Triple

T4932625
Position Surface form Disambiguated ID Type / Status
Subject Kirenga River E110732 entity
Predicate mouth P407 FINISHED
Object Lena River E17170 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: Lena River | Statement: [Kirenga River, mouth, Lena River]

Disambiguation candidates (1 decision)

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: Lena River
Context triple: [Kirenga River, mouth, Lena River]
  • A. Lena River chosen
    The Lena River is one of the longest rivers in the world, flowing through Siberia in northeastern Russia to the Arctic Ocean.
  • B. Velikaya River
    The Velikaya River is a major waterway in northwestern Russia that flows through Pskov Oblast into Lake Peipus, historically serving as an important trade and strategic route.
  • C. Bolshaya Urta River
    The Bolshaya Urta River is a smaller watercourse in Russia that serves as one of the tributaries feeding into the Samara River system.
  • D. Angara River
    The Angara River is a major river in Siberia that flows northward from Lake Baikal through Irkutsk Oblast before joining the Yenisei River.
  • E. Abakan River
    The Abakan River is a significant river in southern Siberia, Russia, flowing through the Republic of Khakassia and known for its role in regional transport, fishing, and hydropower.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69bd4415190c8190817bee7ec9f9f944 elicitation completed
NER batch_69bd70652d988190ba4a493db510952e ner completed
NED1 batch_69bf186311c88190a8fe34e497e4662b ned_source_triple completed
Created at: March 20, 2026, 1:30 p.m.