Triple

T1422822
Position Surface form Disambiguated ID Type / Status
Subject Southern Pacific Cab Forward locomotive E30261 entity
Predicate railroadLineUsedOn P15040 FINISHED
Object Overland Route E38258 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: Overland Route | Statement: [Southern Pacific Cab Forward locomotive, railroadLineUsedOn, Overland Route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Overland Route
Context triple: [Southern Pacific Cab Forward locomotive, railroadLineUsedOn, Overland Route]
  • A. Overland Route (historic) chosen
    The Overland Route (historic) was a major transcontinental rail corridor in the United States that linked the Midwest to the Pacific Coast and served as a primary artery for passenger and freight traffic in the late 19th and early 20th centuries.
  • B. Eastern Route
    Eastern Route is a historic Boston-area railroad corridor that serves as the primary right-of-way for MBTA Commuter Rail service to Newburyport and Rockport.
  • C. West-Northwest Route
    West-Northwest Route was the former name of a Chicago Transit Authority rapid transit line that is now part of the Blue Line.
  • D. Panhandle Route
    The Panhandle Route was a major American railroad line operated by the Pittsburgh, Cincinnati, Chicago and St. Louis Railroad that connected key Midwestern and Eastern cities as part of the Pennsylvania Railroad system.
  • E. Santa Fe Trail
    The Santa Fe Trail was a 19th-century overland trade and travel route connecting Missouri with Santa Fe, New Mexico, that played a crucial role in westward expansion and commerce in the United States.
  • 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: railroadLineUsedOn
Context triple: [Southern Pacific Cab Forward locomotive, railroadLineUsedOn, Overland Route]
  • A. railwayLine
    Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
  • B. usesRailInfrastructureOf chosen
    Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
  • C. railwayLineType
    Indicates the specific kind or classification of a railway line associated with an entity (e.g., main line, branch line, high-speed line).
  • D. formerRailwayLine
    Indicates that a railway line previously existed in the past but is no longer in operation or has been decommissioned.
  • E. railwayUse
    Indicates that something is used as, or functions in the capacity of, a railway or rail-based transportation facility.
  • 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_69a498fb823c8190a67ce4c4837e641a completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c52e4ed881908d85e0cb9fe851ac completed March 1, 2026, 11:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad0161e23c819099a1c72627f13dd0 completed March 8, 2026, 4:56 a.m.
PD Predicate disambiguation batch_69a4c4752abc8190a33b634c4d6fad28 completed March 1, 2026, 10:57 p.m.
Created at: March 1, 2026, 8 p.m.