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
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.
E1515612 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: 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.
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: New Orleans and Carrollton Railroad
Triple: [St. Charles Avenue streetcar line, hasPredecessor, New Orleans and Carrollton Railroad]
Generated 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.
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 (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_69e11e32445c8190ab97089b48a130bb completed April 16, 2026, 5:36 p.m.
NER Named-entity recognition batch_69f12829c1c081909edc7544242c9c7a completed April 28, 2026, 9:35 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a7b6f2a1c819090cfa07e83f24368 completed May 18, 2026, 2:37 a.m.
NEDg Description generation batch_6a0a7c73537481908c644642f825569f completed May 18, 2026, 2:41 a.m.
NED2 Entity disambiguation (via description) batch_6a0a7d29f5a08190b41cad11e2192727 completed May 18, 2026, 2:44 a.m.
Created at: April 16, 2026, 8:25 p.m.