Triple

T21658649
Position Surface form Disambiguated ID Type / Status
Subject Torosay Castle E534534 entity
Predicate hasRailConnection P848 FINISHED
Object Isle of Mull Railway (former narrow-gauge line)
The Isle of Mull Railway was a former narrow-gauge tourist railway on the Isle of Mull in Scotland, known for running scenic heritage trains between the ferry terminal at Craignure and the grounds of Torosay Castle.
 E1496060 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: Isle of Mull Railway (former narrow-gauge line) | Statement: [Torosay Castle, hasRailConnection, Isle of Mull Railway (former narrow-gauge line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Isle of Mull Railway (former narrow-gauge line)
Context triple: [Torosay Castle, hasRailConnection, Isle of Mull Railway (former narrow-gauge line)]
  • A. Kyle of Lochalsh railway line
    The Kyle of Lochalsh railway line is a scenic rural rail route in the Scottish Highlands running from Inverness to the west coast terminus at Kyle of Lochalsh, renowned for its dramatic landscapes and coastal views.
  • B. Loch Awe railway line
    The Loch Awe railway line is a scenic rail route in western Scotland that runs along the shores of Loch Awe, offering views of landmarks such as Ben Cruachan.
  • C. Portpatrick Railway
    Portpatrick Railway was a 19th-century Scottish railway company that developed lines in southwest Scotland, including the route serving Stranraer.
  • D. Keith and Dufftown Railway
    The Keith and Dufftown Railway is a preserved heritage railway in northeast Scotland that operates tourist trains along a scenic former branch line between the towns of Keith and Dufftown.
  • E. Leadhills and Wanlockhead Railway
    Leadhills and Wanlockhead Railway is a narrow-gauge heritage railway in South Lanarkshire, Scotland, preserving part of the former mineral line that once served the area’s historic lead-mining communities.
  • 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: Isle of Mull Railway (former narrow-gauge line)
Triple: [Torosay Castle, hasRailConnection, Isle of Mull Railway (former narrow-gauge line)]
Generated description
The Isle of Mull Railway was a former narrow-gauge tourist railway on the Isle of Mull in Scotland, known for running scenic heritage trains between the ferry terminal at Craignure and the grounds of Torosay Castle.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Isle of Mull Railway (former narrow-gauge line)
Target entity description: The Isle of Mull Railway was a former narrow-gauge tourist railway on the Isle of Mull in Scotland, known for running scenic heritage trains between the ferry terminal at Craignure and the grounds of Torosay Castle.
  • A. Kyle of Lochalsh railway line
    The Kyle of Lochalsh railway line is a scenic rural rail route in the Scottish Highlands running from Inverness to the west coast terminus at Kyle of Lochalsh, renowned for its dramatic landscapes and coastal views.
  • B. Loch Awe railway line
    The Loch Awe railway line is a scenic rail route in western Scotland that runs along the shores of Loch Awe, offering views of landmarks such as Ben Cruachan.
  • C. Portpatrick Railway
    Portpatrick Railway was a 19th-century Scottish railway company that developed lines in southwest Scotland, including the route serving Stranraer.
  • D. Keith and Dufftown Railway
    The Keith and Dufftown Railway is a preserved heritage railway in northeast Scotland that operates tourist trains along a scenic former branch line between the towns of Keith and Dufftown.
  • E. Leadhills and Wanlockhead Railway
    Leadhills and Wanlockhead Railway is a narrow-gauge heritage railway in South Lanarkshire, Scotland, preserving part of the former mineral line that once served the area’s historic lead-mining communities.
  • 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_69e0c467e1f48190af2650b19175abc4 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69ef6c05a8d881909f747635bdb4ef09 completed April 27, 2026, 2 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a159a54708190ab9477dbcf1bfb2a completed May 17, 2026, 7:23 p.m.
NEDg Description generation batch_6a0a17c8879881909f810d965ef41061 completed May 17, 2026, 7:32 p.m.
NED2 Entity disambiguation (via description) batch_6a0a1855a75c8190bd810d94637df913 completed May 17, 2026, 7:34 p.m.
Created at: April 16, 2026, 6:36 p.m.