Triple
T13113196
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Virginian Railway |
E311025
|
entity |
| Predicate | servedCoalFields |
P782
|
FINISHED |
| Object | Appalachian coal fields |
E231825
|
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: Appalachian coal fields | Statement: [Virginian Railway, servedCoalFields, Appalachian coal fields]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Appalachian coal fields Context triple: [Virginian Railway, servedCoalFields, Appalachian coal fields]
-
A.
Appalachian coalfield
chosen
The Appalachian coalfield is a major coal-producing region in the eastern United States, spanning parts of several states and historically central to the nation’s coal mining industry and associated communities.
-
B.
Harlan coalfield
Harlan coalfield is a major coal-producing region in southeastern Kentucky historically known for its extensive mining operations and labor struggles.
-
C.
Appalachian Basin
The Appalachian Basin is a large sedimentary basin in the eastern United States that preserves a thick sequence of Paleozoic rocks and important fossil fuel resources, shaped by multiple mountain-building events.
-
D.
Pocahontas coalfield
The Pocahontas coalfield is a historically significant coal-mining region in the Appalachian Mountains, known for its high-quality bituminous coal and its central role in the industrial development of southern West Virginia and southwestern Virginia.
-
E.
Appalachian gold belt
The Appalachian gold belt is a geologic region along the Appalachian Mountains known for its historic and commercially significant gold deposits, particularly in the southeastern United States.
- 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_69d806a872d08190a329806f8ff30df4 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d9817f8ee8819084078b4bec5e4f18 |
completed | April 10, 2026, 11:02 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6e27f5c4481909bc323c9d0c83dc9 |
completed | May 3, 2026, 5:51 a.m. |
Created at: April 9, 2026, 9:06 p.m.