Triple

T9391904
Position Surface form Disambiguated ID Type / Status
Subject Chatsworth, Los Angeles, California, United States E226044 entity
Predicate servedBy P82 FINISHED
Object Metrolink Ventura County Line E201527 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 Ventura County Line | Statement: [Chatsworth, Los Angeles, California, United States, servedBy, Metrolink Ventura County Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metrolink Ventura County Line
Context triple: [Chatsworth, Los Angeles, California, United States, servedBy, Metrolink Ventura County Line]
  • A. Metrolink Ventura County Line chosen
    Metrolink Ventura County Line is a Southern California commuter rail route connecting Los Angeles with Ventura County communities, including Oxnard.
  • B. Metrolink Antelope Valley Line
    The Metrolink Antelope Valley Line is a Southern California commuter rail route that connects Los Angeles with communities in the Antelope Valley, including Lancaster and Palmdale.
  • C. 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.
  • D. 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.
  • 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 (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_69ca842f7e3481908bf5bcf52e032dbd completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd510eae0c8190b7c4ab487a366bb3 completed April 1, 2026, 5:08 p.m.
NED1 Entity disambiguation (via context triple) batch_69d12ccfdf8c819092f2aa1ebe48ac83 completed April 4, 2026, 3:22 p.m.
Created at: March 30, 2026, 7:45 p.m.