Triple

T5219786
Position Surface form Disambiguated ID Type / Status
Subject BNSF Seattle Subdivision (segments) E117841 entity
Predicate partOfNetwork P840 FINISHED
Object 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.
E504238 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: BNSF Northern Transcon | Statement: [BNSF Seattle Subdivision (segments), partOfNetwork, BNSF Northern Transcon]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: BNSF Northern Transcon
Context triple: [BNSF Seattle Subdivision (segments), partOfNetwork, BNSF Northern Transcon]
  • A. 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.
  • B. Union Pacific North Line
    The Union Pacific North Line is a Metra commuter rail line in the Chicago metropolitan area that runs north from downtown Chicago through suburbs along Lake Michigan into Kenosha, Wisconsin.
  • C. Union Pacific West Line
    The Union Pacific West Line is a commuter rail route in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, providing daily passenger service as part of the Metra system.
  • D. 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.
  • E. BNSF Scenic Subdivision
    The BNSF Scenic Subdivision is a major BNSF Railway line through Washington state’s Cascade Mountains, known for its steep grades, tunnels, and use by both freight and passenger trains.
  • 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: BNSF Northern Transcon
Triple: [BNSF Seattle Subdivision (segments), partOfNetwork, BNSF Northern Transcon]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: BNSF Northern Transcon
Target entity description: 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.
  • A. 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.
  • B. Union Pacific North Line
    The Union Pacific North Line is a Metra commuter rail line in the Chicago metropolitan area that runs north from downtown Chicago through suburbs along Lake Michigan into Kenosha, Wisconsin.
  • C. Union Pacific West Line
    The Union Pacific West Line is a commuter rail route in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, providing daily passenger service as part of the Metra system.
  • D. 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.
  • E. BNSF Scenic Subdivision
    The BNSF Scenic Subdivision is a major BNSF Railway line through Washington state’s Cascade Mountains, known for its steep grades, tunnels, and use by both freight and passenger trains.
  • 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_69bd4465e03081909bfcfd7113062590 completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd7ab6e63c8190964b2b65a0206134 completed March 20, 2026, 4:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69bef8059c808190aac709a199541ce7 completed March 21, 2026, 7:56 p.m.
NEDg Description generation batch_69bef86618988190b1c5e53b4a65c8d9 completed March 21, 2026, 7:58 p.m.
NED2 Entity disambiguation (via description) batch_69bef8c5eed88190a3fded477e72dc65 completed March 21, 2026, 8 p.m.
Created at: March 20, 2026, 1:48 p.m.