Triple
T6030884
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sunken Road |
E134298
|
entity |
| Predicate | photographicallyDocumentedBy |
P9792
|
FINISHED |
| Object | Mathew Brady’s studio |
E298214
|
NE FINISHED |
How this triple was built (2 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: Mathew Brady’s studio | Statement: [Sunken Road, photographicallyDocumentedBy, Mathew Brady’s studio]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mathew Brady’s studio Context triple: [Sunken Road, photographicallyDocumentedBy, Mathew Brady’s studio]
-
A.
Mathew Brady (photographer)
chosen
Mathew Brady was a pioneering 19th-century American photographer best known for his iconic portraits of political and military figures and his extensive documentation of the American Civil War.
-
B.
Winslow Homer Studio
Winslow Homer Studio is the historic coastal workspace of American painter Winslow Homer, preserved as a museum that showcases his life and art overlooking the Atlantic Ocean.
-
C.
Alexander Gardner
Alexander Gardner was a 19th-century Scottish-American photographer best known for his iconic Civil War images and portraits of figures such as Abraham Lincoln.
-
D.
Sargent Gallery
Sargent Gallery is an exhibition space in the Boston Public Library’s McKim Building renowned for its murals by American artist John Singer Sargent.
-
E.
Timothy H. O'Sullivan
Timothy H. O'Sullivan was a pioneering 19th-century American photographer best known for his stark Civil War battlefield images and later geological survey photographs of the American West.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69c0087515148190a97475d412563865 |
completed | March 22, 2026, 3:19 p.m. |
| NER | Named-entity recognition | batch_69c056af89e881909652957f94317684 |
completed | March 22, 2026, 8:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c11381aa0c81909487a5eb510c9b41 |
completed | March 23, 2026, 10:18 a.m. |
Created at: March 22, 2026, 4:08 p.m.