Triple
T5037687
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lake Chad |
E113465
|
entity |
| Predicate | locatedIn |
P40
|
FINISHED |
| Object | Chad Basin |
E50221
|
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: Chad Basin | Statement: [Lake Chad, locatedIn, Chad Basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chad Basin Context triple: [Lake Chad, locatedIn, Chad Basin]
-
A.
Lake Chad basin
chosen
The Lake Chad basin is a large, landlocked drainage region in north-central Africa encompassing parts of Chad, Nigeria, Niger, Cameroon, and surrounding countries, centered around Lake Chad and its river systems.
-
B.
Kalahari Basin
The Kalahari Basin is a large inland drainage basin in southern Africa that encompasses and gives rise to the arid Kalahari Desert and surrounding semi-arid regions.
-
C.
Bonaparte Basin
Bonaparte Basin is a large offshore sedimentary basin off northern Australia known for its significant oil and gas resources.
-
D.
Somali Basin
The Somali Basin is a deep oceanic basin in the western Indian Ocean off the coast of East Africa, known for its complex tectonic setting and significant role in regional ocean circulation.
-
E.
Mapimí Basin
The Mapimí Basin is an endorheic desert basin in north-central Mexico, known for its arid landscapes and the Mapimí Biosphere Reserve within the Chihuahuan Desert.
- 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_69bd44384298819089c49e7c330ec7b8 |
completed | March 20, 2026, 12:57 p.m. |
| NER | Named-entity recognition | batch_69bd73daaa788190b670f6c328bfa44f |
completed | March 20, 2026, 4:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be9c7c8ba881908240c7f338ad9784 |
completed | March 21, 2026, 1:26 p.m. |
Created at: March 20, 2026, 1:37 p.m.