Triple

T22393782
Position Surface form Disambiguated ID Type / Status
Subject Gateway Cities region of Los Angeles County E553576 entity
Predicate servedBy P82 FINISHED
Object Metrolink commuter rail lines — NE NERFINISHED

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: Metrolink commuter rail lines | Statement: [Gateway Cities region of Los Angeles County, servedBy, Metrolink commuter rail lines]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metrolink commuter rail lines
Context triple: [Gateway Cities region of Los Angeles County, servedBy, Metrolink commuter rail lines]
  • A. Metrolink commuter rail
    Metrolink commuter rail is a Southern California regional passenger rail system that connects the Inland Empire with Los Angeles and other surrounding counties.
  • B. Metrolink tram network
    The Metrolink tram network is Greater Manchester’s light rail system, providing extensive urban and suburban public transport connections across the city region.
  • C. Metrolink
    Metrolink is the light rail tram system serving Greater Manchester, England, connecting central Manchester with surrounding towns and key destinations across the metropolitan area.
  • D. Metrolink (Southern California) chosen
    Metrolink (Southern California) is a regional commuter rail system serving Los Angeles and surrounding counties, providing longer-distance transit connections across the Greater Los Angeles area.
  • E. Metrolink Riverside Line
    The Metrolink Riverside Line is a Southern California commuter rail route that links Riverside County with downtown Los Angeles, serving intermediate communities along the corridor.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e11e4cf87c8190a1ff474daec326b7 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f1585ce39c819082b62e7f2e297d9b completed April 29, 2026, 1:01 a.m.
Created at: April 16, 2026, 8:45 p.m.