Triple
T3773208
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Norfolk and Western Railway |
E83243
|
entity |
| Predicate | servedRegion |
P82
|
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: [Norfolk and Western Railway, servedRegion, Appalachian coal fields]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Appalachian coal fields Context triple: [Norfolk and Western Railway, servedRegion, 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.
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.
-
C.
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.
-
D.
Pennsylvania anthracite coal region
The Pennsylvania anthracite coal region is a historic mining area in northeastern Pennsylvania known for its rich hard coal deposits that fueled the United States’ 19th- and early 20th-century industrial growth.
-
E.
Appalachia
Appalachia is a culturally distinct region of the eastern United States known for its mountainous terrain, coal mining heritage, and rich traditions in folk music and storytelling.
- 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_69ad8b235e608190b5a2b1d1bfcef50b |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69adcc57c9e48190a0f254e47348bf32 |
completed | March 8, 2026, 7:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b4e52ebd988190b6e3a7d8069b74be |
completed | March 14, 2026, 4:33 a.m. |
Created at: March 8, 2026, 3:36 p.m.