Triple

T5226471
Position Surface form Disambiguated ID Type / Status
Subject Metrolink 91/Perris Valley Line E118000 entity
Predicate terminus P388 FINISHED
Object Riverside–Downtown station E503216 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: Riverside–Downtown station | Statement: [Metrolink 91/Perris Valley Line, terminus, Riverside–Downtown station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Riverside–Downtown station
Context triple: [Metrolink 91/Perris Valley Line, terminus, Riverside–Downtown station]
  • A. Riverside–Downtown station chosen
    Riverside–Downtown station is a major intermodal transit hub in Riverside, California, serving multiple Metrolink commuter rail lines and connecting bus services.
  • B. Riverside station
    Riverside station is a major Massachusetts Bay Transportation Authority light rail station and park-and-ride hub located in Newton, Massachusetts.
  • C. San Bernardino–Downtown station
    San Bernardino–Downtown station is a commuter rail and transit hub in downtown San Bernardino, California, serving Metrolink trains and local bus connections.
  • D. Civic Center/Grand Park station
    Civic Center/Grand Park station is an underground rapid transit station in downtown Los Angeles serving the Metro B Line and providing access to nearby government buildings and Grand Park.
  • E. Wilshire/Normandie station
    Wilshire/Normandie station is an underground Los Angeles Metro Rail station on the D Line serving the Koreatown and Wilshire Center neighborhoods.
  • 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_69bd4466fb8c819083b806a79414d7e4 completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd7adc9be081909903b9f844c3d146 completed March 20, 2026, 4:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf10c62888819082afe8d6ec6275a2 completed March 21, 2026, 9:42 p.m.
Created at: March 20, 2026, 1:48 p.m.