Triple

T1311300
Position Surface form Disambiguated ID Type / Status
Subject Metra Union Pacific West Line E27995 entity
Predicate serves P98 FINISHED
Object Glen Ellyn, Illinois E41580 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: Glen Ellyn, Illinois | Statement: [Metra Union Pacific West Line, serves, Glen Ellyn, Illinois]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Glen Ellyn, Illinois
Context triple: [Metra Union Pacific West Line, serves, Glen Ellyn, Illinois]
  • A. Glen Ellyn, Illinois chosen
    Glen Ellyn, Illinois is a suburban village west of Chicago known for its historic downtown, scenic parks, and residential character within DuPage County.
  • B. Glenview, Illinois
    Glenview, Illinois is a suburban village northwest of downtown Chicago known for its residential neighborhoods, parks, and proximity to major transportation and employment centers.
  • C. Elk Grove Village, Illinois
    Elk Grove Village, Illinois is a suburban community near Chicago known for its large industrial park and proximity to major transportation hubs, including O'Hare International Airport.
  • D. Palos Heights, Illinois
    Palos Heights, Illinois is a suburban city in southwestern Cook County known for its residential character, parks, and proximity to the forest preserves of the Chicago metropolitan area.
  • E. Downers Grove, Illinois
    Downers Grove, Illinois is a suburban village west of Chicago known for its commuter-friendly location, strong schools, and mix of residential neighborhoods and commercial districts.
  • 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_69a496d7d83481908f83085854e51328 completed March 1, 2026, 7:43 p.m.
NER Named-entity recognition batch_69a4c1560f888190bdd9107b08395e0b completed March 1, 2026, 10:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5b729cc34819093ebf3fac53d7a9d completed March 14, 2026, 7:29 p.m.
Created at: March 1, 2026, 7:51 p.m.