Triple

T2687613
Position Surface form Disambiguated ID Type / Status
Subject Northstar commuter rail E57521 entity
Predicate terminus P388 FINISHED
Object Big Lake station
Big Lake station is a commuter rail station in Big Lake, Minnesota, serving as the northern endpoint of the Northstar Line connecting to the Minneapolis–Saint Paul metropolitan area.
 E287558 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: Big Lake station | Statement: [Northstar commuter rail, terminus, Big Lake station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Big Lake station
Context triple: [Northstar commuter rail, terminus, Big Lake station]
  • A. Clark/Lake station
    Clark/Lake station is a major Chicago 'L' transit hub in the Loop where multiple CTA lines intersect, providing extensive connections across the city.
  • B. St. Clair station
    St. Clair station is a Toronto Transit Commission subway station on Line 1 in midtown Toronto, serving the St. Clair Avenue and Yonge Street area with connections to streetcar and bus routes.
  • C. Creel station
    Creel station is a railway stop in the town of Creel, Chihuahua, Mexico, best known as a key passenger station on the scenic Ferrocarril Chihuahua al Pacífico route through the Copper Canyon region.
  • D. Angle Lake Station
    Angle Lake Station is an elevated Sound Transit Link light rail station in SeaTac, Washington, serving as the southern terminus of the 1 Line near Seattle–Tacoma International Airport.
  • E. Lake station
    Lake station is a Chicago 'L' rapid transit station on the Loop, serving as a key stop in the city's downtown elevated rail system.
  • 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: Big Lake station
Triple: [Northstar commuter rail, terminus, Big Lake station]
Generated description
Big Lake station is a commuter rail station in Big Lake, Minnesota, serving as the northern endpoint of the Northstar Line connecting to the Minneapolis–Saint Paul metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Big Lake station
Target entity description: Big Lake station is a commuter rail station in Big Lake, Minnesota, serving as the northern endpoint of the Northstar Line connecting to the Minneapolis–Saint Paul metropolitan area.
  • A. Clark/Lake station
    Clark/Lake station is a major Chicago 'L' transit hub in the Loop where multiple CTA lines intersect, providing extensive connections across the city.
  • B. St. Clair station
    St. Clair station is a Toronto Transit Commission subway station on Line 1 in midtown Toronto, serving the St. Clair Avenue and Yonge Street area with connections to streetcar and bus routes.
  • C. Creel station
    Creel station is a railway stop in the town of Creel, Chihuahua, Mexico, best known as a key passenger station on the scenic Ferrocarril Chihuahua al Pacífico route through the Copper Canyon region.
  • D. Angle Lake Station
    Angle Lake Station is an elevated Sound Transit Link light rail station in SeaTac, Washington, serving as the southern terminus of the 1 Line near Seattle–Tacoma International Airport.
  • E. Lake station
    Lake station is a Chicago 'L' rapid transit station on the Loop, serving as a key stop in the city's downtown elevated rail system.
  • 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_69ab4a5028388190a36f3baf1588309e completed March 6, 2026, 9:42 p.m.
NER Named-entity recognition batch_69abd9f080108190ab662a3a064cb5a9 completed March 7, 2026, 7:55 a.m.
NED1 Entity disambiguation (via context triple) batch_69afa0741bc48190adffe6cfae831e26 completed March 10, 2026, 4:39 a.m.
NEDg Description generation batch_69afa13a81bc819091463e6589e72361 completed March 10, 2026, 4:42 a.m.
NED2 Entity disambiguation (via description) batch_69afa1ab8da8819090af3ed60b417040 completed March 10, 2026, 4:44 a.m.
Created at: March 6, 2026, 9:54 p.m.