Triple

T4414761
Position Surface form Disambiguated ID Type / Status
Subject Harlem/Lake–Ashland/63rd E94938 entity
Predicate terminus P388 FINISHED
Object Ashland/63rd
Ashland/63rd is a Chicago 'L' rapid transit station on the Green Line located in the Englewood neighborhood on the South Side of Chicago.
 E94938 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: Ashland/63rd | Statement: [Harlem/Lake–Ashland/63rd, terminus, Ashland/63rd]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ashland/63rd
Context triple: [Harlem/Lake–Ashland/63rd, terminus, Ashland/63rd]
  • A. Harlem/Lake–Ashland/63rd
    Harlem/Lake–Ashland/63rd is a Chicago Transit Authority Green Line service pattern that operates trains between Harlem/Lake on the West Side and Ashland/63rd on the South Side.
  • B. Ashland Avenue
    Ashland Avenue is a major north–south thoroughfare in Chicago, Illinois, running through numerous neighborhoods and serving as a key arterial street in the city’s grid system.
  • C. South Euclid
    South Euclid is a suburban city in northeastern Ohio, United States, located in the Greater Cleveland metropolitan area.
  • D. Ohio Street
    Ohio Street is a roadway in Chicago, Illinois, that runs near the Lake Michigan shoreline and provides access to the popular Ohio Street Beach.
  • E. Wabash Avenue
    Wabash Avenue is a major north–south street in downtown Chicago, Illinois, known for running beneath the elevated "L" tracks and passing through the Loop.
  • 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: Ashland/63rd
Triple: [Harlem/Lake–Ashland/63rd, terminus, Ashland/63rd]
Generated description
Ashland/63rd is a Chicago 'L' rapid transit station on the Green 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: Ashland/63rd
Target entity description: Ashland/63rd is a Chicago 'L' rapid transit station on the Green Line located in the Englewood neighborhood on the South Side of Chicago.
  • A. Harlem/Lake–Ashland/63rd chosen
    Harlem/Lake–Ashland/63rd is a Chicago Transit Authority Green Line service pattern that operates trains between Harlem/Lake on the West Side and Ashland/63rd on the South Side.
  • B. Ashland Avenue
    Ashland Avenue is a major north–south thoroughfare in Chicago, Illinois, running through numerous neighborhoods and serving as a key arterial street in the city’s grid system.
  • C. South Euclid
    South Euclid is a suburban city in northeastern Ohio, United States, located in the Greater Cleveland metropolitan area.
  • D. Ohio Street
    Ohio Street is a roadway in Chicago, Illinois, that runs near the Lake Michigan shoreline and provides access to the popular Ohio Street Beach.
  • E. Wabash Avenue
    Wabash Avenue is a major north–south street in downtown Chicago, Illinois, known for running beneath the elevated "L" tracks and passing through the Loop.
  • F. None of above.

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_69b34539638c8190abfea3eb29425210 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b354eabb2481908ad10d21e1379e7f completed March 13, 2026, 12:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69b5f617012481908b8f1a9a1bc5efaf completed March 14, 2026, 11:58 p.m.
NEDg Description generation batch_69b5f674c94c81908327336dd4380d2e completed March 14, 2026, 11:59 p.m.
NED2 Entity disambiguation (via description) batch_69b5f719d008819090a35e3597a0089f completed March 15, 2026, 12:02 a.m.
Created at: March 12, 2026, 11:29 p.m.