Triple

T9185085
Position Surface form Disambiguated ID Type / Status
Subject Powell & Market cable car turnaround E220436 entity
Predicate servedBySystem P8459 FINISHED
Object San Francisco cable car system E1416 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: San Francisco cable car system | Statement: [Powell & Market cable car turnaround, servedBySystem, San Francisco cable car system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: San Francisco cable car system
Context triple: [Powell & Market cable car turnaround, servedBySystem, San Francisco cable car system]
  • A. San Francisco cable car system chosen
    The San Francisco cable car system is a historic manually operated streetcar network and iconic symbol of the city, known for its steep routes and status as the world’s last permanently operational cable car system.
  • B. San Francisco Cable Car Museum
    The San Francisco Cable Car Museum is a historic institution in San Francisco that showcases the city’s iconic cable car system, featuring preserved cars, machinery, and exhibits on their engineering and history.
  • C. San Francisco Muni historic streetcars
    San Francisco Muni historic streetcars are a fleet of restored vintage streetcars from around the world that operate as regular public transit along San Francisco’s F-Market & Wharves and E-Embarcadero lines.
  • D. San Francisco International Airport AirTrain system
    The San Francisco International Airport AirTrain system is an automated people mover that transports passengers between airport terminals, parking garages, rental car facilities, and the Bay Area Rapid Transit (BART) station at SFO.
  • E. San Francisco Muni
    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.
  • 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_69ca83e6d77c81909862b7afef56b1bf completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69ccc318d5c081908c50b56e5783ea38 completed April 1, 2026, 7:02 a.m.
NED1 Entity disambiguation (via context triple) batch_69d05c19635c81908ad2cf07f5ad813c completed April 4, 2026, 12:32 a.m.
Created at: March 30, 2026, 7:24 p.m.