Triple
T18534939
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Centralia, Illinois |
E452938
|
entity |
| Predicate | hasNearbyFeature |
P350
|
FINISHED |
| Object | Illinois coal basin |
—
|
NE NERFINISHED |
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: Illinois coal basin | Statement: [Centralia, Illinois, hasNearbyFeature, Illinois coal basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Illinois coal basin Context triple: [Centralia, Illinois, hasNearbyFeature, Illinois coal basin]
-
A.
Illinois Basin area
chosen
The Illinois Basin area is a major structural and sedimentary basin in the central United States, primarily underlying parts of Illinois, Indiana, and Kentucky, known for its thick Paleozoic rock sequences and significant fossil fuel and mineral resources.
-
B.
Arkoma Basin
The Arkoma Basin is a geologic sedimentary basin in the south-central United States, primarily in Arkansas and Oklahoma, known for its Paleozoic rock formations and significant natural gas and petroleum resources.
-
C.
Raton Basin coal fields
The Raton Basin coal fields are a significant coal-bearing geological region spanning southern Colorado and northern New Mexico, historically important for coal mining and associated industrial development.
-
D.
Nashville Basin
The Nashville Basin is a geologic and topographic lowland in central Tennessee known for its fertile soils, karst features, and distinctive bowl-shaped landscape surrounding the city of Nashville.
-
E.
Michigan Basin
The Michigan Basin is a large, bowl-shaped sedimentary basin in the Great Lakes region known for its thick Paleozoic rock sequences and significant oil, gas, and mineral resources.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8d387b5548190aa030dad2cb4947e |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e53400d548819080b17f30b3ee7174 |
completed | April 19, 2026, 7:58 p.m. |
Created at: April 10, 2026, 11:37 a.m.