Triple

T7274469
Position Surface form Disambiguated ID Type / Status
Subject Union Pacific North Line E162988 entity
Predicate primaryStationInChicago P394 FINISHED
Object Ogilvie Transportation Center E156565 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: Ogilvie Transportation Center | Statement: [Union Pacific North Line, primaryStationInChicago, Ogilvie Transportation Center]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ogilvie Transportation Center
Context triple: [Union Pacific North Line, primaryStationInChicago, Ogilvie Transportation Center]
  • A. Ogilvie Transportation Center chosen
    Ogilvie Transportation Center is a major commuter rail terminal in downtown Chicago serving multiple Metra lines and connecting suburban riders to the city's central business district.
  • B. Walter Rand Transportation Center
    Walter Rand Transportation Center is a major intermodal transit hub in Camden, New Jersey, serving as a key connection point for regional rail, bus, and subway services.
  • C. Arrott Transportation Center
    Arrott Transportation Center is a major public transit hub in Philadelphia that serves as an important connection point for subway and bus routes in the city’s Frankford neighborhood.
  • D. Aurora Transportation Center
    Aurora Transportation Center is a major commuter rail and bus hub in Aurora, Illinois, serving as the western terminus for Metra’s BNSF Railway Line and a key regional transit center.
  • E. Saco Transportation Center
    Saco Transportation Center is a passenger rail and bus station in Saco, Maine that serves as a regional transportation hub for Amtrak and local transit services.
  • 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: primaryStationInChicago
Context triple: [Union Pacific North Line, primaryStationInChicago, Ogilvie Transportation Center]
  • A. primaryStation chosen
    Indicates that one station is designated as the main or principal station associated with another entity or within a given context.
  • B. formerMainlineStation
    Indicates that a station previously served as a mainline station but no longer holds that status.
  • C. headquartersStation
    Indicates that a particular station serves as the main headquarters location for an organization or entity.
  • D. distanceFromChicagoUnionStation
    Indicates the measured distance between a given location and Chicago Union Station.
  • E. ownedStation
    Indicates that one entity possesses ownership or control over a particular station.
  • 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_69c6885c5964819085b209701769877f completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6eb8a0b4881908ff27c5a75bd4a95 completed March 27, 2026, 8:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7fa6d84b88190916b1d9ddb0d1d0d completed March 28, 2026, 3:57 p.m.
PD Predicate disambiguation batch_69c6e76a84a081908d4184c55b728e48 completed March 27, 2026, 8:24 p.m.
Created at: March 27, 2026, 2:58 p.m.