Triple

T16470267
Position Surface form Disambiguated ID Type / Status
Subject Northern Ireland railways E400040 entity
Predicate hasPredecessor P97 FINISHED
Object Northern Ireland Railways Company Limited
Northern Ireland Railways Company Limited was a former state-owned railway operator in Northern Ireland that managed and ran the region’s passenger rail services before being succeeded by Northern Ireland Railways.
E400040 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: Northern Ireland Railways Company Limited | Statement: [Northern Ireland railways, hasPredecessor, Northern Ireland Railways Company Limited]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Northern Ireland Railways Company Limited
Context triple: [Northern Ireland railways, hasPredecessor, Northern Ireland Railways Company Limited]
  • A. 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.
  • 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. Great Northern Railway (Ireland)
    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.
  • D. Northern Ireland railways
    Northern Ireland railways comprise the network of passenger and freight railway lines operating within Northern Ireland, historically distinct from the rest of the UK system and now primarily managed by Translink’s NI Railways.
  • E. Ulster Transport Authority
    The Ulster Transport Authority was a government-owned body responsible for operating and overseeing public transport services, including railways and buses, in Northern Ireland from the late 1940s until the late 1960s.
  • 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: Northern Ireland Railways Company Limited
Triple: [Northern Ireland railways, hasPredecessor, Northern Ireland Railways Company Limited]
Generated description
Northern Ireland Railways Company Limited was a former state-owned railway operator in Northern Ireland that managed and ran the region’s passenger rail services before being succeeded by Northern Ireland Railways.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Northern Ireland Railways Company Limited
Target entity description: Northern Ireland Railways Company Limited was a former state-owned railway operator in Northern Ireland that managed and ran the region’s passenger rail services before being succeeded by Northern Ireland Railways.
  • A. 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.
  • 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. Great Northern Railway (Ireland)
    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.
  • D. Northern Ireland railways chosen
    Northern Ireland railways comprise the network of passenger and freight railway lines operating within Northern Ireland, historically distinct from the rest of the UK system and now primarily managed by Translink’s NI Railways.
  • E. Ulster Transport Authority
    The Ulster Transport Authority was a government-owned body responsible for operating and overseeing public transport services, including railways and buses, in Northern Ireland from the late 1940s until the late 1960s.
  • F. None of above.

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_69d87f2dac988190b74d6e185fa88ba4 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e32dcfed6c8190b8dbe4b65b0ab817 completed April 18, 2026, 7:08 a.m.
NED1 Entity disambiguation (via context triple) batch_6a004f5af4308190bd023624de35027f completed May 10, 2026, 9:26 a.m.
NEDg Description generation batch_6a0050c5d4548190a674c1c19f08a9fd completed May 10, 2026, 9:32 a.m.
NED2 Entity disambiguation (via description) batch_6a0051a7ae208190b33d42cc8d4bb21f completed May 10, 2026, 9:36 a.m.
Created at: April 10, 2026, 5:11 a.m.