Triple

T9806507
Position Surface form Disambiguated ID Type / Status
Subject U.S. Customs and Border Protection port of entry at Pembina E237965 entity
Predicate locatedOn P40 FINISHED
Object United States–Canada international boundary line E131553 NE FINISHED

How this triple was built (2 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: United States–Canada international boundary line | Statement: [U.S. Customs and Border Protection port of entry at Pembina, locatedOn, United States–Canada international boundary line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: United States–Canada international boundary line
Context triple: [U.S. Customs and Border Protection port of entry at Pembina, locatedOn, United States–Canada international boundary line]
  • A. Canada–United States border chosen
    The Canada–United States border is the world’s longest international land boundary, separating Canada and the United States across diverse terrains from the Atlantic to the Pacific and Arctic Oceans.
  • B. 49th Parallel
    "49th Parallel" is a 1941 British war drama film directed by Michael Powell that follows stranded Nazi U-boat sailors attempting to escape across Canada during World War II.
  • C. Alaska–British Columbia border
    The Alaska–British Columbia border is the international boundary separating the U.S. state of Alaska from the Canadian province of British Columbia along the Pacific Northwest coast and adjacent inland regions.
  • D. Quebec–Ontario border
    The Quebec–Ontario border is the interprovincial boundary in Canada separating the predominantly French-speaking province of Quebec from the predominantly English-speaking province of Ontario, running from the Ottawa River region northward through sparsely populated boreal and subarctic areas.
  • E. Canada–United States border region
    The Canada–United States border region is the extensive transboundary area where the two countries meet, encompassing shared ecosystems, waterways, and communities that require coordinated environmental and policy management.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca84dd4608819097ff4ed00feca280 completed March 30, 2026, 2:12 p.m.
NER Named-entity recognition batch_69cdab7cb9588190953a063cb7b9e29e completed April 1, 2026, 11:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69d1d5aecdec81909fae349945406c6c completed April 5, 2026, 3:23 a.m.
Created at: March 30, 2026, 8:29 p.m.