Triple

T70778
Position Surface form Disambiguated ID Type / Status
Subject San Francisco cable car system E1416 entity
Predicate hasLine P35 FINISHED
Object Powell–Mason line
The Powell–Mason line is one of San Francisco’s historic cable car routes, running between downtown and the Fisherman’s Wharf area and serving as both public transit and a popular tourist attraction.
 E6879 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 line | Statement: [San Francisco cable car system, hasLine, Powell–Mason line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Powell–Mason line
Context triple: [San Francisco cable car system, hasLine, Powell–Mason line]
  • A. Powell–Hyde line
    The Powell–Hyde line is one of San Francisco’s iconic cable car routes, running from downtown near Union Square over Nob Hill to the waterfront at Fisherman’s Wharf.
  • B. Frick
    Frick is a surname most prominently associated with American industrialist and art patron Henry Clay Frick.
  • C. Front Court
    Front Court is the historic main courtyard of Emmanuel College, Cambridge, forming the central architectural and social focus of the college.
  • D. Column of Victory
    The Column of Victory is a monumental stone column at Blenheim Palace in Oxfordshire, England, commemorating the military triumphs of John Churchill, 1st Duke of Marlborough.
  • E. Excelsior
    Excelsior is the Latin state motto of New York, meaning "ever upward" and symbolizing aspiration and continual progress.
  • 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 line
Triple: [San Francisco cable car system, hasLine, Powell–Mason line]
Generated description
The Powell–Mason line is one of San Francisco’s historic cable car routes, running between downtown and the Fisherman’s Wharf area and serving as both public transit and a popular tourist attraction.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Powell–Mason line
Target entity description: The Powell–Mason line is one of San Francisco’s historic cable car routes, running between downtown and the Fisherman’s Wharf area and serving as both public transit and a popular tourist attraction.
  • A. Powell–Hyde line
    The Powell–Hyde line is one of San Francisco’s iconic cable car routes, running from downtown near Union Square over Nob Hill to the waterfront at Fisherman’s Wharf.
  • B. Frick
    Frick is a surname most prominently associated with American industrialist and art patron Henry Clay Frick.
  • C. Front Court
    Front Court is the historic main courtyard of Emmanuel College, Cambridge, forming the central architectural and social focus of the college.
  • D. Column of Victory
    The Column of Victory is a monumental stone column at Blenheim Palace in Oxfordshire, England, commemorating the military triumphs of John Churchill, 1st Duke of Marlborough.
  • E. Excelsior
    Excelsior is the Latin state motto of New York, meaning "ever upward" and symbolizing aspiration and continual progress.
  • 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_69a24c06b3bc8190aa4ac89026115efc completed Feb. 28, 2026, 1:59 a.m.
NER Named-entity recognition batch_69a24f0578808190be793d7a161c2cf5 completed Feb. 28, 2026, 2:12 a.m.
NED1 Entity disambiguation (via context triple) batch_69a25abaa7dc8190b65fa9d213a40790 completed Feb. 28, 2026, 3:02 a.m.
NEDg Description generation batch_69a25ba89b70819086966936d11a8dcf completed Feb. 28, 2026, 3:06 a.m.
NED2 Entity disambiguation (via description) batch_69a25c29bf708190966d4a036ae69f10 completed Feb. 28, 2026, 3:08 a.m.
Created at: Feb. 28, 2026, 2:03 a.m.