Triple

T15877264
Position Surface form Disambiguated ID Type / Status
Subject CTA Yellow Line E384981 entity
Predicate connectsWith P37 FINISHED
Object Red Line at Howard E1176033 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: Red Line at Howard | Statement: [CTA Yellow Line, connectsWith, Red Line at Howard]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Red Line at Howard
Context triple: [CTA Yellow Line, connectsWith, Red Line at Howard]
  • A. Red Line at Howard chosen
    Red Line at Howard is a major Chicago Transit Authority rail terminal on the city’s North Side that serves as the northern terminus of the Red Line and a key transfer point to other ‘L’ routes.
  • B. Yellow Line at Howard
    Yellow Line at Howard is a Chicago Transit Authority rapid transit service that begins at Howard station, providing Yellow Line trains with access to the rest of the ‘L’ network.
  • C. Red Line at Jackson
    The Red Line at Jackson is a major Chicago 'L' subway station in the Loop that serves the CTA Red Line and provides a key downtown transfer point between multiple rail lines.
  • D. Wilson Red/Purple Line station
    Wilson Red/Purple Line station is an elevated Chicago Transit Authority rail station in the Uptown neighborhood that serves both the Red and Purple Lines.
  • E. Red Line Braintree Branch
    The Red Line Braintree Branch is a southern extension of Boston's MBTA Red Line rapid transit system that serves communities between Quincy and Braintree.
  • 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_69d86da4e86481909f1325fdc971b5ec completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e155fec9d4819081efea504e1e3952 completed April 16, 2026, 9:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffa950a890819092bc1e8895034593 completed May 9, 2026, 9:38 p.m.
Created at: April 10, 2026, 4:51 a.m.