Triple

T7562788
Position Surface form Disambiguated ID Type / Status
Subject Bobcaygeon Lock E178833 entity
Predicate locatedOnWaterBody P1489 FINISHED
Object Trent River–Severn River system
The Trent River–Severn River system is a major interconnected waterway in Ontario, Canada, forming part of the Trent–Severn Waterway that links Lake Ontario to Georgian Bay through a series of rivers, lakes, and locks.
E675542 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 River–Severn River system | Statement: [Bobcaygeon Lock, locatedOnWaterBody, Trent River–Severn River system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Trent River–Severn River system
Context triple: [Bobcaygeon Lock, locatedOnWaterBody, Trent River–Severn River system]
  • A. Ottawa River
    The Ottawa River is a major waterway in eastern Canada that forms much of the border between Ontario and Quebec and is a key tributary of the Saint Lawrence River.
  • B. Ottawa River watershed
    The Ottawa River watershed is the drainage basin that collects and channels water from a vast area of eastern Ontario and western Quebec into the Ottawa River, influencing regional ecosystems, water resources, and communities.
  • C. Rideau River
    The Rideau River is a major waterway in Eastern Ontario, Canada, flowing through the city of Ottawa and forming part of the historic Rideau Canal system.
  • D. Montreal River
    The Montreal River is a river in northeastern Ontario, Canada, that flows through forested and sparsely populated areas before emptying into Lake Timiskaming.
  • E. Montreal River
    The Montreal River is a waterway in the Upper Peninsula of Michigan that forms part of the boundary between Michigan and Wisconsin before flowing into Lake Superior.
  • 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 River–Severn River system
Triple: [Bobcaygeon Lock, locatedOnWaterBody, Trent River–Severn River system]
Generated description
The Trent River–Severn River system is a major interconnected waterway in Ontario, Canada, forming part of the Trent–Severn Waterway that links Lake Ontario to Georgian Bay through a series of rivers, lakes, and locks.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Trent River–Severn River system
Target entity description: The Trent River–Severn River system is a major interconnected waterway in Ontario, Canada, forming part of the Trent–Severn Waterway that links Lake Ontario to Georgian Bay through a series of rivers, lakes, and locks.
  • A. Ottawa River
    The Ottawa River is a major waterway in eastern Canada that forms much of the border between Ontario and Quebec and is a key tributary of the Saint Lawrence River.
  • B. Ottawa River watershed
    The Ottawa River watershed is the drainage basin that collects and channels water from a vast area of eastern Ontario and western Quebec into the Ottawa River, influencing regional ecosystems, water resources, and communities.
  • C. Rideau River
    The Rideau River is a major waterway in Eastern Ontario, Canada, flowing through the city of Ottawa and forming part of the historic Rideau Canal system.
  • D. Montreal River
    The Montreal River is a river in northeastern Ontario, Canada, that flows through forested and sparsely populated areas before emptying into Lake Timiskaming.
  • E. Montreal River
    The Montreal River is a waterway in the Upper Peninsula of Michigan that forms part of the boundary between Michigan and Wisconsin before flowing into Lake Superior.
  • 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_69c69f2f80288190b95cceb4da92ab2b completed March 27, 2026, 3:15 p.m.
NER Named-entity recognition batch_69c6f8f994a48190b8338654d6777654 completed March 27, 2026, 9:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8615c98808190a9dd598846a598b2 completed March 28, 2026, 11:16 p.m.
NEDg Description generation batch_69c86223bfec8190b47f840e39c9a51a completed March 28, 2026, 11:20 p.m.
NED2 Entity disambiguation (via description) batch_69c862b8f3688190b0abc00458f70d7e completed March 28, 2026, 11:22 p.m.
Created at: March 27, 2026, 3:50 p.m.