Triple

T70690
Position Surface form Disambiguated ID Type / Status
Subject Fisherman’s Wharf E1414 entity
Predicate transportConnection P1298 FINISHED
Object historic streetcar F-line
The historic streetcar F-line is a popular San Francisco transit route that uses restored vintage streetcars to connect key areas of the city, including the Embarcadero and Market Street.
E6133 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: historic streetcar F-line | Statement: [Fisherman’s Wharf, transportConnection, historic streetcar F-line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: historic streetcar F-line
Context triple: [Fisherman’s Wharf, transportConnection, historic streetcar F-line]
  • A. Portland Streetcar
    Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
  • B. SEPTA Subway–Surface Trolley Lines
    The SEPTA Subway–Surface Trolley Lines are a network of light rail routes in Philadelphia that operate partly in subway tunnels and partly on city streets, connecting Center City with West Philadelphia and surrounding neighborhoods.
  • C. SEPTA Market–Frankford Line
    The SEPTA Market–Frankford Line is a major rapid transit route in Philadelphia that runs east–west across the city, connecting key neighborhoods and commercial districts.
  • D. 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.
  • E. Chicago Surface Lines
    Chicago Surface Lines was a privately operated streetcar and bus system that provided most of Chicago’s surface public transportation in the first half of the 20th century.
  • 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: historic streetcar F-line
Triple: [Fisherman’s Wharf, transportConnection, historic streetcar F-line]
Generated description
The historic streetcar F-line is a popular San Francisco transit route that uses restored vintage streetcars to connect key areas of the city, including the Embarcadero and Market Street.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: historic streetcar F-line
Target entity description: The historic streetcar F-line is a popular San Francisco transit route that uses restored vintage streetcars to connect key areas of the city, including the Embarcadero and Market Street.
  • A. Portland Streetcar
    Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
  • B. SEPTA Subway–Surface Trolley Lines
    The SEPTA Subway–Surface Trolley Lines are a network of light rail routes in Philadelphia that operate partly in subway tunnels and partly on city streets, connecting Center City with West Philadelphia and surrounding neighborhoods.
  • C. SEPTA Market–Frankford Line
    The SEPTA Market–Frankford Line is a major rapid transit route in Philadelphia that runs east–west across the city, connecting key neighborhoods and commercial districts.
  • D. 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.
  • E. C-TRAN
    C-TRAN is the public transit agency serving Clark County and the Vancouver, Washington area, providing bus and express services often coordinated with Portland’s TriMet system.
  • 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_69a2554ffb8c8190a30aceecd7f30d96 completed Feb. 28, 2026, 2:39 a.m.
NEDg Description generation batch_69a25943cba88190a78f708d453ce968 completed Feb. 28, 2026, 2:56 a.m.
NED2 Entity disambiguation (via description) batch_69a259c2706c8190b5319c004e207c29 completed Feb. 28, 2026, 2:58 a.m.
Created at: Feb. 28, 2026, 2:03 a.m.