Triple

T16245588
Position Surface form Disambiguated ID Type / Status
Subject Union Pacific Overland Route E394361 entity
Predicate competition P563 FINISHED
Object Southern Pacific Sunset Route
The Southern Pacific Sunset Route was a major transcontinental rail line operated by the Southern Pacific Railroad, connecting the U.S. Gulf Coast and Pacific Coast as a key southern corridor for freight and passenger service.
E1203105 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 Sunset Route | Statement: [Union Pacific Overland Route, competition, Southern Pacific Sunset Route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Southern Pacific Sunset Route
Context triple: [Union Pacific Overland Route, competition, Southern Pacific Sunset Route]
  • A. Southern Pacific Overland Route
    The Southern Pacific Overland Route was a major transcontinental rail line in the United States that connected California with the Midwest and East, serving as a key artery for both passenger and freight traffic.
  • B. California Zephyr
    The California Zephyr is a long-distance passenger train route in the United States that runs through the Rocky Mountains and Sierra Nevada, often regarded as one of the most scenic rail journeys in North America.
  • C. BNSF Northern Transcon
    BNSF Northern Transcon is a major transcontinental freight rail corridor of BNSF Railway that links the U.S. Pacific Northwest with the Midwest and Chicago.
  • D. BNSF Southern Transcon
    The BNSF Southern Transcon is a major high-capacity freight rail corridor across the southern United States, serving as one of BNSF Railway’s primary routes for transcontinental intermodal and merchandise traffic.
  • E. Union Pacific Overland Route
    The Union Pacific Overland Route was a premier transcontinental rail line that served as a primary passenger and freight corridor across the western United States.
  • 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 Sunset Route
Triple: [Union Pacific Overland Route, competition, Southern Pacific Sunset Route]
Generated description
The Southern Pacific Sunset Route was a major transcontinental rail line operated by the Southern Pacific Railroad, connecting the U.S. Gulf Coast and Pacific Coast as a key southern corridor for freight and passenger service.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Southern Pacific Sunset Route
Target entity description: The Southern Pacific Sunset Route was a major transcontinental rail line operated by the Southern Pacific Railroad, connecting the U.S. Gulf Coast and Pacific Coast as a key southern corridor for freight and passenger service.
  • A. Southern Pacific Overland Route
    The Southern Pacific Overland Route was a major transcontinental rail line in the United States that connected California with the Midwest and East, serving as a key artery for both passenger and freight traffic.
  • B. California Zephyr
    The California Zephyr is a long-distance passenger train route in the United States that runs through the Rocky Mountains and Sierra Nevada, often regarded as one of the most scenic rail journeys in North America.
  • C. BNSF Northern Transcon
    BNSF Northern Transcon is a major transcontinental freight rail corridor of BNSF Railway that links the U.S. Pacific Northwest with the Midwest and Chicago.
  • D. BNSF Southern Transcon
    The BNSF Southern Transcon is a major high-capacity freight rail corridor across the southern United States, serving as one of BNSF Railway’s primary routes for transcontinental intermodal and merchandise traffic.
  • E. Union Pacific Overland Route
    The Union Pacific Overland Route was a premier transcontinental rail line that served as a primary passenger and freight corridor across the western United States.
  • 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_69d87f2171208190951025e526947816 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e24561d250819096f709ea8751fcb9 completed April 17, 2026, 2:36 p.m.
NED1 Entity disambiguation (via context triple) batch_6a000ee135b881909cc1b6919bc7af29 completed May 10, 2026, 4:51 a.m.
NEDg Description generation batch_6a00132b0ca4819080f45f929ac39eca completed May 10, 2026, 5:10 a.m.
NED2 Entity disambiguation (via description) batch_6a00138ca1b48190bd7d79699b9e2114 completed May 10, 2026, 5:11 a.m.
Created at: April 10, 2026, 5:04 a.m.