Triple

T2254883
Position Surface form Disambiguated ID Type / Status
Subject Northwestern Elevated Railroad E49697 entity
Predicate servedStation P726 FINISHED
Object Lawrence station (Chicago "L")
Lawrence station is a Chicago "L" rapid transit stop located in the Uptown neighborhood on the Red Line.
 E276126 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: Lawrence station (Chicago "L") | Statement: [Northwestern Elevated Railroad, servedStation, Lawrence station (Chicago "L")]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lawrence station (Chicago "L")
Context triple: [Northwestern Elevated Railroad, servedStation, Lawrence station (Chicago "L")]
  • A. Chicago/Franklin station (Chicago "L")
    Chicago/Franklin station was a former elevated rapid transit stop on Chicago’s "L" system that operated on the North Side main line near the city’s River North area.
  • B. Sedgwick station (Chicago "L")
    Sedgwick station is a historic Chicago "L" rapid transit stop on the city's North Side that has operated since the early 20th century.
  • C. Clark/Lake station (CTA)
    Clark/Lake station (CTA) is a major elevated and subway transfer station in downtown Chicago’s Loop, serving multiple Chicago 'L' lines and providing convenient access to nearby civic and commercial destinations.
  • D. Diversey station (Chicago "L")
    Diversey station is an elevated Chicago "L" rapid transit stop located in the Lincoln Park neighborhood, serving Brown and Purple Line trains.
  • E. Wilson station (Chicago "L")
    Wilson station is a Chicago "L" rapid transit stop in the Uptown neighborhood, serving the Red Line and acting as a key transfer and bus connection point on the city’s North Side.
  • 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: Lawrence station (Chicago "L")
Triple: [Northwestern Elevated Railroad, servedStation, Lawrence station (Chicago "L")]
Generated description
Lawrence station is a Chicago "L" rapid transit stop located in the Uptown neighborhood on the Red Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lawrence station (Chicago "L")
Target entity description: Lawrence station is a Chicago "L" rapid transit stop located in the Uptown neighborhood on the Red Line.
  • A. Chicago/Franklin station (Chicago "L")
    Chicago/Franklin station was a former elevated rapid transit stop on Chicago’s "L" system that operated on the North Side main line near the city’s River North area.
  • B. Sedgwick station (Chicago "L")
    Sedgwick station is a historic Chicago "L" rapid transit stop on the city's North Side that has operated since the early 20th century.
  • C. Clark/Lake station (CTA)
    Clark/Lake station (CTA) is a major elevated and subway transfer station in downtown Chicago’s Loop, serving multiple Chicago 'L' lines and providing convenient access to nearby civic and commercial destinations.
  • D. Diversey station (Chicago "L")
    Diversey station is an elevated Chicago "L" rapid transit stop located in the Lincoln Park neighborhood, serving Brown and Purple Line trains.
  • E. Wilson station (Chicago "L")
    Wilson station is a Chicago "L" rapid transit stop in the Uptown neighborhood, serving the Red Line and acting as a key transfer and bus connection point on the city’s North Side.
  • 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_69a88aaa9250819095e127d0d77e8a32 completed March 4, 2026, 7:40 p.m.
NER Named-entity recognition batch_69abc121af78819085b2e601d2f9bcdf completed March 7, 2026, 6:09 a.m.
NED1 Entity disambiguation (via context triple) batch_69af2b5d9b7c8190a3c87ffacc486512 completed March 9, 2026, 8:19 p.m.
NEDg Description generation batch_69af514d5e648190b4fbb1c1247d490d completed March 9, 2026, 11:01 p.m.
NED2 Entity disambiguation (via description) batch_69af5509ce1881909169a529b4f835eb completed March 9, 2026, 11:17 p.m.
Created at: March 4, 2026, 7:47 p.m.