Triple

T8012800
Position Surface form Disambiguated ID Type / Status
Subject Grand River Transit E186533 entity
Predicate hasHub P2413 FINISHED
Object University of Waterloo ION station
The University of Waterloo ION station is a light rail transit stop on the ION rapid transit line serving the University of Waterloo campus in Waterloo, Ontario, Canada.
 E707466 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: University of Waterloo ION station | Statement: [Grand River Transit, hasHub, University of Waterloo ION station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: University of Waterloo ION station
Context triple: [Grand River Transit, hasHub, University of Waterloo ION station]
  • A. University Street Station
    University Street Station is a downtown Seattle underground light rail and bus station serving the city's central business district and nearby cultural institutions.
  • B. Kitchener City Hall ION station
    Kitchener City Hall ION station is a light rail transit stop on the ION rapid transit line serving the downtown core of Kitchener, Ontario, Canada.
  • C. Waterloo East station
    Waterloo East station is a central London railway station on the South Bank, serving suburban and regional services and linked by footbridge to both Waterloo and Charing Cross stations.
  • D. York University station
    York University station is a Toronto subway station on Line 1 serving the York University campus in North York, Ontario.
  • E. Don Mills station
    Don Mills station is an eastern Toronto subway terminus on Line 4 Sheppard that serves as a key transit hub for buses and nearby commercial and residential areas.
  • 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: University of Waterloo ION station
Triple: [Grand River Transit, hasHub, University of Waterloo ION station]
Generated description
The University of Waterloo ION station is a light rail transit stop on the ION rapid transit line serving the University of Waterloo campus in Waterloo, Ontario, Canada.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: University of Waterloo ION station
Target entity description: The University of Waterloo ION station is a light rail transit stop on the ION rapid transit line serving the University of Waterloo campus in Waterloo, Ontario, Canada.
  • A. University Street Station
    University Street Station is a downtown Seattle underground light rail and bus station serving the city's central business district and nearby cultural institutions.
  • B. Kitchener City Hall ION station
    Kitchener City Hall ION station is a light rail transit stop on the ION rapid transit line serving the downtown core of Kitchener, Ontario, Canada.
  • C. Waterloo East station
    Waterloo East station is a central London railway station on the South Bank, serving suburban and regional services and linked by footbridge to both Waterloo and Charing Cross stations.
  • D. York University station
    York University station is a Toronto subway station on Line 1 serving the York University campus in North York, Ontario.
  • E. Don Mills station
    Don Mills station is an eastern Toronto subway terminus on Line 4 Sheppard that serves as a key transit hub for buses and nearby commercial and residential areas.
  • 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_69ca82abaffc8190ab8af79cdbc31ab3 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb3d73bf048190ad8066a7e95c34b0 completed March 31, 2026, 3:20 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc56acfcf88190a0e694f60f2907d2 completed March 31, 2026, 11:20 p.m.
NEDg Description generation batch_69cc58a9e94081908980e2c60be38642 completed March 31, 2026, 11:28 p.m.
NED2 Entity disambiguation (via description) batch_69cc5cb791b48190bd5004b518d23f84 completed March 31, 2026, 11:45 p.m.
Created at: March 30, 2026, 5:19 p.m.