Triple

T1272345
Position Surface form Disambiguated ID Type / Status
Subject Niger River E15736 entity
Predicate majorTributary P415 FINISHED
Object Mékrou River
The Mékrou River is a West African waterway that flows through Benin, Burkina Faso, and Niger, helping form part of the borders between these countries and contributing significantly to the Niger River basin.
E203547 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: Mékrou River | Statement: [Niger River, majorTributary, Mékrou River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mékrou River
Context triple: [Niger River, majorTributary, Mékrou River]
  • A. Logone River
    The Logone River is a significant Central African waterway that forms part of the border between Chad and Cameroon before joining the Chari River near Lake Chad.
  • B. Wouri River
    The Wouri River is a major waterway in southwestern Cameroon that flows into the Gulf of Guinea and hosts the important port city of Douala along its estuary.
  • C. Ogooué River
    The Ogooué River is the principal waterway of Gabon, flowing across the country to the Atlantic Ocean and serving as a vital ecological and transportation corridor in Central Africa.
  • D. Gongola River
    The Gongola River is a major river in northeastern Nigeria that flows through the savanna region before joining the Benue River.
  • E. Sanaga River
    The Sanaga River is the longest river in Cameroon, flowing from the central highlands to the Atlantic Ocean and serving as a major source of hydroelectric power and water resources for the country.
  • 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: Mékrou River
Triple: [Niger River, majorTributary, Mékrou River]
Generated description
The Mékrou River is a West African waterway that flows through Benin, Burkina Faso, and Niger, helping form part of the borders between these countries and contributing significantly to the Niger River basin.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mékrou River
Target entity description: The Mékrou River is a West African waterway that flows through Benin, Burkina Faso, and Niger, helping form part of the borders between these countries and contributing significantly to the Niger River basin.
  • A. Logone River
    The Logone River is a significant Central African waterway that forms part of the border between Chad and Cameroon before joining the Chari River near Lake Chad.
  • B. Wouri River
    The Wouri River is a major waterway in southwestern Cameroon that flows into the Gulf of Guinea and hosts the important port city of Douala along its estuary.
  • C. Ogooué River
    The Ogooué River is the principal waterway of Gabon, flowing across the country to the Atlantic Ocean and serving as a vital ecological and transportation corridor in Central Africa.
  • D. Gongola River
    The Gongola River is a major river in northeastern Nigeria that flows through the savanna region before joining the Benue River.
  • E. Sanaga River
    The Sanaga River is the longest river in Cameroon, flowing from the central highlands to the Atlantic Ocean and serving as a major source of hydroelectric power and water resources for the country.
  • 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_69a4935a94308190bb92555b79032824 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4c06c033081909bc594157abaf5bb completed March 1, 2026, 10:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69adbf379d048190924ad8dfa9ac5e7a completed March 8, 2026, 6:25 p.m.
NEDg Description generation batch_69adc07e9ebc819082566cc98025b4ae completed March 8, 2026, 6:31 p.m.
NED2 Entity disambiguation (via description) batch_69adc12c894881909c9a82fc9e363a41 completed March 8, 2026, 6:34 p.m.
Created at: March 1, 2026, 7:50 p.m.