Triple

T16565891
Position Surface form Disambiguated ID Type / Status
Subject Balboa Park station E402458 entity
Predicate servesTransitOperator P111896 FINISHED
Object San Francisco Municipal Railway E23810 NE FINISHED

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: San Francisco Municipal Railway | Statement: [Balboa Park station, servesTransitOperator, San Francisco Municipal Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: San Francisco Municipal Railway
Context triple: [Balboa Park station, servesTransitOperator, San Francisco Municipal Railway]
  • A. San Francisco Muni chosen
    San Francisco Muni is the primary public transportation system in San Francisco, operating the city’s network of buses, light rail, historic streetcars, and cable cars.
  • B. Muni Metro
    Muni Metro is San Francisco’s light rail and streetcar system, forming a core part of the city’s public transit network.
  • C. San Francisco Bay Area Rapid Transit District
    The San Francisco Bay Area Rapid Transit District is the public agency that plans, funds, and oversees the Bay Area’s regional BART rail transit system.
  • D. San Francisco Municipal Transportation Agency
    The San Francisco Municipal Transportation Agency is the city department responsible for managing and operating San Francisco’s public transit, parking, traffic, and street infrastructure.
  • E. BART
    BART (Bay Area Rapid Transit) is a major rapid transit system serving the San Francisco Bay Area, linking cities like San Francisco, Oakland, and Berkeley with surrounding suburbs and regional transit networks.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: servesTransitOperator
Context triple: [Balboa Park station, servesTransitOperator, San Francisco Municipal Railway]
  • A. servesTransitFacility
    Indicates that one entity provides service or operational support to a transit facility, such as a station, stop, or terminal.
  • B. publicTransportOperatorFor chosen
    Indicates that one entity operates or manages public transportation services for another entity or area.
  • C. operatesTransitSystem
    Indicates that one entity manages and runs the public transportation network or services for another entity or area.
  • D. transportationServedBy
    Indicates that a transportation facility, route, or area is provided service or coverage by a specific transportation provider or mode.
  • E. appliesToTransitSystem
    Indicates that something (such as a rule, policy, feature, or condition) is relevant or applicable to a particular transit or transportation system.
  • F. None of above.

Provenance (4 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_69d8838648088190acf97ef11fc3f61b completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e357711ea481909468147375051bb4 completed April 18, 2026, 10:05 a.m.
NED1 Entity disambiguation (via context triple) batch_6a00bafe159c8190b66d2cd21b8ddb88 completed May 10, 2026, 5:06 p.m.
PD Predicate disambiguation batch_69e296a47b7481909d9958158510c806 completed April 17, 2026, 8:23 p.m.
Created at: April 10, 2026, 5:15 a.m.