Triple

T7853984
Position Surface form Disambiguated ID Type / Status
Subject Riverside–San Bernardino–Ontario metropolitan area E182124 entity
Predicate commuterRailService P14525 FINISHED
Object Metrolink (Southern California) E203639 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: Metrolink (Southern California) | Statement: [Riverside–San Bernardino–Ontario metropolitan area, commuterRailService, Metrolink (Southern California)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Metrolink (Southern California)
Context triple: [Riverside–San Bernardino–Ontario metropolitan area, commuterRailService, Metrolink (Southern California)]
  • A. 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.
  • B. 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.
  • C. Metrolink Inland Empire–Orange County Line
    The Metrolink Inland Empire–Orange County Line is a Southern California commuter rail route connecting cities in the Inland Empire with destinations in Orange County and beyond.
  • D. Metrolink Ventura County Line
    Metrolink Ventura County Line is a Southern California commuter rail route connecting Los Angeles with Ventura County communities, including Oxnard.
  • E. Metrolink Orange County Line
    The Metrolink Orange County Line is a Southern California commuter rail route that connects Los Angeles with cities in Orange County and northern San Diego County.
  • 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_69ca82869ee08190b8f9040dbc2c0467 completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cb1a72cfdc8190a3186c4c2894f571 completed March 31, 2026, 12:50 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc639e0fd48190af995cb50f4555ff completed April 1, 2026, 12:15 a.m.
Created at: March 30, 2026, 4:51 p.m.