Triple

T16938892
Position Surface form Disambiguated ID Type / Status
Subject Southern Crescent E410898 entity
Predicate operatedOnCorridor P2566 FINISHED
Object Washington–Atlanta–New Orleans corridor
The Washington–Atlanta–New Orleans corridor is a major intercity passenger rail route in the eastern United States linking the Mid-Atlantic, the Southeast, and the Gulf Coast.
 E1241895 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: Washington–Atlanta–New Orleans corridor | Statement: [Southern Crescent, operatedOnCorridor, Washington–Atlanta–New Orleans corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Washington–Atlanta–New Orleans corridor
Context triple: [Southern Crescent, operatedOnCorridor, Washington–Atlanta–New Orleans corridor]
  • A. Atlanta–Columbus corridor
    The Atlanta–Columbus corridor is a major transportation and economic route in western Georgia that links the Atlanta metropolitan area with the city of Columbus and the communities in between.
  • B. Kansas City–Gulf Coast corridor
    The Kansas City–Gulf Coast corridor is a major freight rail route linking the U.S. Midwest around Kansas City with key ports and industrial centers along the Gulf Coast.
  • C. Chicago–Memphis corridor
    The Chicago–Memphis corridor is a major north–south transportation route in the central United States linking the Chicago metropolitan area with Memphis through a network of interstate highways.
  • D. Atlanta–Athens corridor
    The Atlanta–Athens corridor is a heavily traveled economic and transportation corridor in northeastern Georgia linking the Atlanta metropolitan area with the college town of Athens.
  • E. New Orleans–Jackson corridor
    The New Orleans–Jackson corridor is a historic transportation route linking New Orleans, Louisiana, with Jackson, Mississippi, that has served as a key axis for rail and regional 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: Washington–Atlanta–New Orleans corridor
Triple: [Southern Crescent, operatedOnCorridor, Washington–Atlanta–New Orleans corridor]
Generated description
The Washington–Atlanta–New Orleans corridor is a major intercity passenger rail route in the eastern United States linking the Mid-Atlantic, the Southeast, and the Gulf Coast.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Washington–Atlanta–New Orleans corridor
Target entity description: The Washington–Atlanta–New Orleans corridor is a major intercity passenger rail route in the eastern United States linking the Mid-Atlantic, the Southeast, and the Gulf Coast.
  • A. Atlanta–Columbus corridor
    The Atlanta–Columbus corridor is a major transportation and economic route in western Georgia that links the Atlanta metropolitan area with the city of Columbus and the communities in between.
  • B. Kansas City–Gulf Coast corridor
    The Kansas City–Gulf Coast corridor is a major freight rail route linking the U.S. Midwest around Kansas City with key ports and industrial centers along the Gulf Coast.
  • C. Chicago–Memphis corridor
    The Chicago–Memphis corridor is a major north–south transportation route in the central United States linking the Chicago metropolitan area with Memphis through a network of interstate highways.
  • D. Atlanta–Athens corridor
    The Atlanta–Athens corridor is a heavily traveled economic and transportation corridor in northeastern Georgia linking the Atlanta metropolitan area with the college town of Athens.
  • E. New Orleans–Jackson corridor
    The New Orleans–Jackson corridor is a historic transportation route linking New Orleans, Louisiana, with Jackson, Mississippi, that has served as a key axis for rail and regional travel.
  • 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_69d886c886688190967be07322597ac9 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3cf2c44288190a105761ae646989e completed April 18, 2026, 6:36 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00cfe7e75881908f95b1d859dd67e4 completed May 10, 2026, 6:35 p.m.
NEDg Description generation batch_6a00d0b13f1c819091f3f8b966e36214 completed May 10, 2026, 6:38 p.m.
NED2 Entity disambiguation (via description) batch_6a00d1ad6b7081908be76d70ad9e2075 completed May 10, 2026, 6:42 p.m.
Created at: April 10, 2026, 5:31 a.m.