Triple
T21038134
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tennessee–Georgia border |
E518246
|
entity |
| Predicate | crossedByRailway |
P416
|
FINISHED |
| Object | Norfolk Southern Railway lines near Chattanooga |
—
|
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: Norfolk Southern Railway lines near Chattanooga | Statement: [Tennessee–Georgia border, crossedByRailway, Norfolk Southern Railway lines near Chattanooga]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Norfolk Southern Railway lines near Chattanooga Context triple: [Tennessee–Georgia border, crossedByRailway, Norfolk Southern Railway lines near Chattanooga]
-
A.
Norfolk Southern Railway lines
chosen
Norfolk Southern Railway lines are a major freight rail network in the eastern United States, carrying a wide range of goods across numerous states and key industrial regions.
-
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.
East Tennessee, Virginia and Georgia Railway
The East Tennessee, Virginia and Georgia Railway was a 19th-century American railroad system that connected key parts of the southeastern United States and later became a major component of the Southern Railway network.
-
D.
Wauhatchie Station on the Nashville & Chattanooga Railroad
Wauhatchie Station on the Nashville & Chattanooga Railroad was a key Civil War rail stop near Chattanooga, Tennessee, whose strategic location made it the focus of intense fighting during the Battle of Wauhatchie.
-
E.
North Carolina Railroad corridor
The North Carolina Railroad corridor is a historic rail line running across central North Carolina that has shaped the development and growth of numerous towns and cities along its route.
- 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_69e0b50438e08190917e2538bb8bc034 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e6fcee13b08190a8b3372f6759cd1b |
completed | April 21, 2026, 4:28 a.m. |
Created at: April 16, 2026, 2:05 p.m.