Triple

T11846572
Position Surface form Disambiguated ID Type / Status
Subject Rybinsk E281792 entity
Predicate isTerminusOf P388 FINISHED
Object Northern Dvina Canal system
The Northern Dvina Canal system is a historic Russian waterway network that links the Volga River basin with the Northern Dvina basin, facilitating navigation between central Russia and the White Sea region.
 E952211 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Northern Dvina Canal system | Statement: [Rybinsk, isTerminusOf, Northern Dvina Canal system]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Northern Dvina Canal system
Context triple: [Rybinsk, isTerminusOf, Northern Dvina Canal system]
  • A. Volga–Don Canal
    The Volga–Don Canal is a major Soviet-era waterway in southern Russia that links the Volga and Don rivers, providing a crucial navigable connection between the Caspian Sea and the Sea of Azov/Black Sea.
  • B. Ladoga Canal
    The Ladoga Canal is a historic Russian waterway built to bypass the dangerous waters of Lake Ladoga and facilitate safer navigation between the Neva River and inland regions.
  • C. Moscow Canal
    The Moscow Canal is a major Soviet-era waterway in Russia that links Moscow to the Volga River basin, providing the city with a vital shipping route, water supply, and part of the Moscow Ring of waterways.
  • D. Volga–Baltic Waterway
    The Volga–Baltic Waterway is a major Russian shipping route that links the Volga River basin with the Baltic Sea through a system of rivers, lakes, and canals.
  • E. Mariinsk Canal System
    The Mariinsk Canal System was a historic Russian waterway network that linked the Volga River basin with the Baltic Sea, playing a key role in trade and transportation before its modernization into the Volga–Baltic Waterway.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Northern Dvina Canal system
Target entity description: The Northern Dvina Canal system is a historic Russian waterway network that links the Volga River basin with the Northern Dvina basin, facilitating navigation between central Russia and the White Sea region.
  • A. Volga–Don Canal
    The Volga–Don Canal is a major Soviet-era waterway in southern Russia that links the Volga and Don rivers, providing a crucial navigable connection between the Caspian Sea and the Sea of Azov/Black Sea.
  • B. Ladoga Canal
    The Ladoga Canal is a historic Russian waterway built to bypass the dangerous waters of Lake Ladoga and facilitate safer navigation between the Neva River and inland regions.
  • C. Moscow Canal
    The Moscow Canal is a major Soviet-era waterway in Russia that links Moscow to the Volga River basin, providing the city with a vital shipping route, water supply, and part of the Moscow Ring of waterways.
  • D. Volga–Baltic Waterway
    The Volga–Baltic Waterway is a major Russian shipping route that links the Volga River basin with the Baltic Sea through a system of rivers, lakes, and canals.
  • E. Mariinsk Canal System
    The Mariinsk Canal System was a historic Russian waterway network that linked the Volga River basin with the Baltic Sea, playing a key role in trade and transportation before its modernization into the Volga–Baltic Waterway.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Northern Dvina Canal system
Triple: [Rybinsk, isTerminusOf, Northern Dvina Canal system]
Generated description
The Northern Dvina Canal system is a historic Russian waterway network that links the Volga River basin with the Northern Dvina basin, facilitating navigation between central Russia and the White Sea region.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d6ab287ba48190a5178779fd19b9b7 elicitation completed
NER batch_69d8a65b5ff08190bb58361f6a6acdca ner completed
NED1 batch_69f2814210e48190821fca390dc7e312 ned_source_triple completed
NED2 batch_69f40deb4eec8190a8fe1aa59b1514e6 ned_description completed
NEDg batch_69f40b2d0a388190a11a0e2d806e310b nedg completed
Created at: April 8, 2026, 9:43 p.m.