Triple

T16318285
Position Surface form Disambiguated ID Type / Status
Subject Embarcadero, San Francisco, California E396226 entity
Predicate hasLandmark P105 FINISHED
Object San Francisco Ferry Building clock tower
The San Francisco Ferry Building clock tower is a historic Beaux-Arts landmark on the city’s waterfront, known for its prominent four-faced clock and role as an iconic symbol of the Embarcadero.
E1207012 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: San Francisco Ferry Building clock tower | Statement: [Embarcadero, San Francisco, California, hasLandmark, San Francisco Ferry Building clock tower]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: San Francisco Ferry Building clock tower
Context triple: [Embarcadero, San Francisco, California, hasLandmark, San Francisco Ferry Building clock tower]
  • A. Sutro Tower, San Francisco
    Sutro Tower in San Francisco is a prominent three-pronged television and radio transmission tower and city landmark that dominates the skyline above Twin Peaks.
  • B. San Francisco City Hall
    San Francisco City Hall is a historic Beaux-Arts landmark in the city’s Civic Center, serving as the seat of government and a prominent architectural symbol of San Francisco.
  • C. Benicia Clock Tower
    The Benicia Clock Tower is a historic former U.S. Army arsenal building in Benicia, California, notable for its prominent clock tower and role as a local architectural landmark.
  • D. San Francisco Municipal Railway Building
    The San Francisco Municipal Railway Building is a historic civic structure in San Francisco designed in the Beaux-Arts style by architect John Bakewell Jr.
  • E. Fort Point (San Francisco)
    Fort Point (San Francisco) is a 19th-century brick masonry coastal fortification built to guard the Golden Gate strait, now preserved as a historic site beneath the Golden Gate Bridge.
  • 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 Ferry Building clock tower
Triple: [Embarcadero, San Francisco, California, hasLandmark, San Francisco Ferry Building clock tower]
Generated description
The San Francisco Ferry Building clock tower is a historic Beaux-Arts landmark on the city’s waterfront, known for its prominent four-faced clock and role as an iconic symbol of the Embarcadero.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: San Francisco Ferry Building clock tower
Target entity description: The San Francisco Ferry Building clock tower is a historic Beaux-Arts landmark on the city’s waterfront, known for its prominent four-faced clock and role as an iconic symbol of the Embarcadero.
  • A. Sutro Tower, San Francisco
    Sutro Tower in San Francisco is a prominent three-pronged television and radio transmission tower and city landmark that dominates the skyline above Twin Peaks.
  • B. San Francisco City Hall
    San Francisco City Hall is a historic Beaux-Arts landmark in the city’s Civic Center, serving as the seat of government and a prominent architectural symbol of San Francisco.
  • C. Benicia Clock Tower
    The Benicia Clock Tower is a historic former U.S. Army arsenal building in Benicia, California, notable for its prominent clock tower and role as a local architectural landmark.
  • D. San Francisco Municipal Railway Building
    The San Francisco Municipal Railway Building is a historic civic structure in San Francisco designed in the Beaux-Arts style by architect John Bakewell Jr.
  • E. Fort Point (San Francisco)
    Fort Point (San Francisco) is a 19th-century brick masonry coastal fortification built to guard the Golden Gate strait, now preserved as a historic site beneath the Golden Gate Bridge.
  • 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_69d87f255b788190a400eba031dd85d8 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e296b3e3e081908a996b3e57ca4e32 completed April 17, 2026, 8:23 p.m.
NED1 Entity disambiguation (via context triple) batch_6a002606f0e0819081f50dae9e6b7a0d completed May 10, 2026, 6:30 a.m.
NEDg Description generation batch_6a00275e44d481909bed62779ea9a0d7 completed May 10, 2026, 6:36 a.m.
NED2 Entity disambiguation (via description) batch_6a0027f99d948190b22812f0c9a2c0ff completed May 10, 2026, 6:38 a.m.
Created at: April 10, 2026, 5:06 a.m.