Triple
T18297496
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Broadbottom |
E438270
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object | Broadbottom Viaduct |
—
|
NE NERFINISHED |
How this triple was built (3 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: Broadbottom Viaduct | Statement: [Broadbottom, hasLandmark, Broadbottom Viaduct]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Broadbottom Viaduct Context triple: [Broadbottom, hasLandmark, Broadbottom Viaduct]
-
A.
Stacksteads Viaduct
Stacksteads Viaduct is a historic multi-arch railway viaduct in Stacksteads, Lancashire, England, notable for carrying the former railway line across the River Irwell and the surrounding valley.
-
B.
Lechmere Viaduct
Lechmere Viaduct is a historic concrete arch bridge in Boston that carries MBTA Green Line trains across the Charles River between Boston and Cambridge.
-
C.
Crimple Valley Viaduct
Crimple Valley Viaduct is a historic multi-arch railway viaduct in North Yorkshire, England, notable for carrying the Harrogate–Leeds line across the Crimple Valley.
-
D.
Dent Head Viaduct
Dent Head Viaduct is a historic stone railway viaduct in Cumbria, England, carrying trains through the scenic Yorkshire Dales on the Settle–Carlisle line.
-
E.
Meldon Viaduct
Meldon Viaduct is a historic 19th-century wrought-iron railway viaduct in Devon, England, notable for its dramatic height and scenic setting above the West Okement River.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Broadbottom Viaduct Target entity description: Broadbottom Viaduct is a historic railway viaduct in Greater Manchester, England, notable for carrying the Manchester–Glossop line across the River Etherow.
-
A.
Stacksteads Viaduct
Stacksteads Viaduct is a historic multi-arch railway viaduct in Stacksteads, Lancashire, England, notable for carrying the former railway line across the River Irwell and the surrounding valley.
-
B.
Lechmere Viaduct
Lechmere Viaduct is a historic concrete arch bridge in Boston that carries MBTA Green Line trains across the Charles River between Boston and Cambridge.
-
C.
Crimple Valley Viaduct
Crimple Valley Viaduct is a historic multi-arch railway viaduct in North Yorkshire, England, notable for carrying the Harrogate–Leeds line across the Crimple Valley.
-
D.
Dent Head Viaduct
Dent Head Viaduct is a historic stone railway viaduct in Cumbria, England, carrying trains through the scenic Yorkshire Dales on the Settle–Carlisle line.
-
E.
Meldon Viaduct
Meldon Viaduct is a historic 19th-century wrought-iron railway viaduct in Devon, England, notable for its dramatic height and scenic setting above the West Okement River.
- F. None of above. chosen
Provenance (2 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_69d8b915e3e881909125d760c15d0c29 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e5017cc540819096c103a2c72315e6 |
completed | April 19, 2026, 4:23 p.m. |
Created at: April 10, 2026, 10:35 a.m.