Triple

T21760426

Position	Surface form	Disambiguated ID	Type / Status
Subject	Birmingham New Street – Edinburgh Waverley	`E537148`	entity
Predicate	via	`P5680`	FINISHED
Object	Carstairs railway station	`—`	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: Carstairs railway station | Statement: [Birmingham New Street – Edinburgh Waverley, via, Carstairs railway station]

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

Target entity: Carstairs railway station
Context triple: [Birmingham New Street – Edinburgh Waverley, via, Carstairs railway station]

A. Broadstairs railway station
Broadstairs railway station is a coastal railway stop in Kent, England, serving the town of Broadstairs with regional and commuter rail services.
B. Stonehouse railway station
Stonehouse railway station is a small railway stop in Gloucestershire, England, serving the town of Stonehouse on the regional route between Gloucester and Swindon.
C. Carrog railway station
Carrog railway station is a preserved heritage railway station in Denbighshire, Wales, serving as one of the stops on the volunteer-run Llangollen Railway.
D. Stonegate railway station
Stonegate railway station is a small rural stop in East Sussex, England, served by trains on the Tonbridge–Hastings line.
E. Consall railway station
Consall railway station is a preserved rural station in Staffordshire, England, serving heritage trains on the Churnet Valley Railway.
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: Carstairs railway station
Target entity description: Carstairs railway station is a key junction on the West Coast Main Line in South Lanarkshire, Scotland, where routes between England and central Scotland diverge.

A. Broadstairs railway station
Broadstairs railway station is a coastal railway stop in Kent, England, serving the town of Broadstairs with regional and commuter rail services.
B. Stonehouse railway station
Stonehouse railway station is a small railway stop in Gloucestershire, England, serving the town of Stonehouse on the regional route between Gloucester and Swindon.
C. Carrog railway station
Carrog railway station is a preserved heritage railway station in Denbighshire, Wales, serving as one of the stops on the volunteer-run Llangollen Railway.
D. Stonegate railway station
Stonegate railway station is a small rural stop in East Sussex, England, served by trains on the Tonbridge–Hastings line.
E. Consall railway station
Consall railway station is a preserved rural station in Staffordshire, England, serving heritage trains on the Churnet Valley Railway.
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_69e0c46f5d1c8190bf830409e98464e5`	completed	April 16, 2026, 11:13 a.m.
NER	Named-entity recognition	`batch_69f01d91e9788190a11d0295306e78a4`	completed	April 28, 2026, 2:38 a.m.

Created at: April 16, 2026, 6:50 p.m.