Triple
T488829
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lake Mead National Recreation Area |
E9939
|
entity |
| Predicate | contains |
P35
|
FINISHED |
| Object | Black Canyon |
E47642
|
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: Black Canyon | Statement: [Lake Mead National Recreation Area, contains, Black Canyon]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Black Canyon Context triple: [Lake Mead National Recreation Area, contains, Black Canyon]
-
A.
Black Canyon
chosen
Black Canyon is a steep, narrow gorge on the Colorado River along the Arizona–Nevada border, best known as the dramatic setting for the Hoover Dam.
-
B.
Fern Canyon
Fern Canyon is a lush, narrow gorge in Northern California famed for its sheer walls draped in ferns and its appearance in films like Jurassic Park 2.
-
C.
Tenaya Canyon
Tenaya Canyon is a dramatic glacially carved gorge in Yosemite National Park, known for its steep granite walls, rugged terrain, and challenging backcountry routes between Tenaya Lake and Yosemite Valley.
-
D.
Golden Canyon
Golden Canyon is a popular hiking area in Death Valley National Park known for its colorful, eroded badlands and scenic desert canyon trails.
-
E.
Kaweah River canyon
Kaweah River canyon is a deep, rugged gorge in California’s Sierra Nevada carved by the Kaweah River, known for its dramatic scenery and steep granite walls.
- 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_69a2e802e2908190ab17c9479e0b6412 |
completed | Feb. 28, 2026, 1:05 p.m. |
| NER | Named-entity recognition | batch_69a2f0df764481909811d9483dfbc4aa |
completed | Feb. 28, 2026, 1:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a48540a8048190a36c6560d2d51538 |
completed | March 1, 2026, 6:28 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.