Triple

T13845406
Position Surface form Disambiguated ID Type / Status
Subject Lachen River E332790 entity
Predicate confluenceWith P2416 FINISHED
Object Lachung River E269176 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: Lachung River | Statement: [Lachen River, confluenceWith, Lachung 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: Lachung River
Context triple: [Lachen River, confluenceWith, Lachung River]
  • A. Lachung River chosen
    The Lachung River is a mountain river in the Indian state of Sikkim that flows through the village of Lachung and joins the Teesta River, contributing to the region’s dramatic valleys and hydropower potential.
  • B. Rangpo River
    The Rangpo River is a Himalayan river in the Indian state of Sikkim that flows through steep valleys and towns like Rangpo before joining the Teesta River.
  • C. Puna Tsang River
    Puna Tsang River is a major river in western Bhutan that flows through Punakha and Wangdue Phodrang districts before joining the larger Brahmaputra river system.
  • D. Puna Tsang Chhu
    Puna Tsang Chhu is a significant river in western Bhutan that flows through deep valleys and supports major hydropower projects and agriculture before joining the Brahmaputra basin.
  • E. Bartang River
    The Bartang River is a remote mountain river in the Pamir region of Tajikistan, known for flowing through deep gorges and isolated high-altitude valleys.
  • 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_69d81c5ba13c8190839315f54768acfd elicitation completed
NER batch_69de02b1a25c8190a9f85ba43c421188 ner completed
NED1 batch_69fcd08c21a48190b4077d5acb4ab658 ned_source_triple completed
Created at: April 9, 2026, 10:13 p.m.