Triple

T21199959
Position Surface form Disambiguated ID Type / Status
Subject San Francisco (Caltrain) E522427 entity
Predicate hasAdjacentStation P231 FINISHED
Object 22nd Street (Caltrain) — 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: 22nd Street (Caltrain) | Statement: [San Francisco (Caltrain), hasAdjacentStation, 22nd Street (Caltrain)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 22nd Street (Caltrain)
Context triple: [San Francisco (Caltrain), hasAdjacentStation, 22nd Street (Caltrain)]
  • A. 22nd Street
    22nd Street is a street that lends its name to the nearby 22nd Street station, serving as a local thoroughfare in its area.
  • B. 22nd Street station
    22nd Street station is an underground trolley stop in Center City Philadelphia serving SEPTA’s Subway–Surface Trolley Lines.
  • C. 22nd Street station
    22nd Street station is an elevated SkyTrain rapid transit station on Metro Vancouver’s Expo Line, serving the city of New Westminster in British Columbia, Canada.
  • D. 21st Street
    21st Street is a major north–south thoroughfare in Queens, New York City, running through neighborhoods such as Dutch Kills and connecting residential, commercial, and industrial areas.
  • E. North 22nd Street
    North 22nd Street is a north–south thoroughfare in Philadelphia, Pennsylvania, running through several neighborhoods and intersecting major east–west streets in the city.
  • 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: 22nd Street (Caltrain)
Target entity description: 22nd Street (Caltrain) is a commuter rail station in San Francisco serving Caltrain’s Peninsula corridor between San Francisco and San Jose.
  • A. 22nd Street
    22nd Street is a street that lends its name to the nearby 22nd Street station, serving as a local thoroughfare in its area.
  • B. 22nd Street station
    22nd Street station is an underground trolley stop in Center City Philadelphia serving SEPTA’s Subway–Surface Trolley Lines.
  • C. 22nd Street station
    22nd Street station is an elevated SkyTrain rapid transit station on Metro Vancouver’s Expo Line, serving the city of New Westminster in British Columbia, Canada.
  • D. 21st Street
    21st Street is a major north–south thoroughfare in Queens, New York City, running through neighborhoods such as Dutch Kills and connecting residential, commercial, and industrial areas.
  • E. North 22nd Street
    North 22nd Street is a north–south thoroughfare in Philadelphia, Pennsylvania, running through several neighborhoods and intersecting major east–west streets in the city.
  • 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_69e0b5112d8881909510b2dcdc93106d completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e7342fe3a08190b7ed2cadf60091a8 completed April 21, 2026, 8:24 a.m.
Created at: April 16, 2026, 3:18 p.m.