Triple
T19431797
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | The General (Western and Atlantic Railroad locomotive) |
E486131
|
entity |
| Predicate | previousDisplayLocation |
P13839
|
FINISHED |
| Object | Union Station, Chattanooga, Tennessee |
E450331
|
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: Union Station, Chattanooga, Tennessee | Statement: [The General (Western and Atlantic Railroad locomotive), previousDisplayLocation, Union Station, Chattanooga, Tennessee]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Union Station, Chattanooga, Tennessee Context triple: [The General (Western and Atlantic Railroad locomotive), previousDisplayLocation, Union Station, Chattanooga, Tennessee]
-
A.
Union Station (Nashville)
Union Station (Nashville) is a historic former train terminal in downtown Nashville, Tennessee, now repurposed as a landmark hotel known for its Romanesque Revival architecture and grand clock tower.
-
B.
Chattanooga Choo Choo Terminal Station (historic)
chosen
Chattanooga Choo Choo Terminal Station (historic) is a former railroad terminal in Chattanooga, Tennessee, famed as the inspiration for the popular 1941 song "Chattanooga Choo Choo" and now repurposed as a hotel and entertainment complex.
-
C.
Knoxville Station Transit Center
Knoxville Station Transit Center is the main public transit hub in Knoxville, Tennessee, serving as the central transfer point for the city’s bus system.
-
D.
Marion Union Station
Marion Union Station is a historic railroad station in Marion, Ohio, known for its role as a major rail hub and its preserved architecture reflecting the city’s railroading heritage.
-
E.
Union Station (Meridian, Mississippi)
Union Station in Meridian, Mississippi is a historic intermodal transportation hub that serves as a key Amtrak train station and local transit center, reflecting the city’s railroad heritage and downtown revitalization.
- 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_69d8e8d688f881909c85104a62e09d8a |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e6335b4e388190913ded15ad165b7b |
completed | April 20, 2026, 2:08 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0733db04a481909405391fdb2eee32 |
completed | May 15, 2026, 2:55 p.m. |
Created at: April 10, 2026, 1:37 p.m.