Triple

T8255202
Position Surface form Disambiguated ID Type / Status
Subject Golden Spike ceremony E193053 entity
Predicate railroadEndpointEast P3569 FINISHED
Object Union Pacific line from Omaha, Nebraska 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: Union Pacific line from Omaha, Nebraska | Statement: [Golden Spike ceremony, railroadEndpointEast, Union Pacific line from Omaha, Nebraska]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Union Pacific line from Omaha, Nebraska
Context triple: [Golden Spike ceremony, railroadEndpointEast, Union Pacific line from Omaha, Nebraska]
  • A. 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.
  • 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. 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.
  • D. 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.
  • E. Burlington and Missouri River Railroad in Nebraska
    The Burlington and Missouri River Railroad in Nebraska was a 19th-century Midwestern railroad whose lines became a key part of the Chicago, Burlington and Quincy Railroad system.
  • 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: railroadEndpointEast
Context triple: [Golden Spike ceremony, railroadEndpointEast, Union Pacific line from Omaha, Nebraska]
  • A. terminusEast chosen
    Indicates that one entity serves as the eastern endpoint or final stop of another entity, such as a route, line, or path.
  • B. railroadTerminusFor
    Indicates that one location serves as the end point or final station of a particular railroad line for another location.
  • C. nextStationEast
    Indicates that one station is the immediate next station to the east of another station along a route or line.
  • D. railroadMet
    Indicates that two or more railroads encountered or connected with each other at a specific place or time.
  • E. railwayJunctionFor
    Indicates that a location serves as a junction point where multiple railway lines or routes connect or intersect for a given railway network or service.
  • F. None of above.

Provenance (4 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_69ca82dfad9c8190b8cd18fb89f50f40 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb78f9f680819088f1d56e0f98974f completed March 31, 2026, 7:34 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd3553b48881909cc72e443aad9539 completed April 1, 2026, 3:10 p.m.
PD Predicate disambiguation batch_69cb36b6d5548190b665a6cce14c69f7 completed March 31, 2026, 2:51 a.m.
Created at: March 30, 2026, 5:48 p.m.