Triple
T11027628
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Salem Limestone |
E260669
|
entity |
| Predicate | stratigraphicUnitOf |
P28620
|
FINISHED |
| Object | Illinois Basin |
E812279
|
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: Illinois Basin | Statement: [Salem Limestone, stratigraphicUnitOf, Illinois Basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Illinois Basin Context triple: [Salem Limestone, stratigraphicUnitOf, Illinois 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.
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.
-
C.
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.
-
D.
Mississippi Embayment
The Mississippi Embayment is a broad, low-lying structural trough and sedimentary basin of the central United States that extends northward from the Gulf of Mexico and encompasses parts of several states along the lower Mississippi River.
-
E.
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.
- 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_69d6aa979bdc8190bf0e79104cc098c1 |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d797d190f08190bcb5949ee24306f1 |
completed | April 9, 2026, 12:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e3753451e08190bc42ab99d01926f9 |
completed | April 18, 2026, 12:12 p.m. |
Created at: April 8, 2026, 9:25 p.m.