Triple

T13301480
Position Surface form Disambiguated ID Type / Status
Subject NI Railways E316821 entity
Predicate operatesService P5884 FINISHED
Object Belfast–Portadown line
The Belfast–Portadown line is a key railway route in Northern Ireland connecting Belfast with the town of Portadown and forming part of the region’s main intercity and commuter rail network.
E1038051 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: Belfast–Portadown line | Statement: [NI Railways, operatesService, Belfast–Portadown line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Belfast–Portadown line
Context triple: [NI Railways, operatesService, Belfast–Portadown line]
  • A. Belfast–Derry line
    The Belfast–Derry line is a major railway route in Northern Ireland linking Belfast with the city of Derry/Londonderry and serving numerous intermediate towns.
  • B. 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.
  • C. 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.
  • 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–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.
  • 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: Belfast–Portadown line
Triple: [NI Railways, operatesService, Belfast–Portadown line]
Generated description
The Belfast–Portadown line is a key railway route in Northern Ireland connecting Belfast with the town of Portadown and forming part of the region’s main intercity and commuter rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Belfast–Portadown line
Target entity description: The Belfast–Portadown line is a key railway route in Northern Ireland connecting Belfast with the town of Portadown and forming part of the region’s main intercity and commuter rail network.
  • A. Belfast–Derry line
    The Belfast–Derry line is a major railway route in Northern Ireland linking Belfast with the city of Derry/Londonderry and serving numerous intermediate towns.
  • B. 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.
  • C. 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.
  • 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–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.
  • 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_69d806b40ab4819094adf6c374f4811a completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d990a43ed88190a8dbbbd7d6d62dc4 completed April 11, 2026, 12:07 a.m.
NED1 Entity disambiguation (via context triple) batch_69f7305fd57881909c1d7f09f3c084cf completed May 3, 2026, 11:24 a.m.
NEDg Description generation batch_69f731b2794881909c55904842c6c9d6 completed May 3, 2026, 11:29 a.m.
NED2 Entity disambiguation (via description) batch_69f7320ee3108190bd8bc91d180c7cf4 completed May 3, 2026, 11:31 a.m.
Created at: April 9, 2026, 9:28 p.m.