Triple
T1221332
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Upper Truckee River |
E26227
|
entity |
| Predicate | flowsThrough |
P225
|
FINISHED |
| Object | Lake Tahoe Basin |
E7384
|
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: Lake Tahoe Basin | Statement: [Upper Truckee River, flowsThrough, Lake Tahoe Basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Tahoe Basin Context triple: [Upper Truckee River, flowsThrough, Lake Tahoe Basin]
-
A.
Lake Tahoe Basin
chosen
The Lake Tahoe Basin is a high-altitude watershed in the Sierra Nevada centered on Lake Tahoe, renowned for its clear alpine lake, surrounding forests, and year-round outdoor recreation.
-
B.
Lake Tahoe
Lake Tahoe is a large, deep, and famously clear freshwater lake in the Sierra Nevada mountains, straddling the border of California and Nevada and serving as a major destination for outdoor recreation and tourism.
-
C.
North Lake Tahoe
North Lake Tahoe is a scenic region along the northern shores of Lake Tahoe known for its ski resorts, outdoor recreation, and lakeside communities.
-
D.
South Lake Tahoe
South Lake Tahoe is a resort city in California known for its access to Lake Tahoe’s beaches, ski resorts, and outdoor recreation.
-
E.
Lake Tahoe Nevada State Park
Lake Tahoe Nevada State Park is a scenic protected area on the Nevada side of Lake Tahoe, known for its clear blue waters, sandy beaches, granite boulders, and popular recreation spots like Sand Harbor.
- 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_69a49484688c8190a1bf285eb396a8b6 |
completed | March 1, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69a4be206c108190bb8a5d44fc516c98 |
completed | March 1, 2026, 10:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad08a3865c819093a6ffd1a8c74e2e |
completed | March 8, 2026, 5:26 a.m. |
Created at: March 1, 2026, 7:47 p.m.