Triple
T6590583
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pontardawe |
E159343
|
entity |
| Predicate | historicallyServedBy |
P19592
|
FINISHED |
| Object |
Swansea Vale Railway
The Swansea Vale Railway was a historic railway line in South Wales that primarily served the industrial and mining communities of the Swansea Valley.
|
E599595
|
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: Swansea Vale Railway | Statement: [Pontardawe, historicallyServedBy, Swansea Vale Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Swansea Vale Railway Context triple: [Pontardawe, historicallyServedBy, Swansea Vale Railway]
-
A.
Swansea Bay railway line
The Swansea Bay railway line is a coastal rail route in South Wales that connects communities around Swansea Bay and links them to the wider national rail network.
-
B.
Taff Vale Railway
Taff Vale Railway was a historic Welsh railway company that played a key role in transporting coal and passengers in South Wales during the 19th and early 20th centuries.
-
C.
Swanage Railway
Swanage Railway is a preserved heritage railway in southern England that operates steam and diesel trains along a scenic route on the Isle of Purbeck.
-
D.
Rhymney Railway
Rhymney Railway was a historic Welsh railway company that primarily served the coal-mining communities of the Rhymney Valley and surrounding areas.
-
E.
Vale of Glamorgan Line
The Vale of Glamorgan Line is a railway route in South Wales that connects Cardiff with coastal towns such as Barry and Bridgend, serving both commuter and regional passenger traffic.
- 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: Swansea Vale Railway Triple: [Pontardawe, historicallyServedBy, Swansea Vale Railway]
Generated description
The Swansea Vale Railway was a historic railway line in South Wales that primarily served the industrial and mining communities of the Swansea Valley.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Swansea Vale Railway Target entity description: The Swansea Vale Railway was a historic railway line in South Wales that primarily served the industrial and mining communities of the Swansea Valley.
-
A.
Swansea Bay railway line
The Swansea Bay railway line is a coastal rail route in South Wales that connects communities around Swansea Bay and links them to the wider national rail network.
-
B.
Taff Vale Railway
Taff Vale Railway was a historic Welsh railway company that played a key role in transporting coal and passengers in South Wales during the 19th and early 20th centuries.
-
C.
Swanage Railway
Swanage Railway is a preserved heritage railway in southern England that operates steam and diesel trains along a scenic route on the Isle of Purbeck.
-
D.
Rhymney Railway
Rhymney Railway was a historic Welsh railway company that primarily served the coal-mining communities of the Rhymney Valley and surrounding areas.
-
E.
Vale of Glamorgan Line
The Vale of Glamorgan Line is a railway route in South Wales that connects Cardiff with coastal towns such as Barry and Bridgend, serving both commuter and regional passenger traffic.
- 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_69c688366ce8819083f8883983c0df92 |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6aecc969c81909a6e15ebe8dd3f94 |
completed | March 27, 2026, 4:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6cbb568508190b9da3475d1620ed5 |
completed | March 27, 2026, 6:25 p.m. |
| NEDg | Description generation | batch_69c6cd08a9c88190a481d4d3f8e680bf |
completed | March 27, 2026, 6:31 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c6cdc859cc8190bbae2efc39409021 |
completed | March 27, 2026, 6:34 p.m. |
Created at: March 27, 2026, 1:55 p.m.