Triple

T8697983
Position Surface form Disambiguated ID Type / Status
Subject Isle of Man Railway E206448 entity
Predicate openedSection P28341 FINISHED
Object Douglas to Port Erin line
The Douglas to Port Erin line is a historic narrow-gauge steam railway route on the Isle of Man that connects the capital Douglas with the seaside town of Port Erin.
E750281 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: Douglas to Port Erin line | Statement: [Isle of Man Railway, openedSection, Douglas to Port Erin line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Douglas to Port Erin line
Context triple: [Isle of Man Railway, openedSection, Douglas to Port Erin line]
  • A. 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.
  • 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. Fair Head–Clew Bay Line
    The Fair Head–Clew Bay Line is a major geological lineament in Ireland that marks a significant structural and tectonic boundary within the island’s bedrock.
  • D. Whifflet Line
    The Whifflet Line is a suburban railway route in North Lanarkshire, Scotland, forming part of the Glasgow area rail network and serving communities such as Whifflet and Coatbridge.
  • 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: Douglas to Port Erin line
Triple: [Isle of Man Railway, openedSection, Douglas to Port Erin line]
Generated description
The Douglas to Port Erin line is a historic narrow-gauge steam railway route on the Isle of Man that connects the capital Douglas with the seaside town of Port Erin.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Douglas to Port Erin line
Target entity description: The Douglas to Port Erin line is a historic narrow-gauge steam railway route on the Isle of Man that connects the capital Douglas with the seaside town of Port Erin.
  • A. 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.
  • 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. Fair Head–Clew Bay Line
    The Fair Head–Clew Bay Line is a major geological lineament in Ireland that marks a significant structural and tectonic boundary within the island’s bedrock.
  • D. Whifflet Line
    The Whifflet Line is a suburban railway route in North Lanarkshire, Scotland, forming part of the Glasgow area rail network and serving communities such as Whifflet and Coatbridge.
  • 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_69ca83555b6c8190abe930dd397e863b completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc58af50408190a3b81100a759795e completed March 31, 2026, 11:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69cef4060410819086f928bda95e0273 completed April 2, 2026, 10:56 p.m.
NEDg Description generation batch_69cef5fe6e48819086186f44d078137d completed April 2, 2026, 11:04 p.m.
NED2 Entity disambiguation (via description) batch_69cef6aafad08190b983549727d7ac8a completed April 2, 2026, 11:07 p.m.
Created at: March 30, 2026, 6:34 p.m.