Triple

T3835592
Position Surface form Disambiguated ID Type / Status
Subject Union Pacific lounge cars E91122 entity
Predicate associatedWith P37 FINISHED
Object 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.
E394361 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: Union Pacific Overland Route | Statement: [Union Pacific lounge cars, associatedWith, Union Pacific Overland Route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Union Pacific Overland Route
Context triple: [Union Pacific lounge cars, associatedWith, Union Pacific Overland Route]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Union Pacific Northwest Line
    The Union Pacific Northwest Line is a commuter rail route serving Chicago and its northwestern suburbs as part of the Metra rail system.
  • E. Union Pacific Challenger
    The Union Pacific Challenger was a named passenger train operated by the Union Pacific Railroad, known for providing comfortable, mid-priced long-distance service 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: Union Pacific Overland Route
Triple: [Union Pacific lounge cars, associatedWith, Union Pacific Overland Route]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Union Pacific Overland Route
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Union Pacific Northwest Line
    The Union Pacific Northwest Line is a commuter rail route serving Chicago and its northwestern suburbs as part of the Metra rail system.
  • E. Union Pacific Challenger
    The Union Pacific Challenger was a named passenger train operated by the Union Pacific Railroad, known for providing comfortable, mid-priced long-distance service 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_69aed960b538819096561c8ed448dec9 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aeeb9a27508190b05e5312cc7c8033 completed March 9, 2026, 3:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69b51228a7a48190bc42898be15b450b completed March 14, 2026, 7:45 a.m.
NEDg Description generation batch_69b512e3721c8190accd26499191c153 completed March 14, 2026, 7:48 a.m.
NED2 Entity disambiguation (via description) batch_69b513618b888190acda94dcc91d24d2 completed March 14, 2026, 7:50 a.m.
Created at: March 9, 2026, 3:18 p.m.