Triple

T8303496
Position Surface form Disambiguated ID Type / Status
Subject Burrard Inlet E194401 entity
Predicate isUrbanWaterwayOf P41360 FINISHED
Object Metro Vancouver region E38333 NE FINISHED

How this triple was built (3 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: Metro Vancouver region | Statement: [Burrard Inlet, isUrbanWaterwayOf, Metro Vancouver region]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metro Vancouver region
Context triple: [Burrard Inlet, isUrbanWaterwayOf, Metro Vancouver region]
  • A. Vancouver urban area
    The Vancouver urban area is a metropolitan region in southwestern Washington centered on the city of Vancouver, forming part of the greater Portland–Vancouver urban corridor.
  • B. Greater Vancouver Regional District
    Greater Vancouver Regional District was the former name of Metro Vancouver, the regional governing body that coordinates services and planning for the metropolitan area surrounding Vancouver, British Columbia.
  • C. Metro Vancouver, Canada chosen
    Metro Vancouver, Canada is a major metropolitan region in British Columbia that encompasses the city of Vancouver and surrounding municipalities, serving as a key economic, cultural, and educational hub on Canada’s west coast.
  • D. North Vancouver, British Columbia
    North Vancouver, British Columbia is a coastal city in Metro Vancouver known for its mountainous scenery, outdoor recreation, and location on the traditional territory of the Tsleil-Waututh Nation.
  • E. Lower Mainland
    The Lower Mainland is a densely populated region of southwestern British Columbia centered on Greater Vancouver, known as the province’s main urban, economic, and transportation hub.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: isUrbanWaterwayOf
Context triple: [Burrard Inlet, isUrbanWaterwayOf, Metro Vancouver region]
  • A. isUrbanWaterway chosen
    Indicates that a waterway is located within, passes through, or primarily serves an urban or metropolitan area.
  • B. isUrbanRiverOf
    Indicates that a river flows through or is located within an urban area associated with a specified place or city.
  • C. waterwayServed
    Indicates that a place, facility, or infrastructure is served by, connected to, or functionally supported by a particular waterway.
  • D. waterwayThrough
    Indicates that a waterway (such as a river or canal) passes through or traverses a specified geographic area or feature.
  • E. waterwaySystem
    Indicates that one entity is part of, or belongs to, a connected network of waterways associated with another entity.
  • F. None of above.

Provenance (4 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_69ca82e613e88190bf8139669bbd0d53 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb7e8b9f6081909100d1da8a078616 completed March 31, 2026, 7:58 a.m.
NED1 Entity disambiguation (via context triple) batch_69cea7f7060c81908ad70682063c66f1 completed April 2, 2026, 5:31 p.m.
PD Predicate disambiguation batch_69cb70bb3a708190bc705222092da614 completed March 31, 2026, 6:59 a.m.
Created at: March 30, 2026, 5:53 p.m.