Triple

T16245520
Position Surface form Disambiguated ID Type / Status
Subject Union Pacific City of San Francisco E394360 entity
Predicate operatedBySegment P122328 FINISHED
Object Chicago and North Western Railway between Chicago and Omaha E514947 NE FINISHED

How this triple was built (3 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: Chicago and North Western Railway between Chicago and Omaha | Statement: [Union Pacific City of San Francisco, operatedBySegment, Chicago and North Western Railway between Chicago and Omaha]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chicago and North Western Railway between Chicago and Omaha
Context triple: [Union Pacific City of San Francisco, operatedBySegment, Chicago and North Western Railway between Chicago and Omaha]
  • A. Chicago–Omaha main line chosen
    The Chicago–Omaha main line was a principal transcontinental rail corridor in the Midwestern United States, linking Chicago with Omaha and serving as a key route for both passenger and freight traffic.
  • B. Chicago–Sioux City line
    The Chicago–Sioux City line is a historic Midwestern rail route that connected Chicago, Illinois, with Sioux City, Iowa, serving as a key corridor for passenger and freight traffic in the region.
  • C. Chicago, St. Paul, Minneapolis and Omaha Railway
    The Chicago, St. Paul, Minneapolis and Omaha Railway was a Midwestern U.S. railroad system that operated extensive regional passenger and freight services, particularly across Wisconsin, Minnesota, and surrounding states.
  • D. Chicago and North Western Railway corridor
    The Chicago and North Western Railway corridor is a former Midwestern railroad route whose abandoned right-of-way has been repurposed in places, such as in Iowa, for recreational trails and other community uses.
  • E. Minneapolis and St. Louis Railway
    The Minneapolis and St. Louis Railway was a regional railroad in the Midwestern United States that primarily served agricultural areas by connecting smaller communities to major rail hubs.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: operatedBySegment
Context triple: [Union Pacific City of San Francisco, operatedBySegment, Chicago and North Western Railway between Chicago and Omaha]
  • A. operatesInSegment
    Indicates that an entity conducts its activities or provides its services within a specified market or operational segment.
  • B. operatedByUnit
    Indicates that an entity (such as a system, device, or facility) is run, controlled, or managed by a specific organizational unit.
  • C. operatesBy
    Indicates that an entity performs its function, action, or process through the use or application of another entity (e.g., a method, mechanism, or principle).
  • D. oftenOperatedBy
    Indicates that an entity is frequently or typically operated, controlled, or run by another entity.
  • E. operatedAs
    Indicates that an entity functioned or was used in the capacity, role, or identity of another entity for some period of time.
  • 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_69d87f2171208190951025e526947816 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e24561d250819096f709ea8751fcb9 completed April 17, 2026, 2:36 p.m.
NED1 Entity disambiguation (via context triple) batch_6a000ee135b881909cc1b6919bc7af29 completed May 10, 2026, 4:51 a.m.
PD Predicate disambiguation batch_69e219ee6f6481909663b388dc99770a completed April 17, 2026, 11:30 a.m.
PDg Predicate description generation batch_69e21e55a2388190b29a045a8c608ba4 completed April 17, 2026, 11:49 a.m.
Created at: April 10, 2026, 5:04 a.m.