Triple
T2197371
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Desolation Wilderness |
E50406
|
entity |
| Predicate | hasTrailheadAccessFrom |
P30481
|
FINISHED |
| Object | Lake Tahoe region |
E7384
|
NE FINISHED |
How this triple was built (3 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 region | Statement: [Desolation Wilderness, hasTrailheadAccessFrom, Lake Tahoe region]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Tahoe region Context triple: [Desolation Wilderness, hasTrailheadAccessFrom, Lake Tahoe region]
-
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.
Truckee Meadows
Truckee Meadows is a high-desert valley in western Nevada that encompasses the Reno–Sparks metropolitan area along the Truckee River.
-
C.
Lake Tahoe–Reno tourism corridor
The Lake Tahoe–Reno tourism corridor is a major recreational and travel region in the western United States that links the alpine resorts of Lake Tahoe with the casino, entertainment, and convention hub of Reno.
-
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 Basin Management Unit
The Lake Tahoe Basin Management Unit is a U.S. Forest Service administrative unit responsible for managing federal lands and natural resources in the Lake Tahoe Basin region.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasTrailheadAccessFrom Context triple: [Desolation Wilderness, hasTrailheadAccessFrom, Lake Tahoe region]
-
A.
hasTrailheadAt
Indicates that a trail or route begins or has its official starting point at a specified location.
-
B.
accessTrailhead
chosen
Indicates that an entity has a way to reach or enter a specific trailhead location.
-
C.
hasTrail
Indicates that an entity possesses, includes, or is associated with a trail or pathway.
-
D.
hasTrailNetwork
Indicates that an entity possesses or is associated with a system of interconnected trails or paths.
-
E.
hasAccessTo
Indicates that one entity is permitted to enter, use, or interact with another entity, resource, or location.
- F. None of above.
Provenance (4 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_69a88b044ab48190add007487680f009 |
completed | March 4, 2026, 7:41 p.m. |
| NER | Named-entity recognition | batch_69abbf79f3e08190b56e9d7c0ff27237 |
completed | March 7, 2026, 6:02 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae6544c000819095aa63be5b1ed4d6 |
completed | March 9, 2026, 6:14 a.m. |
| PD | Predicate disambiguation | batch_69abbda706f4819094de73e1d1d1f539 |
completed | March 7, 2026, 5:54 a.m. |
Created at: March 4, 2026, 7:46 p.m.