Triple

T1295289
Position Surface form Disambiguated ID Type / Status
Subject Metra BNSF Railway Line E27639 entity
Predicate servesSuburb P82 FINISHED
Object Berwyn, Illinois E26607 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: Berwyn, Illinois | Statement: [Metra BNSF Railway Line, servesSuburb, Berwyn, Illinois]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Berwyn, Illinois
Context triple: [Metra BNSF Railway Line, servesSuburb, Berwyn, Illinois]
  • A. Berwyn, Illinois chosen
    Berwyn, Illinois is a suburban city just west of Chicago known for its historic bungalows, diverse community, and vibrant arts and dining scene.
  • B. Berwyn
    Berwyn is a residential neighborhood within College Park, Maryland, known for its suburban character and proximity to the University of Maryland.
  • C. Bellwood, Illinois
    Bellwood, Illinois is a suburban village in Cook County, west of Chicago, known as a residential community with convenient access to major highways and the broader Chicago metropolitan area.
  • D. Des Plaines, Illinois
    Des Plaines, Illinois is a suburban city northwest of Chicago known for its proximity to O'Hare International Airport and its location along the Des Plaines River.
  • E. Palos Park, Illinois
    Palos Park, Illinois is a small, affluent suburban village southwest of Chicago known for its forest preserves, scenic natural areas, and residential character.
  • 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_69a496d6682881909ba658f1c1e0e2b0 completed March 1, 2026, 7:43 p.m.
NER Named-entity recognition batch_69a4c0f4031481908f5e3a53d8a72929 completed March 1, 2026, 10:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69b56b1a598c8190822f1d0cdd98fdbc completed March 14, 2026, 2:05 p.m.
Created at: March 1, 2026, 7:51 p.m.