86ff48190bd3debd30e11df80 |
completed | May 2, 2026, 7:55 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f657b1b13c8190984300f24c0b2083 |
completed | May 2, 2026, 7:59 p.m. |
Created at: April 8, 2026, 11:50 p.m.