Triple
T20904339
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Willis Polk |
E514753
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object | Merchants Exchange Building (remodeling, San Francisco) |
—
|
NE NERFINISHED |
How this triple was built (3 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: Merchants Exchange Building (remodeling, San Francisco) | Statement: [Willis Polk, notableWork, Merchants Exchange Building (remodeling, San Francisco)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Merchants Exchange Building (remodeling, San Francisco) Context triple: [Willis Polk, notableWork, Merchants Exchange Building (remodeling, San Francisco)]
-
A.
Mills Building (San Francisco)
The Mills Building in San Francisco is a historic downtown office building named for financier and philanthropist Darius Ogden Mills, reflecting his prominence in the city’s late 19th- and early 20th-century development.
-
B.
Occidental Hotel improvements, San Francisco
Occidental Hotel improvements, San Francisco were architectural renovations and enhancements to the historic Occidental Hotel in San Francisco designed by prominent American architect A. Page Brown.
-
C.
Pacific Telephone & Telegraph Company Building, San Francisco
The Pacific Telephone & Telegraph Company Building in San Francisco is a landmark Art Deco skyscraper and former corporate headquarters designed by architect George Kelham during the early 20th century.
-
D.
Mutual Life Insurance Company Building, San Francisco
The Mutual Life Insurance Company Building in San Francisco is a historic late-19th-century commercial structure designed by prominent architect A. Page Brown.
-
E.
San Francisco Stock and Bond Exchange building
The San Francisco Stock and Bond Exchange building is a historic financial edifice in San Francisco that later became known as the Pacific Stock Exchange building, noted for its architectural significance and role in the city’s trading history.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Merchants Exchange Building (remodeling, San Francisco) Target entity description: The Merchants Exchange Building in San Francisco is a historic downtown office building whose early-20th-century remodeling by architect Willis Polk gave it its distinguished Beaux-Arts character and landmark status.
-
A.
Mills Building (San Francisco)
The Mills Building in San Francisco is a historic downtown office building named for financier and philanthropist Darius Ogden Mills, reflecting his prominence in the city’s late 19th- and early 20th-century development.
-
B.
Occidental Hotel improvements, San Francisco
Occidental Hotel improvements, San Francisco were architectural renovations and enhancements to the historic Occidental Hotel in San Francisco designed by prominent American architect A. Page Brown.
-
C.
Pacific Telephone & Telegraph Company Building, San Francisco
The Pacific Telephone & Telegraph Company Building in San Francisco is a landmark Art Deco skyscraper and former corporate headquarters designed by architect George Kelham during the early 20th century.
-
D.
Mutual Life Insurance Company Building, San Francisco
The Mutual Life Insurance Company Building in San Francisco is a historic late-19th-century commercial structure designed by prominent architect A. Page Brown.
-
E.
San Francisco Stock and Bond Exchange building
The San Francisco Stock and Bond Exchange building is a historic financial edifice in San Francisco that later became known as the Pacific Stock Exchange building, noted for its architectural significance and role in the city’s trading history.
- F. None of above. chosen
Provenance (2 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_69e0b4f8a1108190bce3d31331290ced |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6e8fe4b808190bbc1bbde7a11f283 |
completed | April 21, 2026, 3:03 a.m. |
Created at: April 16, 2026, 12:47 p.m.