Triple
T23547664
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | William Henry Brewer |
E577948
|
entity |
| Predicate | participantIn |
P149
|
FINISHED |
| Object | California Geological Survey field expeditions (1860–1864) |
—
|
NE NERFINISHED |
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: California Geological Survey field expeditions (1860–1864) | Statement: [William Henry Brewer, participantIn, California Geological Survey field expeditions (1860–1864)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: California Geological Survey field expeditions (1860–1864) Context triple: [William Henry Brewer, participantIn, California Geological Survey field expeditions (1860–1864)]
-
A.
Reports of the Exploring Expeditions to the Rocky Mountains and to Oregon and North California
Reports of the Exploring Expeditions to the Rocky Mountains and to Oregon and North California is an influential 19th-century account of U.S. western exploration that helped shape American understanding and interest in the Far West.
-
B.
U.S. Geological Exploration of the Fortieth Parallel
The U.S. Geological Exploration of the Fortieth Parallel was a major 19th-century American scientific survey that mapped and studied the geology and natural resources along the 40th parallel in the western United States.
-
C.
U.S. Geographical and Geological Survey of the Rocky Mountain Region
The U.S. Geographical and Geological Survey of the Rocky Mountain Region was a 19th-century federal scientific survey that conducted pioneering geological and topographical investigations across the Rocky Mountains in the American West.
-
D.
1871 Yellowstone expedition
The 1871 Yellowstone expedition was a landmark geological and scientific survey led by Ferdinand V. Hayden that provided the crucial documentation and advocacy leading to the creation of Yellowstone as the first U.S. national park.
-
E.
Geological Survey of California
chosen
The Geological Survey of California was a pioneering 19th-century scientific survey that systematically studied and mapped California’s geology, mineral resources, and natural history under state sponsorship.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e245fa93448190919cb04534560542 |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f1aecc2af08190aec07cf9126d4e72 |
completed | April 29, 2026, 7:10 a.m. |
Created at: April 17, 2026, 6:11 p.m.