Triple

T15762822
Position Surface form Disambiguated ID Type / Status
Subject CTA Purple Line E382139 entity
Predicate hasStation P35 FINISHED
Object Central (Evanston) E23140 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: Central (Evanston) | Statement: [CTA Purple Line, hasStation, Central (Evanston)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Central (Evanston)
Context triple: [CTA Purple Line, hasStation, Central (Evanston)]
  • A. North Center, Chicago
    North Center is a primarily residential neighborhood on Chicago’s North Side known for its family-friendly atmosphere, tree-lined streets, and mix of historic homes, local shops, and neighborhood taverns.
  • B. Evanston, Illinois chosen
    Evanston, Illinois is a suburban city directly north of Chicago, known for being the home of Northwestern University and its vibrant, diverse community along Lake Michigan.
  • C. West Center
    West Center is a small village within the town of West Stockbridge in Berkshire County, western Massachusetts.
  • D. University Village, Chicago
    University Village is a residential and commercial neighborhood on Chicago’s Near West Side known for its proximity to the University of Illinois at Chicago and its mix of student housing, historic buildings, and newer developments.
  • E. Wicker Park
    Wicker Park is a 2004 romantic psychological thriller film starring Josh Hartnett, known for its intricate plot about obsession, mistaken identity, and lost love.
  • 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_69d86d9e6b44819085d1f6a969ecb74c completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e050b6c9fc8190a1bcf763c4b04b12 completed April 16, 2026, 3 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff8776c2488190ad27fd79e2ce4e14 completed May 9, 2026, 7:13 p.m.
Created at: April 10, 2026, 4:47 a.m.