Triple

T175059
Position Surface form Disambiguated ID Type / Status
Subject Ontario E3554 entity
Predicate containsLandmark P1098 FINISHED
Object Trent–Severn Waterway
The Trent–Severn Waterway is a historic Canadian canal system in Ontario that links Lake Ontario to Georgian Bay through a chain of rivers, lakes, and locks, and is now a popular recreational boating route.
E30926 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: Trent–Severn Waterway | Statement: [Ontario, containsLandmark, Trent–Severn Waterway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Trent–Severn Waterway
Context triple: [Ontario, containsLandmark, Trent–Severn Waterway]
  • A. Rideau Canal
    The Rideau Canal is a historic waterway in Ontario and Quebec, Canada, renowned as a UNESCO World Heritage Site and one of the oldest continuously operated canals in North America.
  • B. Humber River
    The Humber River is a significant waterway in Toronto, Ontario, flowing through the city into Lake Ontario and serving as an important natural, recreational, and historical corridor.
  • C. Sault Ste. Marie Canal
    The Sault Ste. Marie Canal is a historic Canadian lock and canal system in Sault Ste. Marie, Ontario, that once formed a key part of Great Lakes shipping and is now a National Historic Site.
  • D. Saint Lawrence River
    The Saint Lawrence River is a major North American waterway that connects the Great Lakes to the Atlantic Ocean and serves as a vital commercial and cultural corridor for Canada and the United States.
  • E. Champlain Canal
    The Champlain Canal is a historic waterway in New York State that links the Hudson River to Lake Champlain, forming part of the state's inland navigation 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: Trent–Severn Waterway
Triple: [Ontario, containsLandmark, Trent–Severn Waterway]
Generated description
The Trent–Severn Waterway is a historic Canadian canal system in Ontario that links Lake Ontario to Georgian Bay through a chain of rivers, lakes, and locks, and is now a popular recreational boating route.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Trent–Severn Waterway
Target entity description: The Trent–Severn Waterway is a historic Canadian canal system in Ontario that links Lake Ontario to Georgian Bay through a chain of rivers, lakes, and locks, and is now a popular recreational boating route.
  • A. Rideau Canal
    The Rideau Canal is a historic waterway in Ontario and Quebec, Canada, renowned as a UNESCO World Heritage Site and one of the oldest continuously operated canals in North America.
  • B. Humber River
    The Humber River is a significant waterway in Toronto, Ontario, flowing through the city into Lake Ontario and serving as an important natural, recreational, and historical corridor.
  • C. Sault Ste. Marie Canal
    The Sault Ste. Marie Canal is a historic Canadian lock and canal system in Sault Ste. Marie, Ontario, that once formed a key part of Great Lakes shipping and is now a National Historic Site.
  • D. Saint Lawrence River
    The Saint Lawrence River is a major North American waterway that connects the Great Lakes to the Atlantic Ocean and serves as a vital commercial and cultural corridor for Canada and the United States.
  • E. Champlain Canal
    The Champlain Canal is a historic waterway in New York State that links the Hudson River to Lake Champlain, forming part of the state's inland navigation 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_69a25374990081909766d30c79a18e0e completed Feb. 28, 2026, 2:31 a.m.
NER Named-entity recognition batch_69a25bafd5808190a0a0cb2b21ce007f completed Feb. 28, 2026, 3:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69a36958f6488190872ccf3c318a3cfa completed Feb. 28, 2026, 10:16 p.m.
NEDg Description generation batch_69a369de04048190b2dc01cc328e644d completed Feb. 28, 2026, 10:19 p.m.
NED2 Entity disambiguation (via description) batch_69a36a48d5a88190a727fec1c25a1d5b completed Feb. 28, 2026, 10:20 p.m.
Created at: Feb. 28, 2026, 2:39 a.m.