Triple
T22041638
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | St. Charles Avenue streetcar line |
E544648
|
entity |
| Predicate | hasPredecessor |
P97
|
FINISHED |
| Object | New Orleans and Carrollton Railroad |
—
|
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: New Orleans and Carrollton Railroad | Statement: [St. Charles Avenue streetcar line, hasPredecessor, New Orleans and Carrollton Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New Orleans and Carrollton Railroad Context triple: [St. Charles Avenue streetcar line, hasPredecessor, New Orleans and Carrollton Railroad]
-
A.
New Orleans, Jackson and Great Northern Railroad
The New Orleans, Jackson and Great Northern Railroad was a 19th-century rail line that connected New Orleans with central Mississippi and played a key role in the development of towns along its route.
-
B.
Texas and New Orleans Railroad
The Texas and New Orleans Railroad was a major regional rail carrier in Texas and Louisiana that became a key component of the Southern Pacific system in the American Southwest.
-
C.
Southern Street Railway Company
The Southern Street Railway Company was a transit operator that managed portions of Chicago’s streetcar network as part of the Chicago Surface Lines system.
-
D.
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.
-
E.
Mississippi and Tennessee Railroad
The Mississippi and Tennessee Railroad was a 19th-century rail line that connected parts of Mississippi with Tennessee, contributing to regional transportation and economic development in the American South.
- 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: New Orleans and Carrollton Railroad Target entity description: The New Orleans and Carrollton Railroad was a 19th-century street railway company in New Orleans that developed one of the city’s earliest transit lines, which evolved into today’s historic St. Charles Avenue streetcar line.
-
A.
New Orleans, Jackson and Great Northern Railroad
The New Orleans, Jackson and Great Northern Railroad was a 19th-century rail line that connected New Orleans with central Mississippi and played a key role in the development of towns along its route.
-
B.
Texas and New Orleans Railroad
The Texas and New Orleans Railroad was a major regional rail carrier in Texas and Louisiana that became a key component of the Southern Pacific system in the American Southwest.
-
C.
Southern Street Railway Company
The Southern Street Railway Company was a transit operator that managed portions of Chicago’s streetcar network as part of the Chicago Surface Lines system.
-
D.
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.
-
E.
Mississippi and Tennessee Railroad
The Mississippi and Tennessee Railroad was a 19th-century rail line that connected parts of Mississippi with Tennessee, contributing to regional transportation and economic development in the American South.
- F. None of above. chosen
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_69e11e32445c8190ab97089b48a130bb |
completed | April 16, 2026, 5:36 p.m. |
| NER | Named-entity recognition | batch_69f12829c1c081909edc7544242c9c7a |
completed | April 28, 2026, 9:35 p.m. |
Created at: April 16, 2026, 8:25 p.m.