Triple

T1915117
Position Surface form Disambiguated ID Type / Status
Subject Powell Street terminal E39998 entity
Predicate alsoKnownAs P39 FINISHED
Object 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.
 E220436 NE FINISHED

How this triple was built (4 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 & Market cable car turnaround | Statement: [Powell Street terminal, alsoKnownAs, Powell & Market cable car turnaround]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Powell & Market cable car turnaround
Context triple: [Powell Street terminal, alsoKnownAs, Powell & Market cable car turnaround]
  • A. 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.
  • 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. 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.
  • D. Angels Flight Railway
    Angels Flight Railway is a historic narrow-gauge funicular in Downtown Los Angeles that carries passengers up and down the steep Bunker Hill slope.
  • E. 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.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Powell & Market cable car turnaround
Triple: [Powell Street terminal, alsoKnownAs, Powell & Market cable car turnaround]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Powell & Market cable car turnaround
Target entity description: 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.
  • A. 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.
  • 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. 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.
  • D. Angels Flight Railway
    Angels Flight Railway is a historic narrow-gauge funicular in Downtown Los Angeles that carries passengers up and down the steep Bunker Hill slope.
  • E. 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.
  • F. None of above. chosen

Provenance (5 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_69a8864298748190a2f2fd34f7ef8d77 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69abb1e517e8819086e4bf5a305aeb25 completed March 7, 2026, 5:04 a.m.
NED1 Entity disambiguation (via context triple) batch_69adfbae5760819083c046d0941513de completed March 8, 2026, 10:43 p.m.
NEDg Description generation batch_69adfc50a3488190afe44ee5125d9ebd completed March 8, 2026, 10:46 p.m.
NED2 Entity disambiguation (via description) batch_69adfcdccce48190a2591b90c81ad084 completed March 8, 2026, 10:49 p.m.
Created at: March 4, 2026, 7:35 p.m.