Triple

T19898164

Position	Surface form	Disambiguated ID	Type / Status
Subject	Old Dee Bridge	`E478205`	entity
Predicate	isDownstreamOf	`P5956`	FINISHED
Object	Grosvenor Bridge	`—`	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: Grosvenor Bridge | Statement: [Old Dee Bridge, isDownstreamOf, Grosvenor Bridge]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Grosvenor Bridge
Context triple: [Old Dee Bridge, isDownstreamOf, Grosvenor Bridge]

A. Wellesley Bridge
Wellesley Bridge is a historic bridge in Limerick, Ireland, spanning the River Shannon and serving as a key connection within the city.
B. Plimsoll Bridge
Plimsoll Bridge is a road bridge in Bristol, England, best known for carrying traffic across the Cumberland Basin as part of the city’s harbourside road network.
C. Vauxhall Bridge
Vauxhall Bridge is a road and foot traffic bridge over the River Thames in central London, linking Vauxhall on the south bank with Pimlico on the north.
D. Hungerford Bridge
Hungerford Bridge is a central London railway bridge over the River Thames, flanked by the Golden Jubilee pedestrian bridges and linking Charing Cross station to the South Bank.
E. Regent Bridge
Regent Bridge is a historic 19th-century stone arch bridge in central Edinburgh, Scotland, forming part of the city’s key east–west route and framing views toward Calton Hill.
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: Grosvenor Bridge
Target entity description: Grosvenor Bridge is a historic stone arch road bridge over the River Dee in Chester, England, known for its 19th-century engineering and role in connecting the city across the river.

A. Wellesley Bridge
Wellesley Bridge is a historic bridge in Limerick, Ireland, spanning the River Shannon and serving as a key connection within the city.
B. Plimsoll Bridge
Plimsoll Bridge is a road bridge in Bristol, England, best known for carrying traffic across the Cumberland Basin as part of the city’s harbourside road network.
C. Vauxhall Bridge
Vauxhall Bridge is a road and foot traffic bridge over the River Thames in central London, linking Vauxhall on the south bank with Pimlico on the north.
D. Hungerford Bridge
Hungerford Bridge is a central London railway bridge over the River Thames, flanked by the Golden Jubilee pedestrian bridges and linking Charing Cross station to the South Bank.
E. Regent Bridge
Regent Bridge is a historic 19th-century stone arch bridge in central Edinburgh, Scotland, forming part of the city’s key east–west route and framing views toward Calton Hill.
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_69d8e520682081909892916424699bd5`	completed	April 10, 2026, 11:55 a.m.
NER	Named-entity recognition	`batch_69e6593ef8dc8190be5b64988eceafac`	completed	April 20, 2026, 4:50 p.m.

Created at: April 10, 2026, 1:52 p.m.