Triple

T22841553
Position Surface form Disambiguated ID Type / Status
Subject St. Louis, Memphis and Southeastern Railroad E566092 entity
Predicate alsoKnownAs P39 FINISHED
Object St. Louis, Memphis & Southeastern Railroad — NE NERFINISHED

How this triple was built (2 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: St. Louis, Memphis & Southeastern Railroad | Statement: [St. Louis, Memphis and Southeastern Railroad, alsoKnownAs, St. Louis, Memphis & Southeastern Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: St. Louis, Memphis & Southeastern Railroad
Context triple: [St. Louis, Memphis and Southeastern Railroad, alsoKnownAs, St. Louis, Memphis & Southeastern Railroad]
  • A. St. Louis, Memphis and Southeastern Railroad chosen
    The St. Louis, Memphis and Southeastern Railroad was a regional U.S. railroad line that operated in the early 20th century, later becoming part of the St. Louis–San Francisco Railway (Frisco) system.
  • B. Nashville, Chattanooga and St. Louis Railway
    The Nashville, Chattanooga and St. Louis Railway was a prominent Southern U.S. railroad that connected key cities across Tennessee and neighboring states, playing a major role in regional transportation and commerce in the late 19th and early 20th centuries.
  • C. St. Louis Southwestern Railway
    St. Louis Southwestern Railway, commonly known as the Cotton Belt, was a regional U.S. railroad that primarily served the south-central states and later became part of the Southern Pacific system.
  • D. 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.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e245869e188190a196584f36e682da completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f17e855abc8190b9cf8cc515090a7f completed April 29, 2026, 3:44 a.m.
Created at: April 17, 2026, 3:35 p.m.