Triple

T21804640
Position Surface form Disambiguated ID Type / Status
Subject Irish Rail Mark 3 derivative E538317 entity
Predicate replacedBy P101 FINISHED
Object CAF Mark 4 coaches
CAF Mark 4 coaches are modern intercity passenger rail carriages built by Construcciones y Auxiliar de Ferrocarriles for Ireland’s mainline services, featuring improved comfort, safety, and onboard amenities over their predecessors.
E1502197 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: CAF Mark 4 coaches | Statement: [Irish Rail Mark 3 derivative, replacedBy, CAF Mark 4 coaches]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: CAF Mark 4 coaches
Context triple: [Irish Rail Mark 3 derivative, replacedBy, CAF Mark 4 coaches]
  • A. 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.
  • B. MCI D-Series coaches
    MCI D-Series coaches are a line of long-distance, intercity motorcoaches manufactured by Motor Coach Industries and widely used by major bus operators across North America.
  • C. Amfleet II coaches
    Amfleet II coaches are long-distance passenger railcars used by Amtrak, known for their single-level design, enhanced seating comfort, and use on overnight and extended-route services in the United States.
  • D. Kawasaki bi-level coach
    The Kawasaki bi-level coach is a double-decker commuter rail passenger car built by Kawasaki Heavy Industries and widely used on systems such as the MBTA Commuter Rail to increase capacity.
  • E. Bombardier ICTS Mark I cars
    Bombardier ICTS Mark I cars are early-generation automated light rail vehicles that use linear induction motor technology and were widely deployed on medium-capacity urban transit lines such as Toronto’s Scarborough RT.
  • 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: CAF Mark 4 coaches
Triple: [Irish Rail Mark 3 derivative, replacedBy, CAF Mark 4 coaches]
Generated description
CAF Mark 4 coaches are modern intercity passenger rail carriages built by Construcciones y Auxiliar de Ferrocarriles for Ireland’s mainline services, featuring improved comfort, safety, and onboard amenities over their predecessors.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: CAF Mark 4 coaches
Target entity description: CAF Mark 4 coaches are modern intercity passenger rail carriages built by Construcciones y Auxiliar de Ferrocarriles for Ireland’s mainline services, featuring improved comfort, safety, and onboard amenities over their predecessors.
  • A. 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.
  • B. MCI D-Series coaches
    MCI D-Series coaches are a line of long-distance, intercity motorcoaches manufactured by Motor Coach Industries and widely used by major bus operators across North America.
  • C. Amfleet II coaches
    Amfleet II coaches are long-distance passenger railcars used by Amtrak, known for their single-level design, enhanced seating comfort, and use on overnight and extended-route services in the United States.
  • D. Kawasaki bi-level coach
    The Kawasaki bi-level coach is a double-decker commuter rail passenger car built by Kawasaki Heavy Industries and widely used on systems such as the MBTA Commuter Rail to increase capacity.
  • E. Bombardier ICTS Mark I cars
    Bombardier ICTS Mark I cars are early-generation automated light rail vehicles that use linear induction motor technology and were widely deployed on medium-capacity urban transit lines such as Toronto’s Scarborough RT.
  • 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_69e0c4733f4081909a86622e7e6d15d2 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69f07801fa8081909098d00947bf8f7f completed April 28, 2026, 9:04 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0a3e84e9008190beac0f734864fc21 completed May 17, 2026, 10:17 p.m.
NEDg Description generation batch_6a0a3f4358d48190a88208a55d19a9ef completed May 17, 2026, 10:20 p.m.
NED2 Entity disambiguation (via description) batch_6a0a404206e0819080c640619cd277ab completed May 17, 2026, 10:25 p.m.
Created at: April 16, 2026, 6:53 p.m.