Triple
T18559849
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pontrhydyfen |
E453604
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object |
Pontrhydyfen Aqueduct
Pontrhydyfen Aqueduct is a historic stone viaduct in Pontrhydyfen, South Wales, notable for its multiple arches spanning the Afan Valley and its association with the area's former industrial and mining heritage.
|
E1333131
|
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: Pontrhydyfen Aqueduct | Statement: [Pontrhydyfen, hasStructure, Pontrhydyfen Aqueduct]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pontrhydyfen Aqueduct Context triple: [Pontrhydyfen, hasStructure, Pontrhydyfen Aqueduct]
-
A.
Tal-y-Cafn bridge
Tal-y-Cafn bridge is a road bridge in Conwy, Wales, that carries traffic across the River Conwy near the village of Tal-y-Cafn.
-
B.
Dyfi Bridge
Dyfi Bridge is a historic stone road bridge in Wales that carries traffic across the River Dyfi near Machynlleth.
-
C.
Avoncliff Aqueduct
Avoncliff Aqueduct is a historic stone structure in Wiltshire, England, that carries the Kennet and Avon Canal over the River Avon and a railway line.
-
D.
Wigwell Aqueduct
Wigwell Aqueduct is a historic stone-built waterway structure in Derbyshire, England, carrying the Cromford Canal over the Wigwell valley.
-
E.
Conwy Railway Bridge
Conwy Railway Bridge is a 19th-century tubular iron railway bridge in Conwy, Wales, designed by Robert Stephenson and notable for its pioneering engineering and castle-like turrets.
- 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: Pontrhydyfen Aqueduct Triple: [Pontrhydyfen, hasStructure, Pontrhydyfen Aqueduct]
Generated description
Pontrhydyfen Aqueduct is a historic stone viaduct in Pontrhydyfen, South Wales, notable for its multiple arches spanning the Afan Valley and its association with the area's former industrial and mining heritage.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pontrhydyfen Aqueduct Target entity description: Pontrhydyfen Aqueduct is a historic stone viaduct in Pontrhydyfen, South Wales, notable for its multiple arches spanning the Afan Valley and its association with the area's former industrial and mining heritage.
-
A.
Tal-y-Cafn bridge
Tal-y-Cafn bridge is a road bridge in Conwy, Wales, that carries traffic across the River Conwy near the village of Tal-y-Cafn.
-
B.
Dyfi Bridge
Dyfi Bridge is a historic stone road bridge in Wales that carries traffic across the River Dyfi near Machynlleth.
-
C.
Avoncliff Aqueduct
Avoncliff Aqueduct is a historic stone structure in Wiltshire, England, that carries the Kennet and Avon Canal over the River Avon and a railway line.
-
D.
Wigwell Aqueduct
Wigwell Aqueduct is a historic stone-built waterway structure in Derbyshire, England, carrying the Cromford Canal over the Wigwell valley.
-
E.
Conwy Railway Bridge
Conwy Railway Bridge is a 19th-century tubular iron railway bridge in Conwy, Wales, designed by Robert Stephenson and notable for its pioneering engineering and castle-like turrets.
- 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_69d8d388b0c881908e610a1c45b52640 |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e538098a148190b0fc7098ce3c62fd |
completed | April 19, 2026, 8:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a05037361208190acd4f49c77e5c34c |
completed | May 13, 2026, 11:04 p.m. |
| NEDg | Description generation | batch_6a050455e6e8819084927b1c2d4a5237 |
completed | May 13, 2026, 11:08 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0505cbc11481908e61d90dd64f6212 |
completed | May 13, 2026, 11:14 p.m. |
Created at: April 10, 2026, 11:42 a.m.