Triple

T2332844
Position Surface form Disambiguated ID Type / Status
Subject Texas and Pacific Railway E44241 entity
Predicate predecessor P97 FINISHED
Object Southern Pacific Railroad (Texas and Louisiana) (early Texas line, not SP system)
The Southern Pacific Railroad (Texas and Louisiana) was an early regional rail line in Texas and Louisiana that later became part of the Texas and Pacific Railway system.
E255346 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 Pacific Railroad (Texas and Louisiana) (early Texas line, not SP system) | Statement: [Texas and Pacific Railway, predecessor, Southern Pacific Railroad (Texas and Louisiana) (early Texas line, not SP system)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Southern Pacific Railroad (Texas and Louisiana) (early Texas line, not SP system)
Context triple: [Texas and Pacific Railway, predecessor, Southern Pacific Railroad (Texas and Louisiana) (early Texas line, not SP system)]
  • A. 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.
  • B. 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.
  • C. Union Pacific Railway, Southern Branch
    The Union Pacific Railway, Southern Branch was a 19th-century rail line that later evolved into the Missouri–Kansas–Texas Railroad, helping open the American Midwest and Southwest to expanded transportation and commerce.
  • D. 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.
  • E. Southern Pacific Railroad
    Southern Pacific Railroad was a major American railroad company that operated extensive rail networks across the western and southwestern United States from the 19th to the late 20th century.
  • 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 Pacific Railroad (Texas and Louisiana) (early Texas line, not SP system)
Triple: [Texas and Pacific Railway, predecessor, Southern Pacific Railroad (Texas and Louisiana) (early Texas line, not SP system)]
Generated description
The Southern Pacific Railroad (Texas and Louisiana) was an early regional rail line in Texas and Louisiana that later became part of the Texas and Pacific Railway system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Southern Pacific Railroad (Texas and Louisiana) (early Texas line, not SP system)
Target entity description: The Southern Pacific Railroad (Texas and Louisiana) was an early regional rail line in Texas and Louisiana that later became part of the Texas and Pacific Railway system.
  • A. 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.
  • B. 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.
  • C. Union Pacific Railway, Southern Branch
    The Union Pacific Railway, Southern Branch was a 19th-century rail line that later evolved into the Missouri–Kansas–Texas Railroad, helping open the American Midwest and Southwest to expanded transportation and commerce.
  • D. 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.
  • E. Southern Pacific Railroad
    Southern Pacific Railroad was a major American railroad company that operated extensive rail networks across the western and southwestern United States from the 19th to the late 20th century.
  • 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_69a889132b488190bbb43ad4780ddd92 completed March 4, 2026, 7:33 p.m.
NER Named-entity recognition batch_69abc66bd0f08190aad5f640cfa1c372 completed March 7, 2026, 6:32 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae8979bca08190aac46ef3dc1a2be2 completed March 9, 2026, 8:48 a.m.
NEDg Description generation batch_69ae8a4a55c4819082b10a5995395e46 completed March 9, 2026, 8:52 a.m.
NED2 Entity disambiguation (via description) batch_69ae8ae561c081908f64fb7ca43d928e completed March 9, 2026, 8:55 a.m.
Created at: March 4, 2026, 7:51 p.m.