Triple
T22857039
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | River of Doubt |
E566510
|
entity |
| Predicate | historicalEvent |
P259
|
FINISHED |
| Object | Roosevelt–Rondon Scientific Expedition |
—
|
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: Roosevelt–Rondon Scientific Expedition | Statement: [River of Doubt, historicalEvent, Roosevelt–Rondon Scientific Expedition]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Roosevelt–Rondon Scientific Expedition Context triple: [River of Doubt, historicalEvent, Roosevelt–Rondon Scientific Expedition]
-
A.
1924–1925 Amazon and Rio Branco expedition
The 1924–1925 Amazon and Rio Branco expedition was a major exploratory and scientific journey led by Alexander Hamilton Rice Jr. that mapped remote regions of the Amazon Basin and advanced geographic and ethnographic knowledge of the area.
-
B.
1916–1917 Amazon Basin expedition
The 1916–1917 Amazon Basin expedition was an early 20th-century exploratory journey through the Amazon led by American geographer and physician Alexander Hamilton Rice Jr., aimed at mapping remote regions and studying the river system and its surrounding environment.
-
C.
Astor overland expedition
The Astor overland expedition was an early 19th-century American venture that attempted to establish a transcontinental fur-trading route to the Pacific Northwest under the direction of John Jacob Astor.
-
D.
Ralph Plaisted expedition
The Ralph Plaisted expedition was a 1968 snowmobile journey that became widely recognized as the first confirmed over-ice surface expedition to reach the geographic North Pole.
-
E.
Brazilian Wilderness (with Theodore Roosevelt)
chosen
"Brazilian Wilderness (with Theodore Roosevelt)" is a travel and exploration narrative recounting Theodore and Kermit Roosevelt’s 1913–1914 expedition through the Brazilian rainforest and down the River of Doubt.
- 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_69e2458750b481908a8e4cf4609cc6cf |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f17ebd7d48819085f350f2ce4144a0 |
completed | April 29, 2026, 3:45 a.m. |
Created at: April 17, 2026, 3:37 p.m.