Triple

T14995120
Position Surface form Disambiguated ID Type / Status
Subject Cleveland RTA Red Line E373937 entity
Predicate primaryRollingStock P1305 FINISHED
Object Breda heavy rail cars
Breda heavy rail cars are electric multiple-unit subway vehicles built by the Italian manufacturer Breda for heavy rail transit systems such as Cleveland’s RTA Red Line.
E1131187 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: Breda heavy rail cars | Statement: [Cleveland RTA Red Line, primaryRollingStock, Breda heavy rail cars]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Breda heavy rail cars
Context triple: [Cleveland RTA Red Line, primaryRollingStock, Breda heavy rail cars]
  • A. 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.
  • B. MP-68 trains
    MP-68 trains are a class of rubber-tyred metro rolling stock that have operated on Mexico City’s Metro system since the late 1960s.
  • C. M6 railcar
    The M6 railcar is an electric multiple unit commuter train used by Metro-North Railroad, known for serving the New Haven Line between New York and Connecticut.
  • D. Adtranz–CAF EMU trains
    Adtranz–CAF EMU trains are electric multiple-unit passenger trains jointly built by Adtranz and CAF, commonly used for high-frequency airport rail services.
  • E. M4 railcar
    The M4 railcar is an electric multiple-unit passenger train used in commuter rail service, notably on lines such as the New Haven Line.
  • 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: Breda heavy rail cars
Triple: [Cleveland RTA Red Line, primaryRollingStock, Breda heavy rail cars]
Generated description
Breda heavy rail cars are electric multiple-unit subway vehicles built by the Italian manufacturer Breda for heavy rail transit systems such as Cleveland’s RTA Red Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Breda heavy rail cars
Target entity description: Breda heavy rail cars are electric multiple-unit subway vehicles built by the Italian manufacturer Breda for heavy rail transit systems such as Cleveland’s RTA Red Line.
  • A. 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.
  • B. MP-68 trains
    MP-68 trains are a class of rubber-tyred metro rolling stock that have operated on Mexico City’s Metro system since the late 1960s.
  • C. M6 railcar
    The M6 railcar is an electric multiple unit commuter train used by Metro-North Railroad, known for serving the New Haven Line between New York and Connecticut.
  • D. Adtranz–CAF EMU trains
    Adtranz–CAF EMU trains are electric multiple-unit passenger trains jointly built by Adtranz and CAF, commonly used for high-frequency airport rail services.
  • E. M4 railcar
    The M4 railcar is an electric multiple-unit passenger train used in commuter rail service, notably on lines such as the New Haven Line.
  • 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_69d85ccc84388190aa151e5173370c8d completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69ded716ebb481908224d2d4f7561b03 completed April 15, 2026, 12:08 a.m.
NED1 Entity disambiguation (via context triple) batch_69fe969a63f081908bf11783e2a51229 completed May 9, 2026, 2:06 a.m.
NEDg Description generation batch_69fe97609b3481908ed481f9f061b148 completed May 9, 2026, 2:09 a.m.
NED2 Entity disambiguation (via description) batch_69fe980155748190aef4ce876f985ef2 completed May 9, 2026, 2:12 a.m.
Created at: April 10, 2026, 2:53 a.m.