Triple

T5621191
Position Surface form Disambiguated ID Type / Status
Subject Sloan E147606 entity
Predicate hasTransportation P105 FINISHED
Object Union Pacific Railroad line
The Union Pacific Railroad line is a major freight rail route in the western United States operated by Union Pacific Railroad, one of the largest railroad networks in North America.
 E534835 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 Railroad line | Statement: [Sloan, hasTransportation, Union Pacific Railroad line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Union Pacific Railroad line
Context triple: [Sloan, hasTransportation, Union Pacific Railroad line]
  • A. 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.
  • 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. Burlington Northern Santa Fe Railway main line
    The Burlington Northern Santa Fe Railway main line is a major transcontinental freight rail corridor in the United States that carries heavy rail traffic across key western routes, including the desert region near Needles, California.
  • D. Union Pacific Railroad Niles Subdivision
    The Union Pacific Railroad Niles Subdivision is a freight and passenger rail corridor in California’s East Bay and Tri-Valley region that carries both Union Pacific trains and commuter services such as the Altamont Corridor Express.
  • E. 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.
  • 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 Railroad line
Triple: [Sloan, hasTransportation, Union Pacific Railroad line]
Generated description
The Union Pacific Railroad line is a major freight rail route in the western United States operated by Union Pacific Railroad, one of the largest railroad networks in North America.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Union Pacific Railroad line
Target entity description: The Union Pacific Railroad line is a major freight rail route in the western United States operated by Union Pacific Railroad, one of the largest railroad networks in North America.
  • A. 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.
  • 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. Burlington Northern Santa Fe Railway main line
    The Burlington Northern Santa Fe Railway main line is a major transcontinental freight rail corridor in the United States that carries heavy rail traffic across key western routes, including the desert region near Needles, California.
  • D. Union Pacific Railroad Niles Subdivision
    The Union Pacific Railroad Niles Subdivision is a freight and passenger rail corridor in California’s East Bay and Tri-Valley region that carries both Union Pacific trains and commuter services such as the Altamont Corridor Express.
  • E. 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.
  • 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_69c00906f2a88190a992c66b13d606d4 completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c02211c8f4819090d19656c6eac2d4 completed March 22, 2026, 5:08 p.m.
NED1 Entity disambiguation (via context triple) batch_69c04d59317c8190a4a3b186a46a7249 completed March 22, 2026, 8:13 p.m.
NEDg Description generation batch_69c04e89b7c481908abae227d22cc814 completed March 22, 2026, 8:18 p.m.
NED2 Entity disambiguation (via description) batch_69c04f41b158819097f9ef536215e248 completed March 22, 2026, 8:21 p.m.
Created at: March 22, 2026, 3:40 p.m.