Triple

T230655
Position Surface form Disambiguated ID Type / Status
Subject Minneapolis–Saint Paul E4402 entity
Predicate hasTransportationSystem P941 FINISHED
Object Northstar commuter rail
Northstar commuter rail is a commuter train service in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with northern suburbs and exurban communities.
 E57521 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: Northstar commuter rail | Statement: [Minneapolis–Saint Paul, hasTransportationSystem, Northstar commuter rail]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Northstar commuter rail
Context triple: [Minneapolis–Saint Paul, hasTransportationSystem, Northstar commuter rail]
  • A. WES Commuter Rail
    WES Commuter Rail is a suburban commuter rail service in the Portland, Oregon metropolitan area connecting Beaverton and Wilsonville.
  • B. DART Light Rail
    DART Light Rail is a light rail transit system serving the Dallas–Fort Worth metropolitan area, operated by Dallas Area Rapid Transit.
  • C. Metra
    Metra is the commuter rail system serving the Chicago metropolitan area, operating extensive routes that connect the city with its surrounding suburbs.
  • D. Newark Light Rail
    Newark Light Rail is a light rail transit system serving the city of Newark, New Jersey, connecting downtown, residential neighborhoods, and key regional transit hubs.
  • E. Center City Commuter Connection
    The Center City Commuter Connection is an underground rail tunnel in downtown Philadelphia that links formerly separate commuter rail lines into a unified through-running 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: Northstar commuter rail
Triple: [Minneapolis–Saint Paul, hasTransportationSystem, Northstar commuter rail]
Generated description
Northstar commuter rail is a commuter train service in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with northern suburbs and exurban communities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Northstar commuter rail
Target entity description: Northstar commuter rail is a commuter train service in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with northern suburbs and exurban communities.
  • A. WES Commuter Rail
    WES Commuter Rail is a suburban commuter rail service in the Portland, Oregon metropolitan area connecting Beaverton and Wilsonville.
  • B. DART Light Rail
    DART Light Rail is a light rail transit system serving the Dallas–Fort Worth metropolitan area, operated by Dallas Area Rapid Transit.
  • C. Metra
    Metra is the commuter rail system serving the Chicago metropolitan area, operating extensive routes that connect the city with its surrounding suburbs.
  • D. Newark Light Rail
    Newark Light Rail is a light rail transit system serving the city of Newark, New Jersey, connecting downtown, residential neighborhoods, and key regional transit hubs.
  • E. Center City Commuter Connection
    The Center City Commuter Connection is an underground rail tunnel in downtown Philadelphia that links formerly separate commuter rail lines into a unified through-running 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_69a257363ffc81909757bde7ab3404da completed Feb. 28, 2026, 2:47 a.m.
NER Named-entity recognition batch_69a25cadae1c8190be0e8dcf33351187 completed Feb. 28, 2026, 3:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69a44f4eb77c81909e0e0d1729dd170c completed March 1, 2026, 2:38 p.m.
NEDg Description generation batch_69a450205aa08190bf5c94ea7746bd4d completed March 1, 2026, 2:41 p.m.
NED2 Entity disambiguation (via description) batch_69a4506406dc8190ba3d4e54c409051b completed March 1, 2026, 2:42 p.m.
Created at: Feb. 28, 2026, 2:53 a.m.