Triple

T10709260
Position Surface form Disambiguated ID Type / Status
Subject Red Line (Chicago "L") E252488 entity
Predicate hasStation P35 FINISHED
Object 63rd (Red Line station)
63rd is an elevated Chicago "L" rapid transit station on the Red Line located in the Englewood neighborhood on the South Side of Chicago.
 E880517 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: 63rd (Red Line station) | Statement: [Red Line (Chicago "L"), hasStation, 63rd (Red Line station)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 63rd (Red Line station)
Context triple: [Red Line (Chicago "L"), hasStation, 63rd (Red Line station)]
  • A. Grand station (Red Line)
    Grand station (Red Line) is a Chicago 'L' rapid transit station on the Red Line located in the city's Near North Side, serving the busy River North and Magnificent Mile areas.
  • B. CTA Red Line Sox–35th station
    CTA Red Line Sox–35th station is a Chicago Transit Authority rapid transit stop on the Red Line that serves the Bridgeport neighborhood and provides access to the Chicago White Sox’s home ballpark.
  • C. Grand (Red Line)
    Grand is a Chicago 'L' rapid transit station on the Red Line located in the city's Near North Side.
  • D. Central station (CTA Purple Line)
    Central station is a Chicago Transit Authority 'L' rapid transit stop on the Purple Line located in Evanston, Illinois.
  • E. 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.
  • 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: 63rd (Red Line station)
Triple: [Red Line (Chicago "L"), hasStation, 63rd (Red Line station)]
Generated description
63rd is an elevated Chicago "L" rapid transit station on the Red Line located in the Englewood neighborhood on the South Side of Chicago.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: 63rd (Red Line station)
Target entity description: 63rd is an elevated Chicago "L" rapid transit station on the Red Line located in the Englewood neighborhood on the South Side of Chicago.
  • A. Grand station (Red Line)
    Grand station (Red Line) is a Chicago 'L' rapid transit station on the Red Line located in the city's Near North Side, serving the busy River North and Magnificent Mile areas.
  • B. CTA Red Line Sox–35th station
    CTA Red Line Sox–35th station is a Chicago Transit Authority rapid transit stop on the Red Line that serves the Bridgeport neighborhood and provides access to the Chicago White Sox’s home ballpark.
  • C. Grand (Red Line)
    Grand is a Chicago 'L' rapid transit station on the Red Line located in the city's Near North Side.
  • D. Central station (CTA Purple Line)
    Central station is a Chicago Transit Authority 'L' rapid transit stop on the Purple Line located in Evanston, Illinois.
  • E. 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.
  • 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_69d6aa5cbabc8190973e683950d89faf completed April 8, 2026, 7:19 p.m.
NER Named-entity recognition batch_69d6fe5063bc8190ba12fd68a59c9a03 completed April 9, 2026, 1:18 a.m.
NED1 Entity disambiguation (via context triple) batch_69d9990f220081909dae41bcec8b4768 completed April 11, 2026, 12:42 a.m.
NEDg Description generation batch_69d99e8632688190b3746649a124ca09 completed April 11, 2026, 1:06 a.m.
NED2 Entity disambiguation (via description) batch_69da625a1e8c8190b282e7a70bb7c876 completed April 11, 2026, 3:01 p.m.
Created at: April 8, 2026, 9:13 p.m.