Triple

T790191
Position Surface form Disambiguated ID Type / Status
Subject Amazon River E16895 entity
Predicate sourceLocation P40 FINISHED
Object Ucayali–Marañón confluence
The Ucayali–Marañón confluence is the junction in northeastern Peru where the Ucayali and Marañón rivers meet to form the main stem of the Amazon River.
E109147 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: Ucayali–Marañón confluence | Statement: [Amazon River, sourceLocation, Ucayali–Marañón confluence]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ucayali–Marañón confluence
Context triple: [Amazon River, sourceLocation, Ucayali–Marañón confluence]
  • A. Coca River
    The Coca River is a significant waterway in northeastern Ecuador that flows through the Amazon rainforest and contributes to the Napo River system.
  • B. Urubamba River
    The Urubamba River is a major waterway in Peru’s Andes that carves through the region of Machu Picchu and the Sacred Valley, playing a crucial role in Inca history and agriculture.
  • C. Curaray River
    The Curaray River is a remote waterway in the Amazon Basin of Ecuador and Peru, known for its dense rainforest surroundings and historical significance in missionary and indigenous encounters.
  • D. Aguarico River
    The Aguarico River is a significant waterway in the Amazon Basin of Ecuador and Peru, known for flowing through biodiverse rainforest regions and supporting local indigenous communities.
  • E. Apure River
    The Apure River is a significant waterway in western Venezuela that drains the Llanos plains and supports regional agriculture, cattle ranching, and river transport.
  • 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: Ucayali–Marañón confluence
Triple: [Amazon River, sourceLocation, Ucayali–Marañón confluence]
Generated description
The Ucayali–Marañón confluence is the junction in northeastern Peru where the Ucayali and Marañón rivers meet to form the main stem of the Amazon River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ucayali–Marañón confluence
Target entity description: The Ucayali–Marañón confluence is the junction in northeastern Peru where the Ucayali and Marañón rivers meet to form the main stem of the Amazon River.
  • A. Coca River
    The Coca River is a significant waterway in northeastern Ecuador that flows through the Amazon rainforest and contributes to the Napo River system.
  • B. Urubamba River
    The Urubamba River is a major waterway in Peru’s Andes that carves through the region of Machu Picchu and the Sacred Valley, playing a crucial role in Inca history and agriculture.
  • C. Curaray River
    The Curaray River is a remote waterway in the Amazon Basin of Ecuador and Peru, known for its dense rainforest surroundings and historical significance in missionary and indigenous encounters.
  • D. Aguarico River
    The Aguarico River is a significant waterway in the Amazon Basin of Ecuador and Peru, known for flowing through biodiverse rainforest regions and supporting local indigenous communities.
  • E. Apure River
    The Apure River is a significant waterway in western Venezuela that drains the Llanos plains and supports regional agriculture, cattle ranching, and river transport.
  • 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_69a4936cb7448190914f5fe4b8d81607 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a7841b0c8190859ecd247e32c6ec completed March 1, 2026, 8:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7edfae07c8190b104c869302cd486 completed March 4, 2026, 8:31 a.m.
NEDg Description generation batch_69a7eee00d088190a9ee3d521a974459 completed March 4, 2026, 8:35 a.m.
NED2 Entity disambiguation (via description) batch_69a7f1242e7c81908de2d09cadbe070e completed March 4, 2026, 8:45 a.m.
Created at: March 1, 2026, 7:38 p.m.