Triple

T4931663
Position Surface form Disambiguated ID Type / Status
Subject Purus River E110709 entity
Predicate hasTributary P415 FINISHED
Object Mamu River
The Mamu River is a lesser-known river in western Brazil that serves as a tributary within the extensive Amazon Basin water system.
 E518170 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: Mamu River | Statement: [Purus River, hasTributary, Mamu River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mamu River
Context triple: [Purus River, hasTributary, Mamu River]
  • A. Mun River
    The Mun River is a significant river in northeastern Thailand that drains much of the Isan region before joining the Mekong.
  • B. Sangkae River
    The Sangkae River is a key waterway in northwestern Cambodia that flows through and sustains the city of Battambang and its surrounding agricultural areas.
  • C. Orsang River
    The Orsang River is a significant river in western India that serves as a major tributary of the Rewa (Narmada) River, contributing to its flow and regional water system.
  • D. Harangi River
    The Harangi River is a tributary of the Kaveri River in Karnataka, India, known for the Harangi Dam that supports irrigation and regional water management.
  • E. Cibin River
    The Cibin River is a significant river in central Romania that flows through Sibiu County and the city of Sibiu before joining the Olt River.
  • 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: Mamu River
Triple: [Purus River, hasTributary, Mamu River]
Generated description
The Mamu River is a lesser-known river in western Brazil that serves as a tributary within the extensive Amazon Basin water system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mamu River
Target entity description: The Mamu River is a lesser-known river in western Brazil that serves as a tributary within the extensive Amazon Basin water system.
  • A. Mun River
    The Mun River is a significant river in northeastern Thailand that drains much of the Isan region before joining the Mekong.
  • B. Sangkae River
    The Sangkae River is a key waterway in northwestern Cambodia that flows through and sustains the city of Battambang and its surrounding agricultural areas.
  • C. Orsang River
    The Orsang River is a significant river in western India that serves as a major tributary of the Rewa (Narmada) River, contributing to its flow and regional water system.
  • D. Harangi River
    The Harangi River is a tributary of the Kaveri River in Karnataka, India, known for the Harangi Dam that supports irrigation and regional water management.
  • E. Cibin River
    The Cibin River is a significant river in central Romania that flows through Sibiu County and the city of Sibiu before joining the Olt River.
  • 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_69bd4415190c8190817bee7ec9f9f944 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd7063c57c8190a5a6fb3586238d35 completed March 20, 2026, 4:05 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf3a8192848190aa2413b9517f18d8 completed March 22, 2026, 12:40 a.m.
NEDg Description generation batch_69bf3b3a651c81908dc3a4ca76e0699d completed March 22, 2026, 12:43 a.m.
NED2 Entity disambiguation (via description) batch_69bf3b9a2f78819093ab11fddaed71c3 completed March 22, 2026, 12:45 a.m.
Created at: March 20, 2026, 1:30 p.m.