Triple

T4290776
Position Surface form Disambiguated ID Type / Status
Subject Davis station E99584 entity
Predicate hasBusConnection P3791 FINISHED
Object CTA Route 201 Central/Ridge
CTA Route 201 Central/Ridge is a Chicago Transit Authority bus route serving Evanston and nearby North Shore communities, connecting key local destinations and transit hubs including the Davis station.
 E428899 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 Route 201 Central/Ridge | Statement: [Davis station, hasBusConnection, CTA Route 201 Central/Ridge]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CTA Route 201 Central/Ridge
Context triple: [Davis station, hasBusConnection, CTA Route 201 Central/Ridge]
  • A. CTA Pink Line
    The CTA Pink Line is a rapid transit route in Chicago's 'L' system that connects the city's West Side neighborhoods with the downtown Loop.
  • B. 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.
  • C. Purple Line (CTA)
    The Purple Line (CTA) is a rapid transit route in Chicago primarily serving the northern suburbs and Evanston, with express service to downtown during weekday rush hours.
  • D. CTA Purple Line
    The CTA Purple Line is a rapid transit route in Chicago’s ‘L’ system that primarily serves the northern suburbs and provides express service to downtown during weekday rush hours.
  • 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 Route 201 Central/Ridge
Triple: [Davis station, hasBusConnection, CTA Route 201 Central/Ridge]
Generated description
CTA Route 201 Central/Ridge is a Chicago Transit Authority bus route serving Evanston and nearby North Shore communities, connecting key local destinations and transit hubs including the Davis station.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: CTA Route 201 Central/Ridge
Target entity description: CTA Route 201 Central/Ridge is a Chicago Transit Authority bus route serving Evanston and nearby North Shore communities, connecting key local destinations and transit hubs including the Davis station.
  • A. CTA Pink Line
    The CTA Pink Line is a rapid transit route in Chicago's 'L' system that connects the city's West Side neighborhoods with the downtown Loop.
  • B. 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.
  • C. Purple Line (CTA)
    The Purple Line (CTA) is a rapid transit route in Chicago primarily serving the northern suburbs and Evanston, with express service to downtown during weekday rush hours.
  • D. CTA Purple Line
    The CTA Purple Line is a rapid transit route in Chicago’s ‘L’ system that primarily serves the northern suburbs and provides express service to downtown during weekday rush hours.
  • 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

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_69b3455175088190aa79c6e03b86647e completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b3507efb28819091a9d5b9161a5008 completed March 12, 2026, 11:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5c73501f4819088bf87f3c4d0f23b completed March 14, 2026, 8:38 p.m.
NEDg Description generation batch_69b5c83c4b088190864f4bd5d32b0a29 completed March 14, 2026, 8:42 p.m.
NED2 Entity disambiguation (via description) batch_69b5c8a0c0bc8190beba56664874ed9b completed March 14, 2026, 8:44 p.m.
Created at: March 12, 2026, 11:08 p.m.