Triple

T9415300
Position Surface form Disambiguated ID Type / Status
Subject Melrose Park station E227002 entity
Predicate lineTerminusEast P3569 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: [Melrose Park station, lineTerminusEast, Ogilvie Transportation Center]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ogilvie Transportation Center
Context triple: [Melrose Park station, lineTerminusEast, 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: lineTerminusEast
Context triple: [Melrose Park station, lineTerminusEast, Ogilvie Transportation Center]
  • A. lineTerminusDirection
    Indicates the directional orientation or bearing at which a line segment or route terminates at its endpoint.
  • B. lineTerminusFor
    Indicates that one entity serves as an endpoint or terminus of a particular line or linear feature represented by another entity.
  • C. definesLineTerminator
    Indicates that one entity specifies what character or sequence of characters marks the end of a line for another entity.
  • D. terminusEast chosen
    Indicates that one entity serves as the eastern endpoint or final stop of another entity, such as a route, line, or path.
  • E. line6Terminus
    Indicates the station or location where transit line 6 ends its route 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_69ca84359e7c819091148ba4b670e436 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd68c7bd648190b17f082883c98239 completed April 1, 2026, 6:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69d107baad74819090a746c06feb28ac completed April 4, 2026, 12:44 p.m.
PD Predicate disambiguation batch_69cca54c37f88190bddccf28e5fe5c84 completed April 1, 2026, 4:55 a.m.
Created at: March 30, 2026, 7:48 p.m.