Triple

T11504493
Position Surface form Disambiguated ID Type / Status
Subject South Chicago (93rd Street) E272746 entity
Predicate locatedOn P40 FINISHED
Object South Chicago Branch E275124 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: South Chicago Branch | Statement: [South Chicago (93rd Street), locatedOn, South Chicago Branch]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: South Chicago Branch
Context triple: [South Chicago (93rd Street), locatedOn, South Chicago Branch]
  • A. South Chicago branch chosen
    The South Chicago branch is a commuter rail branch line in Chicago operated as part of Metra's Electric District, serving neighborhoods on the city's South Side.
  • B. Cermak Branch
    Cermak Branch is a segment of the Chicago Transit Authority’s rapid transit system that forms part of the Pink Line route.
  • C. Blue Island branch
    The Blue Island branch is a commuter rail branch line in the Chicago area that serves as part of Metra's Electric District network, connecting downtown Chicago with the suburb of Blue Island.
  • D. South Side Elevated branch
    The South Side Elevated branch is a historic segment of Chicago's rapid transit system that serves the city's South Side as part of the Chicago "L" network.
  • E. Springfield Branch
    Springfield Branch is a neighborhood library facility that serves as one of the community branches within the Newark Public Library system.
  • 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.