Triple

T6708026
Position Surface form Disambiguated ID Type / Status
Subject London–Fort William E153056 entity
Predicate includesFacility P12416 FINISHED
Object lounge car
A lounge car is a comfortable passenger train carriage designed for relaxation and socializing, typically featuring spacious seating and large windows for scenic viewing.
E613733 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: lounge car | Statement: [London–Fort William, includesFacility, lounge car]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: lounge car
Context triple: [London–Fort William, includesFacility, lounge car]
  • A. Wagons-Lits restaurant cars
    Wagons-Lits restaurant cars were luxurious dining coaches operated by the Compagnie Internationale des Wagons-Lits, renowned for providing fine cuisine and elegant service on famous European express trains.
  • B. The Third-Class Carriage
    The Third-Class Carriage is a famous 19th-century painting by Honoré Daumier that poignantly depicts the hardships and dignity of working-class railway passengers.
  • C. Pullman sleeping car
    The Pullman sleeping car was a luxurious railroad passenger car introduced in the 19th century that provided comfortable overnight accommodations and helped transform long-distance train travel.
  • D. Aventra
    Aventra is a family of modern electric multiple-unit trains designed and built by Bombardier Transportation (now Alstom) for use on the UK rail network.
  • E. CAF Mark 5 sleeping coaches
    CAF Mark 5 sleeping coaches are modern, purpose-built overnight train carriages designed by Construcciones y Auxiliar de Ferrocarriles (CAF) to provide upgraded sleeper accommodation and amenities on long-distance services in the UK.
  • 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: lounge car
Triple: [London–Fort William, includesFacility, lounge car]
Generated description
A lounge car is a comfortable passenger train carriage designed for relaxation and socializing, typically featuring spacious seating and large windows for scenic viewing.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: lounge car
Target entity description: A lounge car is a comfortable passenger train carriage designed for relaxation and socializing, typically featuring spacious seating and large windows for scenic viewing.
  • A. Wagons-Lits restaurant cars
    Wagons-Lits restaurant cars were luxurious dining coaches operated by the Compagnie Internationale des Wagons-Lits, renowned for providing fine cuisine and elegant service on famous European express trains.
  • B. The Third-Class Carriage
    The Third-Class Carriage is a famous 19th-century painting by Honoré Daumier that poignantly depicts the hardships and dignity of working-class railway passengers.
  • C. Pullman sleeping car
    The Pullman sleeping car was a luxurious railroad passenger car introduced in the 19th century that provided comfortable overnight accommodations and helped transform long-distance train travel.
  • D. Aventra
    Aventra is a family of modern electric multiple-unit trains designed and built by Bombardier Transportation (now Alstom) for use on the UK rail network.
  • E. CAF Mark 5 sleeping coaches
    CAF Mark 5 sleeping coaches are modern, purpose-built overnight train carriages designed by Construcciones y Auxiliar de Ferrocarriles (CAF) to provide upgraded sleeper accommodation and amenities on long-distance services in the UK.
  • 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_69c68808d8d8819087369015270788fe completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d1049b7c8190a970a165d15b440b completed March 27, 2026, 6:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7008e6b308190a3d5db2bf4a469c4 completed March 27, 2026, 10:11 p.m.
NEDg Description generation batch_69c701be78cc8190a0848ea60908d129 completed March 27, 2026, 10:16 p.m.
NED2 Entity disambiguation (via description) batch_69c7021b27288190866aef500198479d completed March 27, 2026, 10:18 p.m.
Created at: March 27, 2026, 2:06 p.m.