Triple
T17227780
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pontypool and Blaenavon Railway |
E418162
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Big Pit Halt
Big Pit Halt is a heritage railway station serving the Big Pit National Coal Museum on the preserved Pontypool and Blaenavon Railway in South Wales.
|
E1257349
|
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: Big Pit Halt | Statement: [Pontypool and Blaenavon Railway, hasStation, Big Pit Halt]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Big Pit Halt Context triple: [Pontypool and Blaenavon Railway, hasStation, Big Pit Halt]
-
A.
Lyons Crossing Halt
Lyons Crossing Halt was a small former halt on the railway line serving the Ifield area in West Sussex, England.
-
B.
Newton Dale Halt
Newton Dale Halt is a small request-stop railway station set in the scenic North York Moors, serving walkers and visitors on the heritage North Yorkshire Moors Railway.
-
C.
Hayles Abbey Halt
Hayles Abbey Halt is a small heritage railway stop in Gloucestershire, England, serving visitors to the nearby Hailes Abbey on the preserved Gloucestershire Warwickshire Steam Railway.
-
D.
Porth-y-waen Halt
Porth-y-waen Halt is a small heritage railway stop in Shropshire, England, served by the preserved Cambrian Heritage Railways line.
-
E.
Coppermill Junction
Coppermill Junction is a key railway junction in northeast London where multiple routes on the Lea Valley lines converge and diverge.
- 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: Big Pit Halt Triple: [Pontypool and Blaenavon Railway, hasStation, Big Pit Halt]
Generated description
Big Pit Halt is a heritage railway station serving the Big Pit National Coal Museum on the preserved Pontypool and Blaenavon Railway in South Wales.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Big Pit Halt Target entity description: Big Pit Halt is a heritage railway station serving the Big Pit National Coal Museum on the preserved Pontypool and Blaenavon Railway in South Wales.
-
A.
Lyons Crossing Halt
Lyons Crossing Halt was a small former halt on the railway line serving the Ifield area in West Sussex, England.
-
B.
Newton Dale Halt
Newton Dale Halt is a small request-stop railway station set in the scenic North York Moors, serving walkers and visitors on the heritage North Yorkshire Moors Railway.
-
C.
Hayles Abbey Halt
Hayles Abbey Halt is a small heritage railway stop in Gloucestershire, England, serving visitors to the nearby Hailes Abbey on the preserved Gloucestershire Warwickshire Steam Railway.
-
D.
Porth-y-waen Halt
Porth-y-waen Halt is a small heritage railway stop in Shropshire, England, served by the preserved Cambrian Heritage Railways line.
-
E.
Coppermill Junction
Coppermill Junction is a key railway junction in northeast London where multiple routes on the Lea Valley lines converge and diverge.
- 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_69d886d8e96081909870bff6c3d0bf09 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e42de239a08190936a1d635b0b1b87 |
completed | April 19, 2026, 1:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a01675eae08819093427b4dc1ffee5f |
completed | May 11, 2026, 5:21 a.m. |
| NEDg | Description generation | batch_6a016a1f6eac8190951ae30f37144d2a |
completed | May 11, 2026, 5:33 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a016a92af248190aaed36040486bf40 |
completed | May 11, 2026, 5:35 a.m. |
Created at: April 10, 2026, 5:39 a.m.