Triple

T18086510
Position Surface form Disambiguated ID Type / Status
Subject Lisburn railway station E432847 entity
Predicate onLine P1293 FINISHED
Object 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.
E1306070 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 railway line | Statement: [Lisburn railway station, onLine, Belfast–Portadown railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Belfast–Portadown railway line
Context triple: [Lisburn railway station, onLine, Belfast–Portadown railway line]
  • A. 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.
  • 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 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.
  • E. Belfast–Portrush rail service
    The Belfast–Portrush rail service is a passenger train route in Northern Ireland that connects Belfast with the coastal resort town of Portrush, serving several intermediate towns along the way.
  • 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 railway line
Triple: [Lisburn railway station, onLine, Belfast–Portadown railway line]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Belfast–Portadown railway line
Target entity description: 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.
  • A. 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.
  • 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 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.
  • E. Belfast–Portrush rail service
    The Belfast–Portrush rail service is a passenger train route in Northern Ireland that connects Belfast with the coastal resort town of Portrush, serving several intermediate towns along the way.
  • 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_69d8b907d05c819083cc3bd6021089e6 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4dd150ab88190864be2a722d214b8 completed April 19, 2026, 1:48 p.m.
NED1 Entity disambiguation (via context triple) batch_6a037c30d8d48190abe441e3b91f3e34 completed May 12, 2026, 7:14 p.m.
NEDg Description generation batch_6a037ccf2cb08190b5a2a6347a9e62a6 completed May 12, 2026, 7:17 p.m.
NED2 Entity disambiguation (via description) batch_6a037d46506c8190be9161580b29146d completed May 12, 2026, 7:19 p.m.
Created at: April 10, 2026, 10:27 a.m.