Triple

T2395113
Position Surface form Disambiguated ID Type / Status
Subject Southern Pacific Railroad E47630 entity
Predicate ownedSubsidiary P254 FINISHED
Object 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.
E270683 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: Texas and New Orleans Railroad | Statement: [Southern Pacific Railroad, ownedSubsidiary, Texas and New Orleans Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Texas and New Orleans Railroad
Context triple: [Southern Pacific Railroad, ownedSubsidiary, Texas and New Orleans 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. 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.
  • C. Texas and Pacific Railway
    The Texas and Pacific Railway was a major 19th- and 20th-century American railroad that operated across Texas and into the southwestern United States, playing a key role in regional transportation and economic development.
  • D. St. Louis–San Francisco Railway
    The St. Louis–San Francisco Railway, commonly known as the Frisco, was a major American railroad that operated in the central and south-central United States from the late 19th to the mid-20th century.
  • E. Kansas City Southern Railway
    Kansas City Southern Railway was a major North American freight railroad that operated a core network linking the U.S. Midwest with the Gulf Coast and Mexico.
  • 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: Texas and New Orleans Railroad
Triple: [Southern Pacific Railroad, ownedSubsidiary, Texas and New Orleans Railroad]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Texas and New Orleans Railroad
Target entity description: 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.
  • 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. 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.
  • C. Texas and Pacific Railway
    The Texas and Pacific Railway was a major 19th- and 20th-century American railroad that operated across Texas and into the southwestern United States, playing a key role in regional transportation and economic development.
  • D. St. Louis–San Francisco Railway
    The St. Louis–San Francisco Railway, commonly known as the Frisco, was a major American railroad that operated in the central and south-central United States from the late 19th to the mid-20th century.
  • E. Kansas City Southern Railway
    Kansas City Southern Railway was a major North American freight railroad that operated a core network linking the U.S. Midwest with the Gulf Coast and Mexico.
  • 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_69a88a1c450c81909f61abb8b6863885 completed March 4, 2026, 7:38 p.m.
NER Named-entity recognition batch_69abc879b1b88190be8d0337d9a17bd0 completed March 7, 2026, 6:40 a.m.
NED1 Entity disambiguation (via context triple) batch_69af177b898c8190bee910be75e93f6c completed March 9, 2026, 6:54 p.m.
NEDg Description generation batch_69af1983b4c88190b069032e1c31dd90 completed March 9, 2026, 7:03 p.m.
NED2 Entity disambiguation (via description) batch_69af1afeb07c8190a03b419d01a6ba8c completed March 9, 2026, 7:09 p.m.
Created at: March 4, 2026, 7:57 p.m.