Triple

T8865572
Position Surface form Disambiguated ID Type / Status
Subject Expo/Crenshaw station E211009 entity
Predicate railSystem P522 FINISHED
Object Los Angeles Metro Rail E11277 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 Rail | Statement: [Expo/Crenshaw station, railSystem, Los Angeles Metro Rail]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Los Angeles Metro Rail
Context triple: [Expo/Crenshaw station, railSystem, Los Angeles Metro Rail]
  • A. Los Angeles Metro Rail chosen
    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.
  • B. 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.
  • C. L Line (Los Angeles Metro)
    The L Line was a light rail route in the Los Angeles Metro Rail system that connected East Los Angeles and the San Gabriel Valley to downtown and northeast Los Angeles before being restructured into other lines.
  • D. Crenshaw/LAX Line
    The Crenshaw/LAX Line, now known as the Metro K Line, is a Los Angeles Metro Rail light rail route serving the Crenshaw Corridor and providing key transit access to the area around Los Angeles International Airport.
  • E. 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.
  • 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_69ca838d3c7c8190a849566d5afd2b11 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc6106d41081909db710bda8aaf6fd completed April 1, 2026, 12:04 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfa015416c8190acd737390a7c231a completed April 3, 2026, 11:10 a.m.
Created at: March 30, 2026, 6:51 p.m.