Triple

T21079381
Position Surface form Disambiguated ID Type / Status
Subject Derry Central Railway E519318 entity
Predicate connectedWith P845 FINISHED
Object Belfast and Northern Counties Railway network at Macfin Junction — 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: Belfast and Northern Counties Railway network at Macfin Junction | Statement: [Derry Central Railway, connectedWith, Belfast and Northern Counties Railway network at Macfin Junction]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Belfast and Northern Counties Railway network at Macfin Junction
Context triple: [Derry Central Railway, connectedWith, Belfast and Northern Counties Railway network at Macfin Junction]
  • A. Ballymena, Cushendall and Red Bay Railway
    The Ballymena, Cushendall and Red Bay Railway was a narrow-gauge railway line in County Antrim, Northern Ireland, serving rural communities along the Antrim coast and inland from Ballymena.
  • B. Belfast–Portadown railway line
    The Belfast–Portadown railway line is a key rail corridor in Northern Ireland connecting Belfast with Portadown and serving major commuter towns such as Lisburn.
  • C. Belfast and County Down Railway
    The Belfast and County Down Railway was a former railway company in what is now Northern Ireland that operated lines radiating from Belfast into County Down during the late 19th and early 20th centuries.
  • D. Belfast and Northern Counties Railway chosen
    The Belfast and Northern Counties Railway was a former railway company in Northern Ireland that operated an extensive network in the north and northwest, linking Belfast with key towns and ports including Derry.
  • E. Belfast–Derry railway line
    The Belfast–Derry railway line is a key Northern Ireland Railways route connecting Belfast with the city of Derry/Londonderry through several intermediate towns.
  • 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_69e0b506e59c8190849b71ed07929215 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e702d939e08190a37d7b7cc1872ad5 completed April 21, 2026, 4:53 a.m.
Created at: April 16, 2026, 2:49 p.m.