Triple

T4059613
Position Surface form Disambiguated ID Type / Status
Subject Southern Railway (U.S.) E84776 entity
Predicate notableTrain P1669 FINISHED
Object Southern Crescent
The Southern Crescent was a famed Southern Railway passenger train that provided luxurious long-distance service between Washington, D.C., and New Orleans during the mid-20th century.
E410898 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: Southern Crescent | Statement: [Southern Railway (U.S.), notableTrain, Southern Crescent]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Southern Crescent
Context triple: [Southern Railway (U.S.), notableTrain, Southern Crescent]
  • A. Upper South
    The Upper South is a subregion of the United States generally referring to the northernmost tier of Southern states, often including Kentucky, Virginia, West Virginia, Tennessee, and sometimes parts of neighboring states, distinguished historically and culturally from the Deep South.
  • B. Southeastern
    Southeastern is a British train operating company that runs passenger rail services across southeast London and the counties of Kent and East Sussex.
  • C. Mid-South
    Mid-South is a cultural and economic region of the south-central United States centered around Memphis and encompassing parts of Tennessee, Mississippi, Arkansas, and nearby areas.
  • D. Southern United States
    The Southern United States is a culturally distinct region of the country known for its historical ties to the Confederacy, unique traditions in music and cuisine, and a warm climate spanning from the Atlantic coast to the Gulf of Mexico.
  • E. Southern Mississippi
    Southern Mississippi is a region in the southern part of the U.S. state of Mississippi, known for its pine forests, cultural heritage, and cities such as Hattiesburg.
  • 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: Southern Crescent
Triple: [Southern Railway (U.S.), notableTrain, Southern Crescent]
Generated description
The Southern Crescent was a famed Southern Railway passenger train that provided luxurious long-distance service between Washington, D.C., and New Orleans during the mid-20th century.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Southern Crescent
Target entity description: The Southern Crescent was a famed Southern Railway passenger train that provided luxurious long-distance service between Washington, D.C., and New Orleans during the mid-20th century.
  • A. Upper South
    The Upper South is a subregion of the United States generally referring to the northernmost tier of Southern states, often including Kentucky, Virginia, West Virginia, Tennessee, and sometimes parts of neighboring states, distinguished historically and culturally from the Deep South.
  • B. Southeastern
    Southeastern is a British train operating company that runs passenger rail services across southeast London and the counties of Kent and East Sussex.
  • C. Mid-South
    Mid-South is a cultural and economic region of the south-central United States centered around Memphis and encompassing parts of Tennessee, Mississippi, Arkansas, and nearby areas.
  • D. Southern United States
    The Southern United States is a culturally distinct region of the country known for its historical ties to the Confederacy, unique traditions in music and cuisine, and a warm climate spanning from the Atlantic coast to the Gulf of Mexico.
  • E. Southern Mississippi
    Southern Mississippi is a region in the southern part of the U.S. state of Mississippi, known for its pine forests, cultural heritage, and cities such as Hattiesburg.
  • 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_69aed933bec881909edfa28ebb69c634 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefbd32c0c8190bc575974ccf831b3 completed March 9, 2026, 4:56 p.m.
NED1 Entity disambiguation (via context triple) batch_69b562a98c488190a7e77cd46ff998bc completed March 14, 2026, 1:29 p.m.
NEDg Description generation batch_69b5637cd5b881909a930ecb33eed991 completed March 14, 2026, 1:32 p.m.
NED2 Entity disambiguation (via description) batch_69b564603b4881909e80970aa21e3db4 completed March 14, 2026, 1:36 p.m.
Created at: March 9, 2026, 3:38 p.m.