Triple

T3597678
Position Surface form Disambiguated ID Type / Status
Subject CTA Pink Line E76177 entity
Predicate hasStation P35 FINISHED
Object Polk
Polk is a Chicago Transit Authority 'L' station on the Pink Line serving the Near West Side near the Illinois Medical District.
 E373476 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: Polk | Statement: [CTA Pink Line, hasStation, Polk]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Polk
Context triple: [CTA Pink Line, hasStation, Polk]
  • A. Polk
    Polk is a surname most prominently associated with James K. Polk, the 11th president of the United States.
  • B. Adlai
    Adlai is a masculine given name most notably associated with several generations of American politicians in the Stevenson family.
  • C. Johnson
    Johnson is a common English surname borne by numerous notable individuals across politics, arts, sports, and other fields.
  • D. Howard
    Howard is the given first name of Ward Cunningham, the American computer programmer best known for creating the first wiki.
  • E. Howard
    Howard is the middle name of Edwin H. Armstrong, the pioneering American electrical engineer and inventor of FM radio.
  • 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: Polk
Triple: [CTA Pink Line, hasStation, Polk]
Generated description
Polk is a Chicago Transit Authority 'L' station on the Pink Line serving the Near West Side near the Illinois Medical District.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Polk
Target entity description: Polk is a Chicago Transit Authority 'L' station on the Pink Line serving the Near West Side near the Illinois Medical District.
  • A. Polk
    Polk is a surname most prominently associated with James K. Polk, the 11th president of the United States.
  • B. Adlai
    Adlai is a masculine given name most notably associated with several generations of American politicians in the Stevenson family.
  • C. Johnson
    Johnson is a common English surname borne by numerous notable individuals across politics, arts, sports, and other fields.
  • D. Howard
    Howard is the given first name of Ward Cunningham, the American computer programmer best known for creating the first wiki.
  • E. Howard
    Howard is the middle name of Edwin H. Armstrong, the pioneering American electrical engineer and inventor of FM radio.
  • 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_69ad85d8042081908af94a04c410dec0 completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc19c71608190a87c98214321214c completed March 8, 2026, 6:36 p.m.
NED1 Entity disambiguation (via context triple) batch_69b43307cb548190824bb6704e339bff completed March 13, 2026, 3:53 p.m.
NEDg Description generation batch_69b436ac70a481909a623841b836e1a7 completed March 13, 2026, 4:09 p.m.
NED2 Entity disambiguation (via description) batch_69b43731d4708190abd41b28889c4c88 completed March 13, 2026, 4:11 p.m.
Created at: March 8, 2026, 3:22 p.m.