Triple
T22007717
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nashville, Chattanooga and St. Louis Railway |
E543493
|
entity |
| Predicate | predecessor |
P97
|
FINISHED |
| Object | Nashville and Chattanooga Railroad |
—
|
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: Nashville and Chattanooga Railroad | Statement: [Nashville, Chattanooga and St. Louis Railway, predecessor, Nashville and Chattanooga Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nashville and Chattanooga Railroad Context triple: [Nashville, Chattanooga and St. Louis Railway, predecessor, Nashville and Chattanooga Railroad]
-
A.
Nashville, Chattanooga and St. Louis Railway
chosen
The Nashville, Chattanooga and St. Louis Railway was a prominent Southern U.S. railroad that connected key cities across Tennessee and neighboring states, playing a major role in regional transportation and commerce in the late 19th and early 20th centuries.
-
B.
Chattanooga and Knoxville Railroad
The Chattanooga and Knoxville Railroad was a historic rail line in Tennessee that connected the cities of Chattanooga and Knoxville, facilitating regional transportation and commerce in the late 19th and early 20th centuries.
-
C.
Memphis and Charleston Railroad
The Memphis and Charleston Railroad was a crucial 19th-century rail line linking the Mississippi River at Memphis to the Atlantic seaboard via Charleston, making it strategically vital during the American Civil War.
-
D.
East Tennessee and Georgia Railroad
The East Tennessee and Georgia Railroad was a 19th-century regional rail line in the southeastern United States that later became part of the larger East Tennessee, Virginia and Georgia Railway system.
-
E.
Louisville and Nashville Railroad
The Louisville and Nashville Railroad was a major U.S. railroad company that operated across the southeastern United States from the 19th century into the late 20th century, playing a key role in regional freight and passenger transportation.
- 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_69e11e2db934819095556760c7d85e4d |
completed | April 16, 2026, 5:36 p.m. |
| NER | Named-entity recognition | batch_69f127a2aebc8190951ee0bf9fd8e16d |
completed | April 28, 2026, 9:33 p.m. |
Created at: April 16, 2026, 8:21 p.m.