Triple

T70789
Position Surface form Disambiguated ID Type / Status
Subject San Francisco cable car system E1416 entity
Predicate museumAt P3831 FINISHED
Object 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.
E10398 NE FINISHED

How this triple was built (5 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: San Francisco Cable Car Museum | Statement: [San Francisco cable car system, museumAt, San Francisco Cable Car Museum]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: San Francisco Cable Car Museum
Context triple: [San Francisco cable car system, museumAt, San Francisco Cable Car Museum]
  • A. 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.
  • B. California State Railroad Museum
    The California State Railroad Museum is a major railway history museum in Sacramento showcasing historic locomotives, rolling stock, and exhibits on the development of railroads in California and the American West.
  • C. San Francisco Maritime National Historical Park
    San Francisco Maritime National Historical Park is a waterfront national historical park in San Francisco that preserves and interprets the city’s rich maritime heritage through historic ships, a museum, and educational exhibits.
  • D. Pier 39
    Pier 39 is a popular waterfront shopping, dining, and entertainment complex in San Francisco best known for its sea lions, bay views, and tourist attractions.
  • E. Fogg Museum
    The Fogg Museum is a prominent Harvard University art museum renowned for its extensive Western art collections and influential role in art historical research and teaching.
  • 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: San Francisco Cable Car Museum
Triple: [San Francisco cable car system, museumAt, San Francisco Cable Car Museum]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: San Francisco Cable Car Museum
Target entity description: 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.
  • A. 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.
  • B. California State Railroad Museum
    The California State Railroad Museum is a major railway history museum in Sacramento showcasing historic locomotives, rolling stock, and exhibits on the development of railroads in California and the American West.
  • C. San Francisco Maritime National Historical Park
    San Francisco Maritime National Historical Park is a waterfront national historical park in San Francisco that preserves and interprets the city’s rich maritime heritage through historic ships, a museum, and educational exhibits.
  • D. Pier 39
    Pier 39 is a popular waterfront shopping, dining, and entertainment complex in San Francisco best known for its sea lions, bay views, and tourist attractions.
  • E. Fogg Museum
    The Fogg Museum is a prominent Harvard University art museum renowned for its extensive Western art collections and influential role in art historical research and teaching.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: museumAt
Context triple: [San Francisco cable car system, museumAt, San Francisco Cable Car Museum]
  • A. museumCity
    Indicates the city in which a given museum is located.
  • B. majorMuseum
    Indicates that a museum holds significant importance or prominence, typically due to its size, collections, reputation, or cultural impact.
  • C. hasArtGallery
    Indicates that one entity possesses, contains, or hosts an art gallery as part of its facilities or offerings.
  • D. visitorCenter
    Indicates that a location serves as a visitor center for a place, providing information or services to visitors of that place.
  • E. isHomeOf
    Indicates that a place serves as the primary residence or base for a person, group, or organization.
  • F. None of above. chosen

Provenance (7 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_69a24fd16c248190a6ee4cd96c388772 completed Feb. 28, 2026, 2:15 a.m.
NED1 Entity disambiguation (via context triple) batch_69a275e2a91c81908ec21814794d70a6 completed Feb. 28, 2026, 4:58 a.m.
NEDg Description generation batch_69a276c04f308190b3089549a8bc7cec completed Feb. 28, 2026, 5:01 a.m.
NED2 Entity disambiguation (via description) batch_69a277437a1c819086ce4faf0e913a1d completed Feb. 28, 2026, 5:04 a.m.
PD Predicate disambiguation batch_69a24eaa0df88190add55579b2b9fd02 completed Feb. 28, 2026, 2:10 a.m.
PDg Predicate description generation batch_69a24fcf5a88819088c5fa4c08476358 completed Feb. 28, 2026, 2:15 a.m.
Created at: Feb. 28, 2026, 2:03 a.m.