Triple

T18983056
Position Surface form Disambiguated ID Type / Status
Subject San Carlos Caltrain station E464478 entity
Predicate fareSystem P395 FINISHED
Object Caltrain fare zones — NE NERFINISHED

How this triple was built (3 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: Caltrain fare zones | Statement: [San Carlos Caltrain station, fareSystem, Caltrain fare zones]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Caltrain fare zones
Context triple: [San Carlos Caltrain station, fareSystem, Caltrain fare zones]
  • A. Caltrain Zone 2
    Caltrain Zone 2 is a fare zone in the Caltrain commuter rail system covering a segment of the San Francisco Peninsula that includes stations such as Hillsdale.
  • B. Caltrain Zone 6
    Caltrain Zone 6 is the southernmost fare zone in the Caltrain commuter rail system, covering the Gilroy area in Santa Clara County, California.
  • C. Caltrain Zone 4
    Caltrain Zone 4 is one of the fare zones in the Caltrain commuter rail system used to determine ticket prices for travel to and from stations such as Santa Clara.
  • D. Caltrain stations
    Caltrain stations are commuter rail stops along the San Francisco Peninsula and South Bay that serve as key transit hubs connecting cities between San Francisco and Gilroy.
  • E. Metrolink fare zones
    Metrolink fare zones are the concentric pricing areas used to calculate ticket costs across Greater Manchester’s Metrolink tram network.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Caltrain fare zones
Target entity description: Caltrain fare zones are the distance-based pricing areas used to determine ticket costs across the Caltrain commuter rail system in the San Francisco Bay Area.
  • A. Caltrain Zone 2
    Caltrain Zone 2 is a fare zone in the Caltrain commuter rail system covering a segment of the San Francisco Peninsula that includes stations such as Hillsdale.
  • B. Caltrain Zone 6
    Caltrain Zone 6 is the southernmost fare zone in the Caltrain commuter rail system, covering the Gilroy area in Santa Clara County, California.
  • C. Caltrain Zone 4
    Caltrain Zone 4 is one of the fare zones in the Caltrain commuter rail system used to determine ticket prices for travel to and from stations such as Santa Clara.
  • D. Caltrain stations
    Caltrain stations are commuter rail stops along the San Francisco Peninsula and South Bay that serve as key transit hubs connecting cities between San Francisco and Gilroy.
  • E. Metrolink fare zones
    Metrolink fare zones are the concentric pricing areas used to calculate ticket costs across Greater Manchester’s Metrolink tram network.
  • F. None of above. chosen

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_69d8dd008af48190a97ff1c6488edf1b completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5d65de6288190a53a3fdd59013d2d completed April 20, 2026, 7:31 a.m.
Created at: April 10, 2026, 12:01 p.m.