Triple

T16228321
Position Surface form Disambiguated ID Type / Status
Subject Main Library (San Francisco Public Library) E393912 entity
Predicate publicTransitAccess P1288 FINISHED
Object Civic Center/UN Plaza BART station E134684 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: Civic Center/UN Plaza BART station | Statement: [Main Library (San Francisco Public Library), publicTransitAccess, Civic Center/UN Plaza BART station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Civic Center/UN Plaza BART station
Context triple: [Main Library (San Francisco Public Library), publicTransitAccess, Civic Center/UN Plaza BART station]
  • A. Civic Center/UN Plaza BART station chosen
    Civic Center/UN Plaza BART station is a major underground Bay Area Rapid Transit and Muni Metro hub serving San Francisco’s Civic Center area near City Hall and the United Nations Plaza.
  • B. El Cerrito Plaza BART station
    El Cerrito Plaza BART station is an East Bay Rapid Transit rail station in the San Francisco Bay Area that serves the communities of El Cerrito and nearby Albany, California.
  • C. Oakland City Center BART station
    Oakland City Center BART station is a rapid transit station in downtown Oakland, California, serving as a key hub on the Bay Area Rapid Transit system.
  • D. BART Embarcadero Station
    BART Embarcadero Station is a major underground transit hub in downtown San Francisco serving Bay Area Rapid Transit trains and connecting with Muni Metro light rail lines.
  • E. Fremont station (BART)
    Fremont station (BART) is a Bay Area Rapid Transit station in Fremont, California that historically served as the southern terminus of the system’s Fremont line before extension to Warm Springs/South Fremont.
  • 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_69d87f204df88190a8f88923decf9835 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e23d2785f88190ae80d5d61129d3e5 completed April 17, 2026, 2:01 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00079e83f08190a260751fd8b55eef completed May 10, 2026, 4:20 a.m.
Created at: April 10, 2026, 5:03 a.m.