Triple

T11504458
Position Surface form Disambiguated ID Type / Status
Subject Blue Island–Vermont Street E272745 entity
Predicate connectsWith P37 FINISHED
Object Blue Island station (Rock Island District) E166548 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: Blue Island station (Rock Island District) | Statement: [Blue Island–Vermont Street, connectsWith, Blue Island station (Rock Island District)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Blue Island station (Rock Island District)
Context triple: [Blue Island–Vermont Street, connectsWith, Blue Island station (Rock Island District)]
  • A. Blue Island station (Metra Electric) chosen
    Blue Island station (Metra Electric) is a commuter rail station on Metra's Electric District line serving passengers in the suburb of Blue Island, Illinois.
  • B. Libertyville station
    Libertyville station is a commuter rail station in Libertyville, Illinois, that provides regional train service for local residents traveling to and from the Chicago metropolitan area.
  • C. Elburn station
    Elburn station is a commuter rail station in Elburn, Illinois, serving as the western endpoint of Metra’s Union Pacific West Line to Chicago.
  • D. Waukegan station
    Waukegan station is a commuter rail station in Waukegan, Illinois, serving as a key stop and northern terminus for many Metra Union Pacific North Line trains between Chicago and the northern suburbs.
  • E. Illinois Medical District station
    Illinois Medical District station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the Illinois Medical District and nearby West Side institutions.
  • 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_69d6aae2c3748190bed2ea50dfb160dc completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d86db2f4b08190801de1b773932f59 completed April 10, 2026, 3:25 a.m.
NED1 Entity disambiguation (via context triple) batch_69e624d666c081908253cea4e2da1a4a completed April 20, 2026, 1:06 p.m.
Created at: April 8, 2026, 9:36 p.m.