Triple

T10112363
Position Surface form Disambiguated ID Type / Status
Subject Belfast–Derry railway line E218269 entity
Predicate alsoKnownAs P39 FINISHED
Object Belfast–Londonderry railway line E218269 NE FINISHED

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–Londonderry railway line | Statement: [Belfast–Derry railway line, alsoKnownAs, Belfast–Londonderry railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Belfast–Londonderry railway line
Context triple: [Belfast–Derry railway line, alsoKnownAs, Belfast–Londonderry railway line]
  • A. Belfast–Derry railway line chosen
    The Belfast–Derry railway line is a key Northern Ireland Railways route connecting Belfast with the city of Derry/Londonderry through several intermediate towns.
  • B. Belfast–Dublin railway line
    The Belfast–Dublin railway line is a major intercity rail corridor linking the capitals of Northern Ireland and the Republic of Ireland, serving key towns and cities along the east coast.
  • C. Belfast–Bangor line
    The Belfast–Bangor line is a key suburban railway route in Northern Ireland connecting the city of Belfast with the coastal town of Bangor.
  • D. Belfast–Larne line
    The Belfast–Larne line is a railway route in Northern Ireland connecting Belfast to the port town of Larne, historically operated by the Northern Counties Committee and important for both passenger and ferry-linked traffic.
  • E. Belfast–Coleraine rail service
    The Belfast–Coleraine rail service is a Northern Ireland Railways passenger route linking Belfast with the north coast town of Coleraine, serving intermediate stations such as Ballymena.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca83da93fc8190b54e44bc2b34857c completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69cdd15d1fd081908c6f6b021e3999da completed April 2, 2026, 2:15 a.m.
NED1 Entity disambiguation (via context triple) batch_69d32aa5032081909b2aab2f8eb4c4a7 completed April 6, 2026, 3:38 a.m.
Created at: March 30, 2026, 9:03 p.m.