Triple

T5750444
Position Surface form Disambiguated ID Type / Status
Subject Red Line (Los Angeles Metro) E126838 entity
Predicate rollingStock P1305 FINISHED
Object Breda A650
The Breda A650 is a heavy-rail rapid transit car used by the Los Angeles Metro system, notable for serving lines such as the Red Line in its subway network.
E543599 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 A650 | Statement: [Red Line (Los Angeles Metro), rollingStock, Breda A650]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Breda A650
Context triple: [Red Line (Los Angeles Metro), rollingStock, Breda A650]
  • A. Neoplan
    Neoplan is a German bus and coach manufacturer renowned for its innovative, high-end touring and city buses.
  • B. Fiat 126
    The Fiat 126 is a small, rear-engined city car produced by the Italian manufacturer Fiat from the early 1970s, widely known as an affordable people's car in several European countries, especially Poland.
  • C. Fiat 600
    The Fiat 600 is a compact, rear-engined city car introduced in the mid-1950s that became one of Italy’s most iconic and influential postwar economy vehicles.
  • D. Biqueli
    Biqueli is a small coastal settlement on Atauro Island in East Timor, known for its fishing community and proximity to coral reefs.
  • E. Benz Velo
    The Benz Velo was one of the world’s first production automobiles, a lightweight, mass-produced car introduced by the German manufacturer Benz & Cie. in the late 19th century.
  • 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 A650
Triple: [Red Line (Los Angeles Metro), rollingStock, Breda A650]
Generated description
The Breda A650 is a heavy-rail rapid transit car used by the Los Angeles Metro system, notable for serving lines such as the Red Line in its subway network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Breda A650
Target entity description: The Breda A650 is a heavy-rail rapid transit car used by the Los Angeles Metro system, notable for serving lines such as the Red Line in its subway network.
  • A. Neoplan
    Neoplan is a German bus and coach manufacturer renowned for its innovative, high-end touring and city buses.
  • B. Fiat 126
    The Fiat 126 is a small, rear-engined city car produced by the Italian manufacturer Fiat from the early 1970s, widely known as an affordable people's car in several European countries, especially Poland.
  • C. Fiat 600
    The Fiat 600 is a compact, rear-engined city car introduced in the mid-1950s that became one of Italy’s most iconic and influential postwar economy vehicles.
  • D. Biqueli
    Biqueli is a small coastal settlement on Atauro Island in East Timor, known for its fishing community and proximity to coral reefs.
  • E. Benz Velo
    The Benz Velo was one of the world’s first production automobiles, a lightweight, mass-produced car introduced by the German manufacturer Benz & Cie. in the late 19th century.
  • 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_69c00832aedc81909899801b141fa3b4 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c0288a0ea8819091ac6f965471ceee completed March 22, 2026, 5:36 p.m.
NED1 Entity disambiguation (via context triple) batch_69c07e358d908190a37e5df89df3aedc completed March 22, 2026, 11:41 p.m.
NEDg Description generation batch_69c089020764819090a1927c65f9e870 completed March 23, 2026, 12:27 a.m.
NED2 Entity disambiguation (via description) batch_69c0897b75e481909adc413fa73e9496 completed March 23, 2026, 12:29 a.m.
Created at: March 22, 2026, 3:48 p.m.