Triple

T6317009
Position Surface form Disambiguated ID Type / Status
Subject Metra Union Pacific North Line E141640 entity
Predicate connectsWith P37 FINISHED
Object Metra Union Pacific Northwest Line E128947 NE FINISHED

How this triple was built (2 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: Metra Union Pacific Northwest Line | Statement: [Metra Union Pacific North Line, connectsWith, Metra Union Pacific Northwest Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metra Union Pacific Northwest Line
Context triple: [Metra Union Pacific North Line, connectsWith, Metra Union Pacific Northwest Line]
  • A. Metra Union Pacific Northwest Line chosen
    The Metra Union Pacific Northwest Line is a commuter rail line in the Chicago metropolitan area that provides service between downtown Chicago and its northwestern suburbs, including parts of McHenry County, Illinois.
  • B. Metra Union Pacific North Line
    The Metra Union Pacific North Line is a commuter rail line in the Chicago metropolitan area that runs between downtown Chicago and its northern suburbs along the Union Pacific Railroad’s North Line.
  • C. Metra Union Pacific West Line
    The Metra Union Pacific West Line is a commuter rail line in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, including communities in DuPage County.
  • D. Metra BNSF Railway Line
    The Metra BNSF Railway Line is a major Chicago-area commuter rail route running between Chicago Union Station and Aurora, Illinois, primarily along tracks owned by BNSF Railway.
  • E. Golden Valley Line
    The Golden Valley Line is a regional railway route in England running through the scenic Golden Valley between Gloucester and Swindon, serving towns such as Stroud and Kemble.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69c008d13b8c8190be47d896eb735605 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c064c25530819080b29e0029175c00 completed March 22, 2026, 9:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6385ef7c48190bc81711856977330 completed March 27, 2026, 7:57 a.m.
Created at: March 22, 2026, 4:29 p.m.