Triple
T4925721
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Porthkerry Country Park |
E110570
|
entity |
| Predicate | hasFeature |
P182
|
FINISHED |
| Object |
Porthkerry Viaduct
Porthkerry Viaduct is a historic multi-arched railway viaduct in the Vale of Glamorgan, Wales, notable for its impressive stone architecture and scenic setting within Porthkerry Country Park.
|
E487637
|
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: Porthkerry Viaduct | Statement: [Porthkerry Country Park, hasFeature, Porthkerry Viaduct]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Porthkerry Viaduct Context triple: [Porthkerry Country Park, hasFeature, Porthkerry Viaduct]
-
A.
Porthill Bridge
Porthill Bridge is a historic pedestrian suspension bridge in Shrewsbury, England, linking the town to the Porthill area across the River Severn.
-
B.
Kincardine Bridge
Kincardine Bridge is a road bridge over the River Forth in Scotland that serves as a key crossing point connecting Fife with the Central Belt road network.
-
C.
Boyne Viaduct
Boyne Viaduct is a historic 19th-century railway bridge in Drogheda, Ireland, renowned for its impressive multi-arch design and key role on the Dublin–Belfast rail line.
-
D.
Barmouth Bridge
Barmouth Bridge is a historic wooden viaduct carrying the railway across the Mawddach Estuary near Barmouth in Gwynedd, Wales.
-
E.
Carron Bridge
Carron Bridge is a historic crossing spanning the River Carron in Scotland, serving as a local transport link and notable landmark in the surrounding area.
- 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: Porthkerry Viaduct Triple: [Porthkerry Country Park, hasFeature, Porthkerry Viaduct]
Generated description
Porthkerry Viaduct is a historic multi-arched railway viaduct in the Vale of Glamorgan, Wales, notable for its impressive stone architecture and scenic setting within Porthkerry Country Park.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Porthkerry Viaduct Target entity description: Porthkerry Viaduct is a historic multi-arched railway viaduct in the Vale of Glamorgan, Wales, notable for its impressive stone architecture and scenic setting within Porthkerry Country Park.
-
A.
Porthill Bridge
Porthill Bridge is a historic pedestrian suspension bridge in Shrewsbury, England, linking the town to the Porthill area across the River Severn.
-
B.
Kincardine Bridge
Kincardine Bridge is a road bridge over the River Forth in Scotland that serves as a key crossing point connecting Fife with the Central Belt road network.
-
C.
Boyne Viaduct
Boyne Viaduct is a historic 19th-century railway bridge in Drogheda, Ireland, renowned for its impressive multi-arch design and key role on the Dublin–Belfast rail line.
-
D.
Barmouth Bridge
Barmouth Bridge is a historic wooden viaduct carrying the railway across the Mawddach Estuary near Barmouth in Gwynedd, Wales.
-
E.
Carron Bridge
Carron Bridge is a historic crossing spanning the River Carron in Scotland, serving as a local transport link and notable landmark in the surrounding area.
- 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_69bd4413f9908190afcff44d7929cc4c |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd7033c430819088e62f14979aa83c |
completed | March 20, 2026, 4:05 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be9c44e91881909513a679886cbdef |
completed | March 21, 2026, 1:25 p.m. |
| NEDg | Description generation | batch_69be9cdb00d88190832363821612ee1f |
completed | March 21, 2026, 1:27 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69be9d7e00f88190b2d12e872fadc181 |
completed | March 21, 2026, 1:30 p.m. |
Created at: March 20, 2026, 1:30 p.m.