Triple
T20363851
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Carolina Railroad |
E496855
|
entity |
| Predicate | mainRoute |
P6298
|
FINISHED |
| Object | Charleston–Columbia line |
—
|
NE NERFINISHED |
How this triple was built (3 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: Charleston–Columbia line | Statement: [South Carolina Railroad, mainRoute, Charleston–Columbia line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Charleston–Columbia line Context triple: [South Carolina Railroad, mainRoute, Charleston–Columbia line]
-
A.
South Carolina Railroad
The South Carolina Railroad was a pioneering 19th-century American railway that played a key role in early Southern transportation and commerce.
-
B.
Seaboard main line
The Seaboard main line was a principal north–south railroad corridor in the southeastern United States, historically operated by the Seaboard Air Line Railroad and used by prominent passenger trains such as the Champion.
-
C.
Charleston and Savannah Railway
The Charleston and Savannah Railway was a historic rail line in the southeastern United States that connected Charleston, South Carolina, with Savannah, Georgia, and later became part of the Plant System of railroads.
-
D.
Chatham County Line
Chatham County Line is an American bluegrass and Americana band known for its traditional acoustic instrumentation and close-harmony vocals.
-
E.
Richmond–Jacksonville main line
The Richmond–Jacksonville main line was a key north–south rail route in the southeastern United States, linking Virginia and Florida as part of the Atlantic Coast Line Railroad’s passenger and freight network.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Charleston–Columbia line Target entity description: The Charleston–Columbia line is a historic South Carolina rail corridor connecting the coastal city of Charleston with the inland capital, Columbia, serving as a key route for passenger and freight transportation.
-
A.
South Carolina Railroad
chosen
The South Carolina Railroad was a pioneering 19th-century American railway that played a key role in early Southern transportation and commerce.
-
B.
Seaboard main line
The Seaboard main line was a principal north–south railroad corridor in the southeastern United States, historically operated by the Seaboard Air Line Railroad and used by prominent passenger trains such as the Champion.
-
C.
Charleston and Savannah Railway
The Charleston and Savannah Railway was a historic rail line in the southeastern United States that connected Charleston, South Carolina, with Savannah, Georgia, and later became part of the Plant System of railroads.
-
D.
Chatham County Line
Chatham County Line is an American bluegrass and Americana band known for its traditional acoustic instrumentation and close-harmony vocals.
-
E.
Richmond–Jacksonville main line
The Richmond–Jacksonville main line was a key north–south rail route in the southeastern United States, linking Virginia and Florida as part of the Atlantic Coast Line Railroad’s passenger and freight network.
- F. None of above.
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_69e0b4a4f9b081908a5a021919c21ccb |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6786fd0088190908187ab642344cc |
completed | April 20, 2026, 7:03 p.m. |
Created at: April 16, 2026, 11:26 a.m.