Triple

T4721161

Position	Surface form	Disambiguated ID	Type / Status
Subject	Sheffield Supertram	`E104768`	entity
Predicate	connectsWith	`P37`	FINISHED
Object	Rotherham Central railway station Rotherham Central railway station is a main rail hub in Rotherham, South Yorkshire, providing regional and local train services and an interchange with the Sheffield Supertram network.	`E463096`	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: Rotherham Central railway station | Statement: [Sheffield Supertram, connectsWith, Rotherham Central railway station]

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

Target entity: Rotherham Central railway station
Context triple: [Sheffield Supertram, connectsWith, Rotherham Central railway station]

A. Todmorden railway station
Todmorden railway station is a railway station in West Yorkshire, England, serving the market town of Todmorden on routes between Manchester, Leeds, and other regional destinations.
B. Doncaster railway station
Doncaster railway station is a major railway hub in South Yorkshire, England, situated on the East Coast Main Line and serving as an important interchange for long-distance and regional services.
C. Manchester Central railway station
Manchester Central railway station was a prominent former mainline terminus in Manchester, England, historically serving as a key hub for Midland Railway services and later converted into an exhibition and conference centre.
D. Rochdale railway station
Rochdale railway station is a key regional rail hub in Greater Manchester, England, providing passenger services that connect the town of Rochdale with Manchester, Leeds, and other destinations across the North of England.
E. Wakefield station
Wakefield station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Wakefield, Massachusetts, serving the Haverhill Line north of Boston.
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: Rotherham Central railway station
Triple: [Sheffield Supertram, connectsWith, Rotherham Central railway station]

Generated description

Rotherham Central railway station is a main rail hub in Rotherham, South Yorkshire, providing regional and local train services and an interchange with the Sheffield Supertram network.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Rotherham Central railway station
Target entity description: Rotherham Central railway station is a main rail hub in Rotherham, South Yorkshire, providing regional and local train services and an interchange with the Sheffield Supertram network.

A. Todmorden railway station
Todmorden railway station is a railway station in West Yorkshire, England, serving the market town of Todmorden on routes between Manchester, Leeds, and other regional destinations.
B. Doncaster railway station
Doncaster railway station is a major railway hub in South Yorkshire, England, situated on the East Coast Main Line and serving as an important interchange for long-distance and regional services.
C. Manchester Central railway station
Manchester Central railway station was a prominent former mainline terminus in Manchester, England, historically serving as a key hub for Midland Railway services and later converted into an exhibition and conference centre.
D. Rochdale railway station
Rochdale railway station is a key regional rail hub in Greater Manchester, England, providing passenger services that connect the town of Rochdale with Manchester, Leeds, and other destinations across the North of England.
E. Wakefield station
Wakefield station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Wakefield, Massachusetts, serving the Haverhill Line north of Boston.
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_69bd43ec4a348190bc41afae43375e71`	completed	March 20, 2026, 12:56 p.m.
NER	Named-entity recognition	`batch_69bd642a1a808190afeefc9d65e6c539`	completed	March 20, 2026, 3:13 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69be108fe3b08190b3d306ca4b39860d`	completed	March 21, 2026, 3:29 a.m.
NEDg	Description generation	`batch_69be1182fee48190a01bd167a4adb21b`	completed	March 21, 2026, 3:33 a.m.
NED2	Entity disambiguation (via description)	`batch_69be11e0922481909563dca0422f10d1`	completed	March 21, 2026, 3:34 a.m.

Created at: March 20, 2026, 1:18 p.m.