Triple

T3715913
Position Surface form Disambiguated ID Type / Status
Subject E Line (Los Angeles Metro) E81528 entity
Predicate hasStation P35 FINISHED
Object Expo Park/USC station E314748 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 Park/USC station | Statement: [E Line (Los Angeles Metro), hasStation, Expo Park/USC station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Expo Park/USC station
Context triple: [E Line (Los Angeles Metro), hasStation, Expo Park/USC station]
  • A. Metro Expo Park/USC station chosen
    Metro Expo Park/USC station is a Los Angeles Metro Rail station on the E Line that serves the University of Southern California and the Exposition Park museum and sports complex.
  • B. Expo/Sepulveda station
    Expo/Sepulveda station is an elevated Los Angeles Metro Rail stop in West Los Angeles serving the E Line near the intersection of Sepulveda Boulevard and Exposition Boulevard.
  • C. Expo/La Brea station
    Expo/La Brea station is an at-grade light rail stop in Los Angeles serving the E Line, located near the intersection of Exposition and La Brea Avenues in the West Adams area.
  • D. Santa Monica Downtown station
    Santa Monica Downtown station is a light rail transit stop in downtown Santa Monica that serves as the western terminus of Los Angeles Metro Rail’s E Line near the Pacific Ocean.
  • E. Long Beach Transit Mall station
    Long Beach Transit Mall station is a light rail stop in downtown Long Beach, California, serving as a key terminus and transfer point on Los Angeles Metro Rail’s A Line.
  • 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_69ad8b1a81588190b3f27a5483bb610e completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69adc9cf77dc819098979094172d82d1 completed March 8, 2026, 7:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5120d23f481908f71e291c089505c completed March 14, 2026, 7:45 a.m.
Created at: March 8, 2026, 3:33 p.m.