Triple

T3578876
Position Surface form Disambiguated ID Type / Status
Subject Union Square/Market Street station E75752 entity
Predicate hasConnection P8776 FINISHED
Object San Francisco cable car Powell–Hyde line E43385 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 Powell–Hyde line | Statement: [Union Square/Market Street station, hasConnection, San Francisco cable car Powell–Hyde line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: San Francisco cable car Powell–Hyde line
Context triple: [Union Square/Market Street station, hasConnection, San Francisco cable car Powell–Hyde line]
  • A. San Francisco cable car system
    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. Powell–Hyde cable car line chosen
    The Powell–Hyde cable car line is one of San Francisco’s historic cable car routes, running from Market Street over Nob Hill and Russian Hill to the city’s northern waterfront near Fisherman’s Wharf.
  • C. Muni F-Market & Wharves line
    The Muni F-Market & Wharves line is a historic streetcar route in San Francisco that runs along Market Street and the Embarcadero, connecting downtown with popular waterfront destinations.
  • D. Powell-Mason cable car line
    The Powell-Mason cable car line is one of San Francisco’s historic cable car routes, carrying passengers between the bustling waterfront and the hilltop neighborhoods, including Nob Hill.
  • 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_69ad85d5e3008190bdfe0bacdd1f5a1b completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc0defe14819095a337a840e33300 completed March 8, 2026, 6:33 p.m.
NED1 Entity disambiguation (via context triple) batch_69b3bbc6bc948190a517639f5d79c0a3 completed March 13, 2026, 7:24 a.m.
Created at: March 8, 2026, 3:21 p.m.