Triple

T7196531
Position Surface form Disambiguated ID Type / Status
Subject AC-10 E168628 entity
Predicate usedOnLine P15252 FINISHED
Object 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.
E649258 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 Overland Route | Statement: [AC-10, usedOnLine, Southern Pacific Overland Route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Southern Pacific Overland Route
Context triple: [AC-10, usedOnLine, Southern Pacific Overland Route]
  • A. 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.
  • B. Butterfield Overland Mail
    Butterfield Overland Mail was a 19th-century stagecoach service that carried mail and passengers across the United States on one of the earliest transcontinental routes before the advent of the transcontinental railroad.
  • 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. 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.
  • 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 Overland Route
Triple: [AC-10, usedOnLine, Southern Pacific Overland Route]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Southern Pacific Overland Route
Target entity description: 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.
  • A. 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.
  • B. Butterfield Overland Mail
    Butterfield Overland Mail was a 19th-century stagecoach service that carried mail and passengers across the United States on one of the earliest transcontinental routes before the advent of the transcontinental railroad.
  • 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. 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.
  • 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_69c68a5376748190bb500f03df86e93e completed March 27, 2026, 1:46 p.m.
NER Named-entity recognition batch_69c6e928ecdc8190a7f3feaf6d28781b completed March 27, 2026, 8:31 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7bfa14e1c8190968b207bef0c96a9 completed March 28, 2026, 11:46 a.m.
NEDg Description generation batch_69c7c0a8985c8190894b28c9b733a205 completed March 28, 2026, 11:51 a.m.
NED2 Entity disambiguation (via description) batch_69c7c1352f8881909c3a7d03a5f2a5b1 completed March 28, 2026, 11:53 a.m.
Created at: March 27, 2026, 2:51 p.m.