Triple
T21061184
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Holborn Viaduct station |
E518849
|
entity |
| Predicate | locatedUnder |
P10157
|
FINISHED |
| Object | Holborn Viaduct road bridge |
—
|
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 road bridge | Statement: [Holborn Viaduct station, locatedUnder, Holborn Viaduct road bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Holborn Viaduct road bridge Context triple: [Holborn Viaduct station, locatedUnder, Holborn Viaduct road bridge]
-
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.
Coggeshall Street Bridge
Coggeshall Street Bridge is a roadway bridge spanning the Acushnet River in Massachusetts, carrying Coggeshall Street between New Bedford and Fairhaven.
-
C.
Epping Road bridge
The Epping Road bridge is a major road bridge in Sydney, Australia, carrying Epping Road across the Lane Cove River as part of a key arterial route on the city’s North Shore.
-
D.
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.
-
E.
Battersea Road Bridge
Battersea Road Bridge is an alternative name for Battersea Bridge, a historic road bridge spanning the River Thames in London.
- 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.