Triple

T18086485
Position Surface form Disambiguated ID Type / Status
Subject Belfast–Dublin railway line E432846 entity
Predicate historicalOperator P2834 FINISHED
Object Great Northern Railway (Ireland) 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: Great Northern Railway (Ireland) | Statement: [Belfast–Dublin railway line, historicalOperator, Great Northern Railway (Ireland)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Great Northern Railway (Ireland)
Context triple: [Belfast–Dublin railway line, historicalOperator, Great Northern Railway (Ireland)]
  • A. Great Northern Railway (Ireland) chosen
    Great Northern Railway (Ireland) was a major cross-border railway company that operated key lines connecting cities in both Northern Ireland and the Republic of Ireland from the late 19th to the mid-20th century.
  • B. Great Western Railway (Ireland)
    Great Western Railway (Ireland) was a former Irish railway company that operated key routes in the west of Ireland during the 19th and early 20th centuries.
  • C. Belfast and Northern Counties Railway
    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.
  • D. Dublin–Galway railway line
    The Dublin–Galway railway line is a major intercity rail route in Ireland linking the capital city Dublin with the western city of Galway, serving multiple counties along its east–west corridor.
  • E. Dublin–Sligo railway line
    The Dublin–Sligo railway line is a major intercity rail route in Ireland linking the capital, Dublin, with the northwest town of Sligo and serving multiple counties along its path.
  • 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_69d8b907d05c819083cc3bd6021089e6 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4dd150ab88190864be2a722d214b8 completed April 19, 2026, 1:48 p.m.
Created at: April 10, 2026, 10:27 a.m.