Triple

T13617247
Position Surface form Disambiguated ID Type / Status
Subject Dixie Flyer E325347 entity
Predicate servedTravelCorridor P105113 FINISHED
Object Midwest–Florida rail corridor
The Midwest–Florida rail corridor was a historic passenger rail route linking Midwestern cities with destinations in Florida, used by notable trains such as the Dixie Flyer.
E1051700 NE FINISHED

How this triple was built (5 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: Midwest–Florida rail corridor | Statement: [Dixie Flyer, servedTravelCorridor, Midwest–Florida rail corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Midwest–Florida rail corridor
Context triple: [Dixie Flyer, servedTravelCorridor, Midwest–Florida rail corridor]
  • A. Jacksonville–Tampa main line
    The Jacksonville–Tampa main line was a key north–south rail route in Florida that connected Jacksonville with Tampa as part of the Atlantic Coast Line Railroad’s passenger and freight network.
  • B. Gulf Coast transport corridor
    The Gulf Coast transport corridor is a major transportation route running along Mexico’s Gulf Coast that links key coastal cities and supports regional trade and mobility.
  • C. Chicago–San Antonio rail corridor
    The Chicago–San Antonio rail corridor is a long-distance passenger rail route in the central United States that links Chicago, Illinois, with San Antonio, Texas, passing through major Midwestern and Southern cities.
  • D. RTD Southeast Corridor
    RTD Southeast Corridor is a major light rail corridor in the Denver metropolitan area that connects downtown Denver with its southeastern suburbs and business districts.
  • E. Gulf Coast transportation corridor
    The Gulf Coast transportation corridor is a major east–west route along the U.S. Gulf of Mexico shoreline that links key coastal cities and facilitates regional commerce and travel.
  • 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: Midwest–Florida rail corridor
Triple: [Dixie Flyer, servedTravelCorridor, Midwest–Florida rail corridor]
Generated description
The Midwest–Florida rail corridor was a historic passenger rail route linking Midwestern cities with destinations in Florida, used by notable trains such as the Dixie Flyer.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Midwest–Florida rail corridor
Target entity description: The Midwest–Florida rail corridor was a historic passenger rail route linking Midwestern cities with destinations in Florida, used by notable trains such as the Dixie Flyer.
  • A. Jacksonville–Tampa main line
    The Jacksonville–Tampa main line was a key north–south rail route in Florida that connected Jacksonville with Tampa as part of the Atlantic Coast Line Railroad’s passenger and freight network.
  • B. Gulf Coast transport corridor
    The Gulf Coast transport corridor is a major transportation route running along Mexico’s Gulf Coast that links key coastal cities and supports regional trade and mobility.
  • C. Chicago–San Antonio rail corridor
    The Chicago–San Antonio rail corridor is a long-distance passenger rail route in the central United States that links Chicago, Illinois, with San Antonio, Texas, passing through major Midwestern and Southern cities.
  • D. RTD Southeast Corridor
    RTD Southeast Corridor is a major light rail corridor in the Denver metropolitan area that connects downtown Denver with its southeastern suburbs and business districts.
  • E. Gulf Coast transportation corridor
    The Gulf Coast transportation corridor is a major east–west route along the U.S. Gulf of Mexico shoreline that links key coastal cities and facilitates regional commerce and travel.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: servedTravelCorridor
Context triple: [Dixie Flyer, servedTravelCorridor, Midwest–Florida rail corridor]
  • A. primaryCorridorServed
    Indicates that a corridor is the main route or pathway served by a given service, facility, or entity.
  • B. transportCorridor
    Indicates a route or pathway used to move people, goods, or resources between locations.
  • C. servesRailCorridor chosen
    Indicates that something (such as a service, facility, or operation) provides service to or operates along a specific rail corridor.
  • D. transportationCorridorType
    Indicates the specific kind or classification of a transportation corridor (such as road, rail, or waterway) that characterizes how the route is used for movement or transit.
  • E. servesPassengerTrafficTo
    Indicates that a transportation facility or service provides regular passenger traffic access or operations to a particular location or area.
  • F. None of above.

Provenance (6 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_69d8076aae28819092cf636190ee5529 completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69dbbb9ee3f081909056dc1a92c40b7a completed April 12, 2026, 3:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69f77fa0b81c819094e2fa209ef9857c completed May 3, 2026, 5:02 p.m.
NEDg Description generation batch_69f783c24d088190ad53fa2d33a255c9 completed May 3, 2026, 5:20 p.m.
NED2 Entity disambiguation (via description) batch_69f78452e8bc8190a55f2be349fe718f completed May 3, 2026, 5:22 p.m.
PD Predicate disambiguation batch_69dbae1b3ee481909bd43ded6227a3e5 completed April 12, 2026, 2:37 p.m.
Created at: April 9, 2026, 9:50 p.m.