Triple

T17608516
Position Surface form Disambiguated ID Type / Status
Subject CTA Route 206 Evanston Circulator (school days only) E428900 entity
Predicate routeCategory P6300 FINISHED
Object CTA Evanston bus route
CTA Evanston bus routes are local Chicago Transit Authority bus services that operate within and around Evanston, Illinois, connecting neighborhoods, schools, and transit hubs.
E50849 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 Evanston bus route | Statement: [CTA Route 206 Evanston Circulator (school days only), routeCategory, CTA Evanston bus route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: CTA Evanston bus route
Context triple: [CTA Route 206 Evanston Circulator (school days only), routeCategory, CTA Evanston bus route]
  • A. CTA buses
    CTA buses are the public transit bus fleet operated by the Chicago Transit Authority, providing extensive local and express service throughout Chicago and some surrounding suburbs.
  • B. 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.
  • C. CTA bus route 39
    CTA bus route 39 is a Chicago Transit Authority bus line that primarily operates along Pershing Road, connecting neighborhoods on the South Side and providing links to CTA rail and other bus services.
  • D. CTA bus route 145 Wilson/Michigan Express
    CTA bus route 145 Wilson/Michigan Express is a Chicago Transit Authority express bus line that connects the city’s North Side lakefront neighborhoods with downtown via Wilson Avenue and Michigan Avenue.
  • E. CTA Yellow Line
    The CTA Yellow Line, also known as the Skokie Swift, is a short Chicago Transit Authority rapid transit route that runs between Howard on the North Side and Skokie, Illinois.
  • 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 Evanston bus route
Triple: [CTA Route 206 Evanston Circulator (school days only), routeCategory, CTA Evanston bus route]
Generated description
CTA Evanston bus routes are local Chicago Transit Authority bus services that operate within and around Evanston, Illinois, connecting neighborhoods, schools, and transit hubs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: CTA Evanston bus route
Target entity description: CTA Evanston bus routes are local Chicago Transit Authority bus services that operate within and around Evanston, Illinois, connecting neighborhoods, schools, and transit hubs.
  • A. CTA buses chosen
    CTA buses are the public transit bus fleet operated by the Chicago Transit Authority, providing extensive local and express service throughout Chicago and some surrounding suburbs.
  • B. 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.
  • C. CTA bus route 39
    CTA bus route 39 is a Chicago Transit Authority bus line that primarily operates along Pershing Road, connecting neighborhoods on the South Side and providing links to CTA rail and other bus services.
  • D. CTA bus route 145 Wilson/Michigan Express
    CTA bus route 145 Wilson/Michigan Express is a Chicago Transit Authority express bus line that connects the city’s North Side lakefront neighborhoods with downtown via Wilson Avenue and Michigan Avenue.
  • E. CTA Yellow Line
    The CTA Yellow Line, also known as the Skokie Swift, is a short Chicago Transit Authority rapid transit route that runs between Howard on the North Side and Skokie, Illinois.
  • F. None of above.

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.