Triple
T21061159
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Holborn Viaduct station |
E518849
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | Holborn Viaduct |
—
|
NE NERFINISHED |
How this triple was built (2 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: Holborn Viaduct | Statement: [Holborn Viaduct station, locatedOn, Holborn Viaduct]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Holborn Viaduct Context triple: [Holborn Viaduct station, locatedOn, Holborn Viaduct]
-
A.
Holborn Viaduct
chosen
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.
Dollis Brook Viaduct
Dollis Brook Viaduct is a railway viaduct in north London that carries the Northern line over Dollis Brook and is notable as one of the tallest structures on the London Underground network.
-
C.
Hammersmith Bridge
Hammersmith Bridge is a historic 19th-century suspension bridge in west London that carries traffic across the River Thames between Hammersmith and Barnes.
-
D.
Coggeshall Street Bridge
Coggeshall Street Bridge is a roadway bridge spanning the Acushnet River in Massachusetts, carrying Coggeshall Street between New Bedford and Fairhaven.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0b505ef108190b25dd4033e2ff7eb |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e6feaf3edc81909423e039cac6bd87 |
completed | April 21, 2026, 4:35 a.m. |
Created at: April 16, 2026, 2:38 p.m.