Triple

T6692353
Position Surface form Disambiguated ID Type / Status
Subject Milwaukee Road E152656 entity
Predicate abandonedSegment P72240 FINISHED
Object Pacific Extension
The Pacific Extension was the Milwaukee Road railroad’s ambitious early 20th-century transcontinental line that stretched from the Midwest to the Pacific Northwest before ultimately being abandoned.
E612560 NE FINISHED

How this triple was built (5 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: Pacific Extension | Statement: [Milwaukee Road, abandonedSegment, Pacific Extension]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pacific Extension
Context triple: [Milwaukee Road, abandonedSegment, Pacific Extension]
  • A. Cascadia
    Cascadia is a bioregion and cultural concept in the Pacific Northwest that encompasses parts of the U.S. and Canadian west coast, known for its temperate rainforests, mountain ranges, and strong environmental identity.
  • B. Pacific Shores
    Pacific Shores is a marine-themed exhibit at the Oregon Zoo featuring coastal wildlife and habitats from the Pacific Ocean.
  • C. Pacific Belt Zone
    The Pacific Belt Zone is Japan’s main industrial and urban corridor stretching along the Pacific coast, concentrating much of the country’s manufacturing, infrastructure, and population.
  • D. Pacific Rim of the Americas
    The Pacific Rim of the Americas is the group of North, Central, and South American countries with coastlines on the Pacific Ocean, forming a key region for trans-Pacific trade and economic integration.
  • E. Pacific Region
    The Pacific Region is a regional office of the U.S. Bureau of Ocean Energy Management responsible for managing offshore energy and mineral resources along the Pacific coast.
  • 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: Pacific Extension
Triple: [Milwaukee Road, abandonedSegment, Pacific Extension]
Generated description
The Pacific Extension was the Milwaukee Road railroad’s ambitious early 20th-century transcontinental line that stretched from the Midwest to the Pacific Northwest before ultimately being abandoned.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pacific Extension
Target entity description: The Pacific Extension was the Milwaukee Road railroad’s ambitious early 20th-century transcontinental line that stretched from the Midwest to the Pacific Northwest before ultimately being abandoned.
  • A. Cascadia
    Cascadia is a bioregion and cultural concept in the Pacific Northwest that encompasses parts of the U.S. and Canadian west coast, known for its temperate rainforests, mountain ranges, and strong environmental identity.
  • B. Pacific Shores
    Pacific Shores is a marine-themed exhibit at the Oregon Zoo featuring coastal wildlife and habitats from the Pacific Ocean.
  • C. Pacific Belt Zone
    The Pacific Belt Zone is Japan’s main industrial and urban corridor stretching along the Pacific coast, concentrating much of the country’s manufacturing, infrastructure, and population.
  • D. Pacific Rim of the Americas
    The Pacific Rim of the Americas is the group of North, Central, and South American countries with coastlines on the Pacific Ocean, forming a key region for trans-Pacific trade and economic integration.
  • E. Pacific Region
    The Pacific Region is a regional office of the U.S. Bureau of Ocean Energy Management responsible for managing offshore energy and mineral resources along the Pacific coast.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: abandonedSegment
Context triple: [Milwaukee Road, abandonedSegment, Pacific Extension]
  • A. abandonedIn
    Indicates that one entity was left behind or deserted in the location or context specified by another entity.
  • B. abandonedBy
    Indicates that one entity has been deserted, forsaken, or left behind by another entity that was previously present, responsible, or involved.
  • C. abandonedAfterEvent
    Indicates that one entity ceased support for, left, or discontinued involvement with another entity following a specific event or occurrence.
  • D. returnSegment
    Indicates that an entity represents a segment or portion of a return, such as a specific leg, phase, or component of a return process or journey.
  • E. abandonedReason
    Indicates the reason or cause for which something was abandoned, discontinued, or given up.
  • F. None of above. chosen

Provenance (7 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_69c6880687b08190805278b504d1c92c completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6cd0fa5188190a23281cb09d98139 completed March 27, 2026, 6:31 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6f7b70ef88190b605c3c70a941cdb completed March 27, 2026, 9:33 p.m.
NEDg Description generation batch_69c6f86efd00819099d48fe7cb9640a3 completed March 27, 2026, 9:36 p.m.
NED2 Entity disambiguation (via description) batch_69c6f91ac7788190832a133c4fe046f1 completed March 27, 2026, 9:39 p.m.
PD Predicate disambiguation batch_69c6ad0d3c1081908dadff7a6a054123 completed March 27, 2026, 4:15 p.m.
PDg Predicate description generation batch_69c6cd0d939081908ede0bb6ce19f559 completed March 27, 2026, 6:31 p.m.
Created at: March 27, 2026, 2:05 p.m.