Triple

T851207
Position Surface form Disambiguated ID Type / Status
Subject Pink Line E18388 entity
Predicate terminus P388 FINISHED
Object 54th/Cermak
54th/Cermak is a Chicago 'L' rapid transit station in Cicero, Illinois, serving as the western endpoint of the CTA's Pink Line.
 E99426 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: 54th/Cermak | Statement: [Pink Line, terminus, 54th/Cermak]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 54th/Cermak
Context triple: [Pink Line, terminus, 54th/Cermak]
  • A. Daley Plaza
    Daley Plaza is a prominent public square in downtown Chicago known for its modernist architecture and iconic Picasso sculpture.
  • B. Kilpatrick
    Kilpatrick is a surname of Scottish and Irish origin, often considered a variant of Kirkpatrick, and borne by various notable figures in politics, the military, and the arts.
  • C. Lincoln Square
    Lincoln Square is a central public square and traffic circle in downtown Hodgenville, Kentucky, featuring monuments that commemorate the birthplace and legacy of President Abraham Lincoln.
  • D. Richard J. Daley Center
    The Richard J. Daley Center is a prominent civic skyscraper and courthouse in downtown Chicago, known for housing major Cook County courtrooms and government offices as well as its iconic Picasso sculpture in the adjoining plaza.
  • E. Hegewisch, Chicago
    Hegewisch, Chicago is a far Southeast Side neighborhood known for its industrial roots, rail yards, and proximity to the Calumet River and Indiana border.
  • 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: 54th/Cermak
Triple: [Pink Line, terminus, 54th/Cermak]
Generated description
54th/Cermak is a Chicago 'L' rapid transit station in Cicero, Illinois, serving as the western endpoint of the CTA's Pink Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: 54th/Cermak
Target entity description: 54th/Cermak is a Chicago 'L' rapid transit station in Cicero, Illinois, serving as the western endpoint of the CTA's Pink Line.
  • A. Daley Plaza
    Daley Plaza is a prominent public square in downtown Chicago known for its modernist architecture and iconic Picasso sculpture.
  • B. Kilpatrick
    Kilpatrick is a surname of Scottish and Irish origin, often considered a variant of Kirkpatrick, and borne by various notable figures in politics, the military, and the arts.
  • C. Lincoln Square
    Lincoln Square is a central public square and traffic circle in downtown Hodgenville, Kentucky, featuring monuments that commemorate the birthplace and legacy of President Abraham Lincoln.
  • D. Richard J. Daley Center
    The Richard J. Daley Center is a prominent civic skyscraper and courthouse in downtown Chicago, known for housing major Cook County courtrooms and government offices as well as its iconic Picasso sculpture in the adjoining plaza.
  • E. Hegewisch, Chicago
    Hegewisch, Chicago is a far Southeast Side neighborhood known for its industrial roots, rail yards, and proximity to the Calumet River and Indiana border.
  • 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_69a4938b04208190b82e1df6b572c548 completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4ac22de288190913714d41e5a8e12 completed March 1, 2026, 9:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69a792a0666c8190bfc9166d45b4e867 completed March 4, 2026, 2:02 a.m.
NEDg Description generation batch_69a793563cc881909381f898f240c0bd completed March 4, 2026, 2:05 a.m.
NED2 Entity disambiguation (via description) batch_69a7941add588190913198a7f7b20943 completed March 4, 2026, 2:08 a.m.
Created at: March 1, 2026, 7:38 p.m.