Triple

T4679631
Position Surface form Disambiguated ID Type / Status
Subject Rogers Park, Chicago E103766 entity
Predicate contains P35 FINISHED
Object Morse station (CTA Red Line)
Morse station (CTA Red Line) is an elevated rapid transit stop on Chicago's Red Line serving the Rogers Park neighborhood on the city's North Side.
 E468011 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: Morse station (CTA Red Line) | Statement: [Rogers Park, Chicago, contains, Morse station (CTA Red Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Morse station (CTA Red Line)
Context triple: [Rogers Park, Chicago, contains, Morse station (CTA Red Line)]
  • A. Belmont station (CTA Red Line)
    Belmont station (CTA Red Line) is a major Chicago 'L' rapid transit hub in the Lakeview neighborhood where the Red, Brown, and Purple Lines converge.
  • B. Addison station (CTA Red Line)
    Addison station (CTA Red Line) is a Chicago 'L' rapid transit stop on the Red Line located in the Lakeview neighborhood, best known for serving fans attending games and events at nearby Wrigley Field.
  • C. Pulaski station (CTA Orange Line)
    Pulaski station (CTA Orange Line) is an elevated rapid transit stop on Chicago’s Orange Line serving the West Elsdon neighborhood near Midway Airport.
  • D. Midway station (CTA)
    Midway station (CTA) is the Chicago Transit Authority rapid transit terminal serving Midway International Airport on the Orange Line.
  • E. Chicago Avenue station (CTA Red Line)
    Chicago Avenue station (CTA Red Line) is an underground Chicago Transit Authority rapid transit stop on the Red Line serving the Near North Side area, including the Magnificent Mile.
  • 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: Morse station (CTA Red Line)
Triple: [Rogers Park, Chicago, contains, Morse station (CTA Red Line)]
Generated description
Morse station (CTA Red Line) is an elevated rapid transit stop on Chicago's Red Line serving the Rogers Park neighborhood on the city's North Side.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Morse station (CTA Red Line)
Target entity description: Morse station (CTA Red Line) is an elevated rapid transit stop on Chicago's Red Line serving the Rogers Park neighborhood on the city's North Side.
  • A. Belmont station (CTA Red Line)
    Belmont station (CTA Red Line) is a major Chicago 'L' rapid transit hub in the Lakeview neighborhood where the Red, Brown, and Purple Lines converge.
  • B. Addison station (CTA Red Line)
    Addison station (CTA Red Line) is a Chicago 'L' rapid transit stop on the Red Line located in the Lakeview neighborhood, best known for serving fans attending games and events at nearby Wrigley Field.
  • C. Pulaski station (CTA Orange Line)
    Pulaski station (CTA Orange Line) is an elevated rapid transit stop on Chicago’s Orange Line serving the West Elsdon neighborhood near Midway Airport.
  • D. Midway station (CTA)
    Midway station (CTA) is the Chicago Transit Authority rapid transit terminal serving Midway International Airport on the Orange Line.
  • E. Chicago Avenue station (CTA Red Line)
    Chicago Avenue station (CTA Red Line) is an underground Chicago Transit Authority rapid transit stop on the Red Line serving the Near North Side area, including the Magnificent Mile.
  • 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_69bd43dda32c8190938b37744ca270fc completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd636c105081908655ab384f539f38 completed March 20, 2026, 3:10 p.m.
NED1 Entity disambiguation (via context triple) batch_69be39ca8f6081909aecde545f211bb9 completed March 21, 2026, 6:25 a.m.
NEDg Description generation batch_69be3d05281481909a74ffb38fb5eb31 completed March 21, 2026, 6:39 a.m.
NED2 Entity disambiguation (via description) batch_69be3dc3ce048190a725ea4b8e8a1ad4 completed March 21, 2026, 6:42 a.m.
Created at: March 20, 2026, 1:16 p.m.