Triple

T5097223
Position Surface form Disambiguated ID Type / Status
Subject Ashland station (CTA Orange Line) E114894 entity
Predicate servesCorridor P2566 FINISHED
Object Southwest Side–Loop corridor via Orange Line
The Southwest Side–Loop corridor via Orange Line is a rapid transit route of Chicago’s 'L' system that links the city’s Southwest Side neighborhoods with the downtown Loop.
E495039 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: Southwest Side–Loop corridor via Orange Line | Statement: [Ashland station (CTA Orange Line), servesCorridor, Southwest Side–Loop corridor via Orange Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Southwest Side–Loop corridor via Orange Line
Context triple: [Ashland station (CTA Orange Line), servesCorridor, Southwest Side–Loop corridor via Orange Line]
  • A. Orange Line at Clark/Lake
    The Orange Line at Clark/Lake is a Chicago 'L' rapid transit route serving the Loop and Midway Airport, intersecting multiple CTA lines at the busy Clark/Lake station.
  • B. Purple Line (CTA)
    The Purple Line (CTA) is a rapid transit route in Chicago primarily serving the northern suburbs and Evanston, with express service to downtown during weekday rush hours.
  • C. O'Hare–Forest Park corridor
    The O'Hare–Forest Park corridor is a major transit corridor in the Chicago area served by the Blue Line, connecting O'Hare International Airport with the Forest Park suburb through the city's West Side.
  • D. IND 63rd Street Line
    The IND 63rd Street Line is a New York City Subway line in Manhattan and Queens that carries F and sometimes other services through the 63rd Street Tunnel.
  • E. Orange Line
    The Orange Line is a light rail route in the Dallas Area Rapid Transit (DART) system serving key destinations including Dallas/Fort Worth International Airport and several northern suburbs.
  • 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: Southwest Side–Loop corridor via Orange Line
Triple: [Ashland station (CTA Orange Line), servesCorridor, Southwest Side–Loop corridor via Orange Line]
Generated description
The Southwest Side–Loop corridor via Orange Line is a rapid transit route of Chicago’s 'L' system that links the city’s Southwest Side neighborhoods with the downtown Loop.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Southwest Side–Loop corridor via Orange Line
Target entity description: The Southwest Side–Loop corridor via Orange Line is a rapid transit route of Chicago’s 'L' system that links the city’s Southwest Side neighborhoods with the downtown Loop.
  • A. Orange Line at Clark/Lake
    The Orange Line at Clark/Lake is a Chicago 'L' rapid transit route serving the Loop and Midway Airport, intersecting multiple CTA lines at the busy Clark/Lake station.
  • B. Purple Line (CTA)
    The Purple Line (CTA) is a rapid transit route in Chicago primarily serving the northern suburbs and Evanston, with express service to downtown during weekday rush hours.
  • C. O'Hare–Forest Park corridor
    The O'Hare–Forest Park corridor is a major transit corridor in the Chicago area served by the Blue Line, connecting O'Hare International Airport with the Forest Park suburb through the city's West Side.
  • D. IND 63rd Street Line
    The IND 63rd Street Line is a New York City Subway line in Manhattan and Queens that carries F and sometimes other services through the 63rd Street Tunnel.
  • E. Orange Line
    The Orange Line is a light rail route in the Dallas Area Rapid Transit (DART) system serving key destinations including Dallas/Fort Worth International Airport and several northern suburbs.
  • 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_69bd443fc49c819089629c00e311310c completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd75669afc81908a8db897fe56eccd completed March 20, 2026, 4:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69beba80aee081908498cbe9d4f2eaa7 completed March 21, 2026, 3:34 p.m.
NEDg Description generation batch_69bebce93dc48190a43fca47cb5c0bcb completed March 21, 2026, 3:44 p.m.
NED2 Entity disambiguation (via description) batch_69bebe0086bc81908aa38f32952b8902 completed March 21, 2026, 3:49 p.m.
Created at: March 20, 2026, 1:40 p.m.