Triple

T9185083
Position Surface form Disambiguated ID Type / Status
Subject Powell & Market cable car turnaround E220436 entity
Predicate terminusOf P3375 FINISHED
Object Powell–Mason cable car line E109261 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: Powell–Mason cable car line | Statement: [Powell & Market cable car turnaround, terminusOf, Powell–Mason cable car line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Powell–Mason cable car line
Context triple: [Powell & Market cable car turnaround, terminusOf, Powell–Mason cable car line]
  • A. Powell-Mason cable car line chosen
    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.
  • B. Powell–Hyde cable car line
    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. Powell & Market cable car turnaround
    Powell & Market cable car turnaround is a major San Francisco cable car terminus and popular tourist spot where the historic cars are manually turned around at the end of the line.
  • D. Niles Canyon Railway
    Niles Canyon Railway is a historic heritage railroad in California that offers scenic train rides through Niles Canyon using vintage locomotives and cars.
  • E. Polybahn funicular
    The Polybahn funicular is a historic short funicular railway in Zürich that links the city center with the ETH Zürich university terrace.
  • 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_69d065d336a081909c092230e4a46f4e completed April 4, 2026, 1:13 a.m.
Created at: March 30, 2026, 7:24 p.m.