Triple

T4172802
Position Surface form Disambiguated ID Type / Status
Subject Midtown Toronto E86402 entity
Predicate servedBy P82 FINISHED
Object Summerhill subway station
Summerhill subway station is a Toronto Transit Commission subway stop on Line 1 Yonge–University located in the Midtown Toronto area.
 E418344 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: Summerhill subway station | Statement: [Midtown Toronto, servedBy, Summerhill subway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Summerhill subway station
Context triple: [Midtown Toronto, servedBy, Summerhill subway station]
  • A. Kinning Park subway station
    Kinning Park subway station is a stop on Glasgow’s circular underground metro system serving the Kinning Park area south of the River Clyde.
  • B. People’s Square Station
    People’s Square Station is a major Shanghai Metro interchange hub located beneath People’s Square in central Shanghai, China.
  • C. Queen subway station
    Queen subway station is a Toronto Transit Commission (TTC) subway station located in downtown Toronto, Ontario, Canada.
  • D. Museum subway station
    Museum subway station is a Toronto Transit Commission subway station on Line 1 located near the Royal Ontario Museum and the University of Toronto’s St. George campus.
  • E. Central Station Metro station
    Central Station Metro station is a key Tyne and Wear Metro stop in Newcastle upon Tyne, providing rapid transit connections beneath and around the city’s main railway hub.
  • 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: Summerhill subway station
Triple: [Midtown Toronto, servedBy, Summerhill subway station]
Generated description
Summerhill subway station is a Toronto Transit Commission subway stop on Line 1 Yonge–University located in the Midtown Toronto area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Summerhill subway station
Target entity description: Summerhill subway station is a Toronto Transit Commission subway stop on Line 1 Yonge–University located in the Midtown Toronto area.
  • A. Kinning Park subway station
    Kinning Park subway station is a stop on Glasgow’s circular underground metro system serving the Kinning Park area south of the River Clyde.
  • B. People’s Square Station
    People’s Square Station is a major Shanghai Metro interchange hub located beneath People’s Square in central Shanghai, China.
  • C. Queen subway station
    Queen subway station is a Toronto Transit Commission (TTC) subway station located in downtown Toronto, Ontario, Canada.
  • D. Museum subway station
    Museum subway station is a Toronto Transit Commission subway station on Line 1 located near the Royal Ontario Museum and the University of Toronto’s St. George campus.
  • E. Central Station Metro station
    Central Station Metro station is a key Tyne and Wear Metro stop in Newcastle upon Tyne, providing rapid transit connections beneath and around the city’s main railway hub.
  • 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_69aed93de98c8190ad838ce507b77c8a completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69af02e65b548190be095df62091b960 completed March 9, 2026, 5:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69b57f51cac88190b6e849181fb78938 completed March 14, 2026, 3:31 p.m.
NEDg Description generation batch_69b5800ab42c8190a1bc6f84db38f170 completed March 14, 2026, 3:34 p.m.
NED2 Entity disambiguation (via description) batch_69b5843d6ac88190804242661d077546 completed March 14, 2026, 3:52 p.m.
Created at: March 9, 2026, 3:45 p.m.