Triple

T20728747
Position Surface form Disambiguated ID Type / Status
Subject Perris–South station E509508 entity
Predicate partOfProject P10 FINISHED
Object Perris Valley Line extension 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: Perris Valley Line extension | Statement: [Perris–South station, partOfProject, Perris Valley Line extension]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Perris Valley Line extension
Context triple: [Perris–South station, partOfProject, Perris Valley Line extension]
  • A. Perris Valley extension chosen
    Perris Valley extension is a southern California commuter rail corridor added to Metrolink’s 91/Perris Valley Line to expand service into the Perris Valley area.
  • B. Red Line Valley extension
    Red Line Valley extension is the segment of Los Angeles Metro’s Red Line subway that was built to extend service into the San Fernando Valley, terminating in North Hollywood.
  • C. Eastside Extension corridor
    The Eastside Extension corridor is a light rail transit corridor in East Los Angeles that carries Metro Rail service between downtown Los Angeles and several predominantly Latino eastside communities.
  • D. Foothill Extension corridor
    The Foothill Extension corridor is a segment of Los Angeles County’s light rail network that extends service eastward through the San Gabriel Valley, connecting additional suburban communities to the regional Metro Rail system.
  • E. Southwest LRT Green Line extension
    The Southwest LRT Green Line extension is a planned light rail transit project in the Minneapolis–Saint Paul metropolitan area that will expand the existing Green Line service to connect downtown Minneapolis with southwestern suburbs including Eden Prairie.
  • 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_69e0b4c4cc648190b45fda6e2b20af56 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c1eb5d44819082d9fa410e676d91 completed April 21, 2026, 12:16 a.m.
Created at: April 16, 2026, 12:30 p.m.