Triple

T593433
Position Surface form Disambiguated ID Type / Status
Subject Loop E17325 entity
Predicate hasMajorStation P1071 FINISHED
Object LaSalle Street Station
LaSalle Street Station is a major commuter rail terminal in Chicago’s Loop that primarily serves Metra’s Rock Island District line.
E87553 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 Street Station | Statement: [Loop, hasMajorStation, LaSalle Street Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: LaSalle Street Station
Context triple: [Loop, hasMajorStation, LaSalle Street Station]
  • A. Chicago Union Station
    Chicago Union Station is a major intercity and commuter rail terminal in downtown Chicago that serves as a central hub for Amtrak and regional rail services.
  • B. Van Buren Street Metra station
    Van Buren Street Metra station is a downtown Chicago commuter rail station on the Metra Electric District line, located near Grant Park and serving the city's Loop business district.
  • C. Lombard–South station
    Lombard–South station is an underground rapid transit stop on SEPTA’s Broad Street Line serving the South Philadelphia area of Philadelphia, Pennsylvania.
  • D. Cecil B. Moore station
    Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
  • E. Addison station (CTA Red Line)
    Addison station (CTA Red Line) is a Chicago 'L' rapid transit stop on the Red Line located in the Lakeview neighborhood, best known for serving fans attending games and events at nearby Wrigley Field.
  • 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 Street Station
Triple: [Loop, hasMajorStation, LaSalle Street Station]
Generated description
LaSalle Street Station is a major commuter rail terminal in Chicago’s Loop that primarily serves Metra’s Rock Island District line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: LaSalle Street Station
Target entity description: LaSalle Street Station is a major commuter rail terminal in Chicago’s Loop that primarily serves Metra’s Rock Island District line.
  • A. Chicago Union Station
    Chicago Union Station is a major intercity and commuter rail terminal in downtown Chicago that serves as a central hub for Amtrak and regional rail services.
  • B. Van Buren Street Metra station
    Van Buren Street Metra station is a downtown Chicago commuter rail station on the Metra Electric District line, located near Grant Park and serving the city's Loop business district.
  • C. Lombard–South station
    Lombard–South station is an underground rapid transit stop on SEPTA’s Broad Street Line serving the South Philadelphia area of Philadelphia, Pennsylvania.
  • D. Cecil B. Moore station
    Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
  • E. Addison station (CTA Red Line)
    Addison station (CTA Red Line) is a Chicago 'L' rapid transit stop on the Red Line located in the Lakeview neighborhood, best known for serving fans attending games and events at nearby Wrigley Field.
  • 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_69a49379d09c8190ac7e00b24e2810b1 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a49d2a5f5481908bb9a71ff0f534d4 completed March 1, 2026, 8:10 p.m.
NED1 Entity disambiguation (via context triple) batch_69a64a48e53081908e5d5e093edb5e75 completed March 3, 2026, 2:41 a.m.
NEDg Description generation batch_69a64ad340348190bec2454d5e1c0fa9 completed March 3, 2026, 2:43 a.m.
NED2 Entity disambiguation (via description) batch_69a64b4e9cec8190a3dcc378f853be0d completed March 3, 2026, 2:45 a.m.
Created at: March 1, 2026, 7:33 p.m.