Triple

T15785310
Position Surface form Disambiguated ID Type / Status
Subject La Cienega/Jefferson station E382723 entity
Predicate formerLineName P17520 FINISHED
Object Expo Line (Los Angeles Metro) E810033 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: Expo Line (Los Angeles Metro) | Statement: [La Cienega/Jefferson station, formerLineName, Expo Line (Los Angeles Metro)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Expo Line (Los Angeles Metro)
Context triple: [La Cienega/Jefferson station, formerLineName, Expo Line (Los Angeles Metro)]
  • A. Expo Line (Los Angeles Metro) chosen
    The Expo Line (Los Angeles Metro), now known as the E Line, is a light rail route in Los Angeles that connects Downtown Los Angeles to Santa Monica, serving major Westside neighborhoods and destinations.
  • B. Expo Line
    The Expo Line is a major automated rapid transit line in Metro Vancouver’s SkyTrain system, connecting downtown Vancouver with key suburban centres in Burnaby, New Westminster, and Surrey.
  • C. 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.
  • D. Los Angeles Metro Rail
    Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
  • E. LA Metro A Line
    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.
  • 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_69d86da16e188190b89af699f1ed0bfe completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e05401c4788190a31c180953433db9 completed April 16, 2026, 3:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69ffa937f2a881908849fcded786905f completed May 9, 2026, 9:38 p.m.
Created at: April 10, 2026, 4:48 a.m.