Triple

T16988047
Position Surface form Disambiguated ID Type / Status
Subject Glenfinnan railway station E412120 entity
Predicate openedBy P421 FINISHED
Object Mallaig Extension Railway
The Mallaig Extension Railway is a historic Scottish railway line built as a western extension of the West Highland Line to connect Fort William with the fishing port of Mallaig, famed today for its scenic coastal and Highland landscapes.
E1244939 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: Mallaig Extension Railway | Statement: [Glenfinnan railway station, openedBy, Mallaig Extension Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mallaig Extension Railway
Context triple: [Glenfinnan railway station, openedBy, Mallaig Extension Railway]
  • A. Fairbourne Railway
    Fairbourne Railway is a historic narrow-gauge heritage railway in Fairbourne, Wales, known for its scenic coastal route and tourist steam trains.
  • B. Kinleith Branch railway line
    The Kinleith Branch railway line is a New Zealand rail line in the Waikato region that primarily serves freight traffic, especially from the Kinleith pulp and paper mill, connecting it to the national rail network.
  • C. Portpatrick Railway
    Portpatrick Railway was a 19th-century Scottish railway company that developed lines in southwest Scotland, including the route serving Stranraer.
  • D. Shotts Line
    The Shotts Line is a railway route in Scotland that connects Glasgow and Edinburgh via Shotts, serving towns and communities across North Lanarkshire and West Lothian.
  • E. Talyllyn Railway
    Talyllyn Railway is a historic narrow-gauge heritage railway in Wales, renowned as the world’s first preserved railway to be operated primarily by volunteers.
  • 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: Mallaig Extension Railway
Triple: [Glenfinnan railway station, openedBy, Mallaig Extension Railway]
Generated description
The Mallaig Extension Railway is a historic Scottish railway line built as a western extension of the West Highland Line to connect Fort William with the fishing port of Mallaig, famed today for its scenic coastal and Highland landscapes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mallaig Extension Railway
Target entity description: The Mallaig Extension Railway is a historic Scottish railway line built as a western extension of the West Highland Line to connect Fort William with the fishing port of Mallaig, famed today for its scenic coastal and Highland landscapes.
  • A. Fairbourne Railway
    Fairbourne Railway is a historic narrow-gauge heritage railway in Fairbourne, Wales, known for its scenic coastal route and tourist steam trains.
  • B. Kinleith Branch railway line
    The Kinleith Branch railway line is a New Zealand rail line in the Waikato region that primarily serves freight traffic, especially from the Kinleith pulp and paper mill, connecting it to the national rail network.
  • C. Portpatrick Railway
    Portpatrick Railway was a 19th-century Scottish railway company that developed lines in southwest Scotland, including the route serving Stranraer.
  • D. Shotts Line
    The Shotts Line is a railway route in Scotland that connects Glasgow and Edinburgh via Shotts, serving towns and communities across North Lanarkshire and West Lothian.
  • E. Talyllyn Railway
    Talyllyn Railway is a historic narrow-gauge heritage railway in Wales, renowned as the world’s first preserved railway to be operated primarily by volunteers.
  • 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_69d886ca8f348190812768ea8d5055ce completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3d27cd2048190800a60ae653e11e1 completed April 18, 2026, 6:50 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00dc12e308819093e7f8933cdd6ba9 completed May 10, 2026, 7:27 p.m.
NEDg Description generation batch_6a0114d5aeb0819086f1a5d279ac0d0f completed May 10, 2026, 11:29 p.m.
NED2 Entity disambiguation (via description) batch_6a0115c967b0819088e2335fd45d755b completed May 10, 2026, 11:33 p.m.
Created at: April 10, 2026, 5:32 a.m.