Triple
T13556367
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mill Hill Broadway |
E323783
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
Mill Hill Broadway viaduct
Mill Hill Broadway viaduct is a railway bridge structure in the Mill Hill Broadway area of north London, carrying tracks over the surrounding roads and urban landscape.
|
E1048488
|
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: Mill Hill Broadway viaduct | Statement: [Mill Hill Broadway, hasLandmark, Mill Hill Broadway viaduct]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mill Hill Broadway viaduct Context triple: [Mill Hill Broadway, hasLandmark, Mill Hill Broadway viaduct]
-
A.
Holborn Viaduct
Holborn Viaduct is a 19th-century iron and stone road bridge in central London that carries traffic over the valley of the River Fleet between Holborn and the City.
-
B.
Medway Viaducts
Medway Viaducts are a set of major bridges in Kent, England, carrying road and high-speed rail traffic across the River Medway as part of key national transport routes.
-
C.
Welwyn Viaduct
Welwyn Viaduct is a prominent 19th-century railway viaduct in Hertfordshire, England, known for its multiple brick arches carrying the East Coast Main Line across the River Mimram valley.
-
D.
Tinsley Viaduct
Tinsley Viaduct is a two-tier steel box-girder road bridge near Sheffield, England, notable for carrying the M1 motorway and local traffic across the Don Valley and adjacent waterways.
-
E.
Whalley Viaduct
Whalley Viaduct is a historic multi-arched railway bridge in Lancashire, England, notable for carrying the railway across the River Calder near the village of Whalley.
- 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: Mill Hill Broadway viaduct Triple: [Mill Hill Broadway, hasLandmark, Mill Hill Broadway viaduct]
Generated description
Mill Hill Broadway viaduct is a railway bridge structure in the Mill Hill Broadway area of north London, carrying tracks over the surrounding roads and urban landscape.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mill Hill Broadway viaduct Target entity description: Mill Hill Broadway viaduct is a railway bridge structure in the Mill Hill Broadway area of north London, carrying tracks over the surrounding roads and urban landscape.
-
A.
Holborn Viaduct
Holborn Viaduct is a 19th-century iron and stone road bridge in central London that carries traffic over the valley of the River Fleet between Holborn and the City.
-
B.
Medway Viaducts
Medway Viaducts are a set of major bridges in Kent, England, carrying road and high-speed rail traffic across the River Medway as part of key national transport routes.
-
C.
Welwyn Viaduct
Welwyn Viaduct is a prominent 19th-century railway viaduct in Hertfordshire, England, known for its multiple brick arches carrying the East Coast Main Line across the River Mimram valley.
-
D.
Tinsley Viaduct
Tinsley Viaduct is a two-tier steel box-girder road bridge near Sheffield, England, notable for carrying the M1 motorway and local traffic across the Don Valley and adjacent waterways.
-
E.
Whalley Viaduct
Whalley Viaduct is a historic multi-arched railway bridge in Lancashire, England, notable for carrying the railway across the River Calder near the village of Whalley.
- 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_69d8076830b48190910a902bae5888e2 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbaff3063c8190bd20149b3f7df352 |
completed | April 12, 2026, 2:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f76bb0195c8190b62e7aad4d78f899 |
completed | May 3, 2026, 3:37 p.m. |
| NEDg | Description generation | batch_69f778e8dbb88190bbdca0261c54c554 |
completed | May 3, 2026, 4:33 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f779877d048190a11e9bdef68c1f4b |
completed | May 3, 2026, 4:36 p.m. |
Created at: April 9, 2026, 9:47 p.m.