Triple

T4466797
Position Surface form Disambiguated ID Type / Status
Subject Itaipu Dam E98397 entity
Predicate foundingTreatyName P23329 FINISHED
Object Treaty of Itaipu
The Treaty of Itaipu is the 1973 bilateral agreement between Brazil and Paraguay that established the terms for constructing and jointly operating the Itaipu hydroelectric dam on the Paraná River.
E442396 NE FINISHED

How this triple was built (5 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: Treaty of Itaipu | Statement: [Itaipu Dam, foundingTreatyName, Treaty of Itaipu]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Treaty of Itaipu
Context triple: [Itaipu Dam, foundingTreatyName, Treaty of Itaipu]
  • A. Treaty of Asunción
    The Treaty of Asunción is the 1991 agreement that created the Southern Common Market (MERCOSUR), establishing a regional trade bloc among several South American countries.
  • B. River Plate Basin Treaty
    The River Plate Basin Treaty is a regional agreement among South American countries that establishes cooperative management and development of the Río de la Plata basin’s shared water resources.
  • C. Treaty of El Pardo
    The Treaty of El Pardo was an 18th-century agreement between Spain and Portugal that redefined their colonial boundaries, including Spain’s claims in the region that would become Equatorial Guinea.
  • D. Treaty of Almazán
    The Treaty of Almazán was a 14th-century peace agreement between Castile and Aragon that ended the protracted War of the Two Peters on the Iberian Peninsula.
  • E. Revised Treaty of Chaguaramas
    The Revised Treaty of Chaguaramas is the foundational agreement that restructured the Caribbean Community (CARICOM) and established the framework for deeper regional integration, including the CARICOM Single Market and Economy.
  • 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: Treaty of Itaipu
Triple: [Itaipu Dam, foundingTreatyName, Treaty of Itaipu]
Generated description
The Treaty of Itaipu is the 1973 bilateral agreement between Brazil and Paraguay that established the terms for constructing and jointly operating the Itaipu hydroelectric dam on the Paraná River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Treaty of Itaipu
Target entity description: The Treaty of Itaipu is the 1973 bilateral agreement between Brazil and Paraguay that established the terms for constructing and jointly operating the Itaipu hydroelectric dam on the Paraná River.
  • A. Treaty of Asunción
    The Treaty of Asunción is the 1991 agreement that created the Southern Common Market (MERCOSUR), establishing a regional trade bloc among several South American countries.
  • B. River Plate Basin Treaty
    The River Plate Basin Treaty is a regional agreement among South American countries that establishes cooperative management and development of the Río de la Plata basin’s shared water resources.
  • C. Treaty of El Pardo
    The Treaty of El Pardo was an 18th-century agreement between Spain and Portugal that redefined their colonial boundaries, including Spain’s claims in the region that would become Equatorial Guinea.
  • D. Treaty of Almazán
    The Treaty of Almazán was a 14th-century peace agreement between Castile and Aragon that ended the protracted War of the Two Peters on the Iberian Peninsula.
  • E. Revised Treaty of Chaguaramas
    The Revised Treaty of Chaguaramas is the foundational agreement that restructured the Caribbean Community (CARICOM) and established the framework for deeper regional integration, including the CARICOM Single Market and Economy.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: foundingTreatyName
Context triple: [Itaipu Dam, foundingTreatyName, Treaty of Itaipu]
  • A. foundingTreatySignedAt
    Indicates that the founding treaty establishing an entity was formally signed at a specific location.
  • B. foundingDocument
    Indicates that one entity serves as the official charter, constitution, or primary legal/organizational document that establishes or defines the other entity.
  • C. treatyOf
    Indicates a formal agreement or pact established between entities, typically states or organizations, defining their mutual obligations or terms.
  • D. treatyName chosen
    Indicates the formal name or title assigned to a specific treaty.
  • E. historicalTreaty
    Indicates that a formal agreement or pact was established between entities at some point in the past.
  • F. None of above.

Provenance (6 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_69b3454b4ae481908967426dd37284d6 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b356fb69a0819099f0005779f4fcac completed March 13, 2026, 12:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69b62860151c8190b43465537b154f00 completed March 15, 2026, 3:32 a.m.
NEDg Description generation batch_69b62c3bf15c8190826f93c4c43733e6 completed March 15, 2026, 3:49 a.m.
NED2 Entity disambiguation (via description) batch_69b62cbaef8c8190b5d89a607c76eaf7 completed March 15, 2026, 3:51 a.m.
PD Predicate disambiguation batch_69b3563bf4f8819081726cde3a34460b completed March 13, 2026, 12:11 a.m.
Created at: March 12, 2026, 11:34 p.m.