Triple

T12133673
Position Surface form Disambiguated ID Type / Status
Subject Loop community area E288996 entity
Predicate traversedBy P225 FINISHED
Object Chicago 'L' Loop elevated tracks E807784 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: Chicago 'L' Loop elevated tracks | Statement: [Loop community area, traversedBy, Chicago 'L' Loop elevated tracks]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chicago 'L' Loop elevated tracks
Context triple: [Loop community area, traversedBy, Chicago 'L' Loop elevated tracks]
  • A. South Side elevated lines of Chicago
    The South Side elevated lines of Chicago are a historic segment of the city’s rapid transit system serving Chicago’s South Side neighborhoods as part of the “L” network.
  • B. Chicago elevated railways chosen
    Chicago elevated railways are a historic urban rapid transit system in Chicago, known for their distinctive above-ground tracks and central role in the city’s public transportation network.
  • C. Boston Elevated Railway
    The Boston Elevated Railway was a former public transit company that operated Boston’s early elevated and streetcar lines before being succeeded by the modern MBTA system known as “the T.”
  • D. Northwestern Elevated Railroad
    The Northwestern Elevated Railroad was an early elevated rapid transit line in Chicago that later became part of the city’s unified "L" system.
  • E. Metropolitan West Side Elevated Railroad
    The Metropolitan West Side Elevated Railroad was an early elevated transit line in Chicago that formed part of the city’s first rapid transit system on the West Side.
  • 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_69d6ab4b5e4c81909950b17151eb0951 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d9158c59e0819094d4522a107482b2 completed April 10, 2026, 3:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69f5f68c8ee081908a0331805f62cb0d completed May 2, 2026, 1:05 p.m.
Created at: April 8, 2026, 9:49 p.m.