Triple

T16864616
Position Surface form Disambiguated ID Type / Status
Subject Jacobite steam train service E410006 entity
Predicate operator P179 FINISHED
Object West Coast Railways
West Coast Railways is a British charter train operator best known for running heritage and steam-hauled services, including the famous Jacobite route in Scotland.
 E1236533 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: West Coast Railways | Statement: [Jacobite steam train service, operator, West Coast Railways]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: West Coast Railways
Context triple: [Jacobite steam train service, operator, West Coast Railways]
  • A. Amtrak California
    Amtrak California is a state-supported intercity passenger rail program in California that oversees and brands several regional Amtrak routes, including the Capitol Corridor, San Joaquins, and Pacific Surfliner.
  • B. Metropolitan Intercity Railway Company
    Metropolitan Intercity Railway Company is a Japanese railway operator best known for running the Tsukuba Express line connecting central Tokyo with the Tsukuba area.
  • C. Great Southern Rail
    Great Southern Rail is an Australian long-distance passenger train operator best known for running iconic interstate services such as The Ghan and the Indian Pacific.
  • D. Amtrak
    Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
  • E. Union Railways
    Union Railways is a British rail infrastructure and development company known for its role in major UK rail projects and for employing civil engineer Sir John Armitt.
  • 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: West Coast Railways
Triple: [Jacobite steam train service, operator, West Coast Railways]
Generated description
West Coast Railways is a British charter train operator best known for running heritage and steam-hauled services, including the famous Jacobite route in Scotland.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: West Coast Railways
Target entity description: West Coast Railways is a British charter train operator best known for running heritage and steam-hauled services, including the famous Jacobite route in Scotland.
  • A. Amtrak California
    Amtrak California is a state-supported intercity passenger rail program in California that oversees and brands several regional Amtrak routes, including the Capitol Corridor, San Joaquins, and Pacific Surfliner.
  • B. Metropolitan Intercity Railway Company
    Metropolitan Intercity Railway Company is a Japanese railway operator best known for running the Tsukuba Express line connecting central Tokyo with the Tsukuba area.
  • C. Great Southern Rail
    Great Southern Rail is an Australian long-distance passenger train operator best known for running iconic interstate services such as The Ghan and the Indian Pacific.
  • D. Amtrak
    Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
  • E. Union Railways
    Union Railways is a British rail infrastructure and development company known for its role in major UK rail projects and for employing civil engineer Sir John Armitt.
  • 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_69d88395e6c88190b22730f335107c14 completed April 10, 2026, 4:59 a.m.
NER Named-entity recognition batch_69e3b506dd1c81909ab8006b6a1e2b7a completed April 18, 2026, 4:44 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00bb294c0481908306e1f604cc7404 completed May 10, 2026, 5:06 p.m.
NEDg Description generation batch_6a00bbd9260c8190be29ee8cb3e05f2c completed May 10, 2026, 5:09 p.m.
NED2 Entity disambiguation (via description) batch_6a00bc66dbc08190bd569ed2b355c99d completed May 10, 2026, 5:12 p.m.
Created at: April 10, 2026, 5:24 a.m.