Triple

T14798205
Position Surface form Disambiguated ID Type / Status
Subject Birkenhead North railway station E347833 entity
Predicate preGroupingOperator P179 FINISHED
Object Wirral Railway
Wirral Railway was a former British railway company that operated local lines on the Wirral Peninsula, primarily serving commuter traffic around Birkenhead and the surrounding area before railway grouping.
E1120652 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: Wirral Railway | Statement: [Birkenhead North railway station, preGroupingOperator, Wirral Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Wirral Railway
Context triple: [Birkenhead North railway station, preGroupingOperator, Wirral Railway]
  • A. Wrexham–Bidston line
    The Wrexham–Bidston line is a regional railway route in Wales and England that connects Wrexham with Bidston on the Wirral, serving communities across the borderlands between the two countries.
  • B. Wirral Line
    The Wirral Line is a commuter rail line in the Merseyrail network serving Liverpool and the Wirral Peninsula via underground city-centre stations and tunnels under the River Mersey.
  • C. North Wales and Liverpool Railway
    The North Wales and Liverpool Railway was a 19th-century British railway company that operated routes linking North Wales with the port city of Liverpool.
  • D. Liverpool–Ormskirk line
    The Liverpool–Ormskirk line is a suburban rail route in Merseyside, England, connecting Liverpool with the town of Ormskirk as part of the Merseyrail network.
  • E. Liverpool and Bury Railway
    The Liverpool and Bury Railway was a 19th-century railway company in northwest England that developed a key route linking the port city of Liverpool with the industrial town of Bury.
  • 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: Wirral Railway
Triple: [Birkenhead North railway station, preGroupingOperator, Wirral Railway]
Generated description
Wirral Railway was a former British railway company that operated local lines on the Wirral Peninsula, primarily serving commuter traffic around Birkenhead and the surrounding area before railway grouping.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Wirral Railway
Target entity description: Wirral Railway was a former British railway company that operated local lines on the Wirral Peninsula, primarily serving commuter traffic around Birkenhead and the surrounding area before railway grouping.
  • A. Wrexham–Bidston line
    The Wrexham–Bidston line is a regional railway route in Wales and England that connects Wrexham with Bidston on the Wirral, serving communities across the borderlands between the two countries.
  • B. Wirral Line
    The Wirral Line is a commuter rail line in the Merseyrail network serving Liverpool and the Wirral Peninsula via underground city-centre stations and tunnels under the River Mersey.
  • C. North Wales and Liverpool Railway
    The North Wales and Liverpool Railway was a 19th-century British railway company that operated routes linking North Wales with the port city of Liverpool.
  • D. Liverpool–Ormskirk line
    The Liverpool–Ormskirk line is a suburban rail route in Merseyside, England, connecting Liverpool with the town of Ormskirk as part of the Merseyrail network.
  • E. Liverpool and Bury Railway
    The Liverpool and Bury Railway was a 19th-century railway company in northwest England that developed a key route linking the port city of Liverpool with the industrial town of Bury.
  • 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_69d822ea8b7c819097dfadf3d45545e6 completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69decd6131f08190885f1d27b4bfac7a completed April 14, 2026, 11:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69fe24c2cd848190bb0d8e4b5f7a489c completed May 8, 2026, 6 p.m.
NEDg Description generation batch_69fe264b234881909903ebfc1039ec72 completed May 8, 2026, 6:07 p.m.
NED2 Entity disambiguation (via description) batch_69fe26ca706881908fe0da780bd9f691 completed May 8, 2026, 6:09 p.m.
Created at: April 10, 2026, 1:31 a.m.