Triple

T5391169
Position Surface form Disambiguated ID Type / Status
Subject Downtown San Jose E120331 entity
Predicate plannedToBeServedBy P33500 FINISHED
Object BART Silicon Valley extension E393030 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: BART Silicon Valley extension | Statement: [Downtown San Jose, plannedToBeServedBy, BART Silicon Valley extension]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: BART Silicon Valley extension
Context triple: [Downtown San Jose, plannedToBeServedBy, BART Silicon Valley extension]
  • A. BART Silicon Valley extension chosen
    The BART Silicon Valley extension is a major Bay Area Rapid Transit project extending rail service into Santa Clara County, including new stations in San José and surrounding areas.
  • B. San Francisco Central Subway project
    The San Francisco Central Subway project is a major Muni Metro light rail extension in San Francisco designed to improve north–south transit connectivity by linking neighborhoods such as SoMa, Union Square, and Chinatown.
  • C. Altamont Corridor Express
    Altamont Corridor Express is a commuter rail service in Northern California that connects Central Valley communities with the San Francisco Bay Area.
  • D. BART Antioch–SFO+Millbrae line
    The BART Antioch–SFO+Millbrae line is a Bay Area Rapid Transit service that runs between Antioch in the East Bay and San Francisco International Airport and Millbrae, connecting suburban communities with major regional transit hubs.
  • E. BART Fremont line
    The BART Fremont line is a Bay Area Rapid Transit route in the San Francisco Bay Area that historically extended service to the city of Fremont in southern Alameda County.
  • 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: plannedToBeServedBy
Context triple: [Downtown San Jose, plannedToBeServedBy, BART Silicon Valley extension]
  • A. isServedOn
    Indicates that one item (typically food or drink) is presented or provided atop or together with a particular surface, container, or accompaniment.
  • B. intendedToServe chosen
    Indicates that one entity was designed, planned, or purposed specifically to benefit, assist, or fulfill the needs of another entity.
  • C. isServedAt
    Indicates that something (such as food, drink, or a service) is provided or made available at a particular place or venue.
  • D. typicallyServedAs
    Indicates that something is most commonly presented, used, or offered in a particular role, form, or function.
  • E. presentlyServedBy
    Indicates that an entity is currently being provided with service or attended to by another entity.
  • 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_69bd46354c648190a38b26f107010a96 completed March 20, 2026, 1:05 p.m.
NER Named-entity recognition batch_69bd87185f788190bd5244a1f7dbb5c8 completed March 20, 2026, 5:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf3366a0588190b1e5e48be86471fe completed March 22, 2026, 12:10 a.m.
PD Predicate disambiguation batch_69bd8463a9c88190bd760378f3026180 completed March 20, 2026, 5:31 p.m.
Created at: March 20, 2026, 2:04 p.m.