Triple

T4084367
Position Surface form Disambiguated ID Type / Status
Subject LaSalle Street Station E87553 entity
Predicate nearbyTransit P5822 FINISHED
Object LaSalle station (Chicago Transit Authority Blue Line)
LaSalle station is an underground Chicago 'L' rapid transit stop on the Blue Line serving the Loop area and connecting to nearby commuter rail services.
 E410146 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: LaSalle station (Chicago Transit Authority Blue Line) | Statement: [LaSalle Street Station, nearbyTransit, LaSalle station (Chicago Transit Authority Blue Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: LaSalle station (Chicago Transit Authority Blue Line)
Context triple: [LaSalle Street Station, nearbyTransit, LaSalle station (Chicago Transit Authority Blue Line)]
  • A. Pulaski station (CTA Orange Line)
    Pulaski station (CTA Orange Line) is an elevated rapid transit stop on Chicago’s Orange Line serving the West Elsdon neighborhood near Midway Airport.
  • B. Oak Park station (Blue Line)
    Oak Park station (Blue Line) is an elevated Chicago Transit Authority rapid transit stop in Oak Park, Illinois, serving the Forest Park branch of the Blue Line.
  • C. Loyola station (Chicago "L")
    Loyola station is a Chicago "L" rapid transit stop on the Red Line located in the Rogers Park neighborhood on the city’s North Side.
  • D. Halsted station (CTA Orange Line)
    Halsted station (CTA Orange Line) is a rapid transit stop on Chicago’s Orange Line serving the city’s Southwest Side near the Bridgeport and McKinley Park neighborhoods.
  • E. Lawrence station (Chicago "L")
    Lawrence station is a Chicago "L" rapid transit stop located in the Uptown neighborhood on the Red Line.
  • 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: LaSalle station (Chicago Transit Authority Blue Line)
Triple: [LaSalle Street Station, nearbyTransit, LaSalle station (Chicago Transit Authority Blue Line)]
Generated description
LaSalle station is an underground Chicago 'L' rapid transit stop on the Blue Line serving the Loop area and connecting to nearby commuter rail services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: LaSalle station (Chicago Transit Authority Blue Line)
Target entity description: LaSalle station is an underground Chicago 'L' rapid transit stop on the Blue Line serving the Loop area and connecting to nearby commuter rail services.
  • A. Pulaski station (CTA Orange Line)
    Pulaski station (CTA Orange Line) is an elevated rapid transit stop on Chicago’s Orange Line serving the West Elsdon neighborhood near Midway Airport.
  • B. Oak Park station (Blue Line)
    Oak Park station (Blue Line) is an elevated Chicago Transit Authority rapid transit stop in Oak Park, Illinois, serving the Forest Park branch of the Blue Line.
  • C. Loyola station (Chicago "L")
    Loyola station is a Chicago "L" rapid transit stop on the Red Line located in the Rogers Park neighborhood on the city’s North Side.
  • D. Halsted station (CTA Orange Line)
    Halsted station (CTA Orange Line) is a rapid transit stop on Chicago’s Orange Line serving the city’s Southwest Side near the Bridgeport and McKinley Park neighborhoods.
  • E. Lawrence station (Chicago "L")
    Lawrence station is a Chicago "L" rapid transit stop located in the Uptown neighborhood on the Red Line.
  • 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_69aed9435cf48190ad1da737c962d19d completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefc7a4b488190ab466e2c50329ab3 completed March 9, 2026, 4:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69b562c9760c8190a9292eb1cea55ab2 completed March 14, 2026, 1:29 p.m.
NEDg Description generation batch_69b563b6b9a48190a7b271fd6873e59f completed March 14, 2026, 1:33 p.m.
NED2 Entity disambiguation (via description) batch_69b5641e09d08190bf83c9a730e1bf34 completed March 14, 2026, 1:35 p.m.
Created at: March 9, 2026, 3:39 p.m.