Triple
T7655366
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lahontan Valley, Nevada |
E173365
|
entity |
| Predicate | historicallyPartOf |
P5057
|
FINISHED |
| Object | Pleistocene Lake Lahontan basin |
E134242
|
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: Pleistocene Lake Lahontan basin | Statement: [Lahontan Valley, Nevada, historicallyPartOf, Pleistocene Lake Lahontan basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pleistocene Lake Lahontan basin Context triple: [Lahontan Valley, Nevada, historicallyPartOf, Pleistocene Lake Lahontan basin]
-
A.
Pleistocene Lake Lahontan basin
chosen
The Pleistocene Lake Lahontan basin is an ancient, now mostly dry hydrologic basin in the Great Basin region of Nevada that once held a vast Ice Age lake covering much of northwestern Nevada.
-
B.
Lake Lahontan
Lake Lahontan was a vast prehistoric pluvial lake that covered much of what is now northwestern Nevada during the Pleistocene epoch.
-
C.
Great Basin
The Great Basin is a vast, arid region of interior drainage in the western United States, characterized by its basin-and-range topography, deserts, and salt flats.
-
D.
Mono Basin
Mono Basin is a high-desert watershed in eastern California best known for Mono Lake, its striking tufa formations, and its dramatic Eastern Sierra scenery.
-
E.
Great Basin–Colorado River transition area
The Great Basin–Colorado River transition area is a geographic region where the ecosystems and cultural territories of the Great Basin and Colorado River Plateau overlap and blend.
- 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_69c6995473348190a4f41d110d619a18 |
completed | March 27, 2026, 2:51 p.m. |
| NER | Named-entity recognition | batch_69c7018ea3688190907c3ac7d25e3da6 |
completed | March 27, 2026, 10:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c8a21dd3088190bb026de65970a14b |
completed | March 29, 2026, 3:53 a.m. |
Created at: March 27, 2026, 3:59 p.m.