Triple
T11627593
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Porthmadog |
E276310
|
entity |
| Predicate | touristAttraction |
P530
|
FINISHED |
| Object | Welsh Highland Railway |
E245123
|
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: Welsh Highland Railway | Statement: [Porthmadog, touristAttraction, Welsh Highland Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Welsh Highland Railway Context triple: [Porthmadog, touristAttraction, Welsh Highland Railway]
-
A.
Welsh Highland Railway
chosen
The Welsh Highland Railway is a scenic narrow-gauge heritage railway in North Wales that runs through the mountainous landscapes of Snowdonia.
-
B.
Sirhowy Railway
The Sirhowy Railway was a historic Welsh railway line that played a key role in transporting coal and iron through the Sirhowy Valley during the industrial era.
-
C.
Vale of Rheidol Railway
The Vale of Rheidol Railway is a historic narrow-gauge steam railway in Ceredigion, Wales, running through the scenic Rheidol Valley between Aberystwyth and Devil's Bridge.
-
D.
Aberystwith and Welsh Coast Railway
The Aberystwith and Welsh Coast Railway was a 19th-century railway company in Wales that developed coastal rail routes, including the line serving Aberystwyth.
-
E.
Welshpool and Llanfair Light Railway
Welshpool and Llanfair Light Railway is a preserved narrow-gauge heritage railway in Powys, Wales, offering scenic steam-hauled journeys through the countryside.
- 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_69d6aafa51148190ab84940694c00235 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8a1259cd08190a75eeacb5e39b858 |
completed | April 10, 2026, 7:05 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f019075f4c81908e0cde830231b229 |
completed | April 28, 2026, 2:18 a.m. |
Created at: April 8, 2026, 9:39 p.m.