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.