Triple

T20530675
Position Surface form Disambiguated ID Type / Status
Subject Los Angeles–Seattle rail corridor E504057 entity
Predicate majorStation P1071 FINISHED
Object Sacramento Valley Station — 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: Sacramento Valley Station | Statement: [Los Angeles–Seattle rail corridor, majorStation, Sacramento Valley Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sacramento Valley Station
Context triple: [Los Angeles–Seattle rail corridor, majorStation, Sacramento Valley Station]
  • A. Sacramento Valley Station chosen
    Sacramento Valley Station is the main intercity and commuter rail hub in Sacramento, California, serving Amtrak and regional transit services.
  • B. Castro Valley station
    Castro Valley station is a Bay Area Rapid Transit (BART) station in Castro Valley, California, serving as a regional commuter rail stop in the East Bay.
  • C. San Joaquín station
    San Joaquín station is a stop on Santiago, Chile’s Metro system serving the Line 5 corridor in the city’s southeastern area.
  • D. Sunnyvale Station
    Sunnyvale Station is a commuter rail station in Sunnyvale, California, serving Caltrain passengers along the San Francisco Peninsula.
  • E. Riverside–La Sierra station
    Riverside–La Sierra station is a commuter rail station in Riverside, California, serving Metrolink passengers traveling within the Inland Empire and to Orange County.
  • 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_69e0b4b3a6e08190ae663701f50fab8e completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6a06b923c81908ba24be6645a7c61 completed April 20, 2026, 9:53 p.m.
Created at: April 16, 2026, 11:37 a.m.