Triple

T892267
Position Surface form Disambiguated ID Type / Status
Subject Nob Hill E19264 entity
Predicate traversedBy P225 FINISHED
Object 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.
E109261 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-Mason cable car line | Statement: [Nob Hill, traversedBy, 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: [Nob Hill, traversedBy, Powell-Mason cable car line]
  • A. 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.
  • B. Portland Streetcar
    Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
  • C. Aerial Tram
    The Aerial Tram is a cable-driven urban transit system in Portland, Oregon, that carries passengers between the South Waterfront district and Oregon Health & Science University on Marquam Hill.
  • D. Boston Elevated Railway
    The Boston Elevated Railway was a former public transit company that operated Boston’s early elevated and streetcar lines before being succeeded by the modern MBTA system known as “the T.”
  • E. Wellington Cable Car
    The Wellington Cable Car is a historic funicular railway in New Zealand’s capital that runs between downtown Wellington and the hilltop suburb of Kelburn, offering scenic views over the city and harbor.
  • 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-Mason cable car line
Triple: [Nob Hill, traversedBy, Powell-Mason cable car line]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Powell-Mason cable car line
Target entity description: 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.
  • A. 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.
  • B. Portland Streetcar
    Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
  • C. Aerial Tram
    The Aerial Tram is a cable-driven urban transit system in Portland, Oregon, that carries passengers between the South Waterfront district and Oregon Health & Science University on Marquam Hill.
  • D. Boston Elevated Railway
    The Boston Elevated Railway was a former public transit company that operated Boston’s early elevated and streetcar lines before being succeeded by the modern MBTA system known as “the T.”
  • E. Wellington Cable Car
    The Wellington Cable Car is a historic funicular railway in New Zealand’s capital that runs between downtown Wellington and the hilltop suburb of Kelburn, offering scenic views over the city and harbor.
  • 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_69a4939d37188190848be3d426ebc9ae completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4ad0304b081908d4c92bb2beadb81 completed March 1, 2026, 9:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7ee02a21c819088e6a137ea306efd completed March 4, 2026, 8:32 a.m.
NEDg Description generation batch_69a7eebc724c8190a364782ec8e672e0 completed March 4, 2026, 8:35 a.m.
NED2 Entity disambiguation (via description) batch_69a7ef2ed2c881909dc1d2d6fb39805a completed March 4, 2026, 8:37 a.m.
Created at: March 1, 2026, 7:39 p.m.