Triple

T13260359
Position Surface form Disambiguated ID Type / Status
Subject Siemens P2000 light rail vehicles E315775 entity
Predicate usedOnLine P15252 FINISHED
Object Los Angeles Metro Blue Line E63109 NE FINISHED

How this triple was built (2 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: Los Angeles Metro Blue Line | Statement: [Siemens P2000 light rail vehicles, usedOnLine, Los Angeles Metro Blue Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Los Angeles Metro Blue Line
Context triple: [Siemens P2000 light rail vehicles, usedOnLine, Los Angeles Metro Blue Line]
  • A. Los Angeles Metro Green Line
    The Los Angeles Metro Green Line is an east–west light rail line in Los Angeles County that runs primarily along the median of the I-105 freeway, connecting Norwalk to Redondo Beach and serving as part of the Los Angeles Metro Rail system.
  • B. Los Angeles Metro Gold Line
    The Los Angeles Metro Gold Line is a light rail transit line in the Los Angeles County Metro Rail system that connects communities in the San Gabriel Valley and East Los Angeles to downtown Los Angeles.
  • C. LA Metro A Line chosen
    The LA Metro A Line is a light rail line in Los Angeles County that connects downtown Los Angeles with several surrounding communities, including Pasadena and Long Beach.
  • D. G Line (Los Angeles Metro)
    The G Line (Los Angeles Metro) is a bus rapid transit route in Los Angeles’ San Fernando Valley that runs primarily along dedicated busways, providing high-frequency east–west service.
  • E. Metro J Line
    The Metro J Line is a bus rapid transit service in Los Angeles County that provides high-frequency, limited-stop connections along key north-south and east-west corridors.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d806b1d9ac8190852c5571d5bd5f0f completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d98f778088819082b8a596c04bfe02 completed April 11, 2026, 12:01 a.m.
NED1 Entity disambiguation (via context triple) batch_69f74610b2c481909497296e999226e8 completed May 3, 2026, 12:56 p.m.
Created at: April 9, 2026, 9:25 p.m.