Triple

T17608488
Position Surface form Disambiguated ID Type / Status
Subject CTA Route 201 Central/Ridge E428899 entity
Predicate isInNetwork P30353 FINISHED
Object CTA North Side and North Suburban routes
CTA North Side and North Suburban routes are a group of Chicago Transit Authority bus lines that serve neighborhoods on the city’s North Side and nearby northern suburbs.
 E1277533 NE FINISHED

How this triple was built (4 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: CTA North Side and North Suburban routes | Statement: [CTA Route 201 Central/Ridge, isInNetwork, CTA North Side and North Suburban routes]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CTA North Side and North Suburban routes
Context triple: [CTA Route 201 Central/Ridge, isInNetwork, CTA North Side and North Suburban routes]
  • A. CTA Route 56 Milwaukee
    CTA Route 56 Milwaukee is a Chicago Transit Authority bus line that primarily runs along Milwaukee Avenue, connecting neighborhoods northwest of downtown Chicago.
  • B. CTA Blue Line
    The CTA Blue Line is a major Chicago 'L' rapid transit route that runs between O'Hare International Airport, downtown Chicago, and the city's western neighborhoods and suburbs.
  • C. CTA Brown Line
    The CTA Brown Line is a Chicago 'L' rapid transit route that runs from the city's Northwest Side into the downtown Loop, serving numerous residential and commercial neighborhoods.
  • D. CTA Orange Line
    The CTA Orange Line is a Chicago 'L' rapid transit route that runs between the Loop and Midway International Airport, serving the city's Southwest Side.
  • E. CTA Red Line
    The CTA Red Line is a major rapid transit route in Chicago that runs north–south through the city, including service through the downtown Loop.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: CTA North Side and North Suburban routes
Triple: [CTA Route 201 Central/Ridge, isInNetwork, CTA North Side and North Suburban routes]
Generated description
CTA North Side and North Suburban routes are a group of Chicago Transit Authority bus lines that serve neighborhoods on the city’s North Side and nearby northern suburbs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: CTA North Side and North Suburban routes
Target entity description: CTA North Side and North Suburban routes are a group of Chicago Transit Authority bus lines that serve neighborhoods on the city’s North Side and nearby northern suburbs.
  • A. CTA Route 56 Milwaukee
    CTA Route 56 Milwaukee is a Chicago Transit Authority bus line that primarily runs along Milwaukee Avenue, connecting neighborhoods northwest of downtown Chicago.
  • B. CTA Blue Line
    The CTA Blue Line is a major Chicago 'L' rapid transit route that runs between O'Hare International Airport, downtown Chicago, and the city's western neighborhoods and suburbs.
  • C. CTA Brown Line
    The CTA Brown Line is a Chicago 'L' rapid transit route that runs from the city's Northwest Side into the downtown Loop, serving numerous residential and commercial neighborhoods.
  • D. CTA Orange Line
    The CTA Orange Line is a Chicago 'L' rapid transit route that runs between the Loop and Midway International Airport, serving the city's Southwest Side.
  • E. CTA Red Line
    The CTA Red Line is a major rapid transit route in Chicago that runs north–south through the city, including service through the downtown Loop.
  • F. None of above. chosen

Provenance (5 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_69d889e1c6148190ba76241e74688f8b completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e46c4d8374819097cb112fba405e77 completed April 19, 2026, 5:46 a.m.
NED1 Entity disambiguation (via context triple) batch_6a01e821dcd8819081ded43278f37fb2 completed May 11, 2026, 2:30 p.m.
NEDg Description generation batch_6a01ee1a291c81909fa432ccc787028f completed May 11, 2026, 2:56 p.m.
NED2 Entity disambiguation (via description) batch_6a01eec7e00c81908d88be9f88e924c8 completed May 11, 2026, 2:59 p.m.
Created at: April 10, 2026, 5:51 a.m.