Triple
T3090157
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Louisville and Nashville Railroad |
E64460
|
entity |
| Predicate | notablePassengerTrain |
P1669
|
FINISHED |
| Object |
Dixie Flyer
The Dixie Flyer was a prominent named passenger train that provided long-distance service through the American South, particularly connecting the Midwest to Florida vacation destinations.
|
E325347
|
NE FINISHED |
How this triple was built (4 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: Dixie Flyer | Statement: [Louisville and Nashville Railroad, notablePassengerTrain, Dixie Flyer]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dixie Flyer Context triple: [Louisville and Nashville Railroad, notablePassengerTrain, Dixie Flyer]
-
A.
Auto Train
Auto Train is a long-distance Amtrak service that carries both passengers and their vehicles nonstop between the Washington, D.C. area and central Florida.
-
B.
Silver Star (train)
The Silver Star is an Amtrak long-distance passenger train that operates between New York City and Miami, serving major cities along the U.S. East Coast.
-
C.
Acela
Acela is Amtrak’s high-speed train service in the Northeast Corridor, known for providing the fastest intercity rail travel in the United States between cities like Boston, New York, and Washington, D.C.
-
D.
Crescent (train)
The Crescent is a long-distance Amtrak passenger train that runs daily between New York City and New Orleans, serving major cities along the U.S. East Coast and Deep South.
-
E.
Palmetto (train)
The Palmetto is an Amtrak intercity passenger train that operates along the U.S. East Coast between New York City and Savannah, Georgia.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Dixie Flyer Triple: [Louisville and Nashville Railroad, notablePassengerTrain, Dixie Flyer]
Generated description
The Dixie Flyer was a prominent named passenger train that provided long-distance service through the American South, particularly connecting the Midwest to Florida vacation destinations.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Dixie Flyer Target entity description: The Dixie Flyer was a prominent named passenger train that provided long-distance service through the American South, particularly connecting the Midwest to Florida vacation destinations.
-
A.
Auto Train
Auto Train is a long-distance Amtrak service that carries both passengers and their vehicles nonstop between the Washington, D.C. area and central Florida.
-
B.
Silver Star (train)
The Silver Star is an Amtrak long-distance passenger train that operates between New York City and Miami, serving major cities along the U.S. East Coast.
-
C.
Acela
Acela is Amtrak’s high-speed train service in the Northeast Corridor, known for providing the fastest intercity rail travel in the United States between cities like Boston, New York, and Washington, D.C.
-
D.
Crescent (train)
The Crescent is a long-distance Amtrak passenger train that runs daily between New York City and New Orleans, serving major cities along the U.S. East Coast and Deep South.
-
E.
Palmetto (train)
The Palmetto is an Amtrak intercity passenger train that operates along the U.S. East Coast between New York City and Savannah, Georgia.
- F. None of above. chosen
Provenance (5 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_69ad857c97d88190b26f9b1c90839c77 |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69ada20d8f788190b05b8b6b5042bc1a |
completed | March 8, 2026, 4:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b1f8a6fe2081909e2bf9ee5629f017 |
completed | March 11, 2026, 11:20 p.m. |
| NEDg | Description generation | batch_69b1f94a05608190bc163a6950586ff9 |
completed | March 11, 2026, 11:22 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b1f9ad0b148190b98f93699598dd1e |
completed | March 11, 2026, 11:24 p.m. |
Created at: March 8, 2026, 3:03 p.m.