Triple

T507660
Position Surface form Disambiguated ID Type / Status
Subject Gulf of Mexico E10536 entity
Predicate receivesRiver P4359 FINISHED
Object Usumacinta River
The Usumacinta River is a major river in southeastern Mexico and northwestern Guatemala, known for its extensive rainforest basin, rich biodiversity, and archaeological sites of the ancient Maya civilization along its banks.
E64485 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: Usumacinta River | Statement: [Gulf of Mexico, receivesRiver, Usumacinta River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Usumacinta River
Context triple: [Gulf of Mexico, receivesRiver, Usumacinta River]
  • A. Desaguadero River
    The Desaguadero River is a major river of the Altiplano in South America that drains Lake Titicaca and flows southward through Bolivia toward Lake Poopó.
  • B. Huancané River
    The Huancané River is a river in the Andean region of Peru that serves as one of the tributaries feeding Lake Titicaca.
  • C. Illapel River
    The Illapel River is a watercourse in Chile’s Coquimbo Region that flows through the Choapa Province, supporting local agriculture and communities in a semi-arid landscape.
  • D. Rímac River
    The Rímac River is a major waterway in central Peru that flows from the Andes through the city of Lima to the Pacific Ocean, serving as a crucial source of water for the capital region.
  • E. Río de los Remedios
    Río de los Remedios is a Metrobús station in Mexico City that serves as the northern terminus of Line 5 in the city’s bus rapid transit system.
  • 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: Usumacinta River
Triple: [Gulf of Mexico, receivesRiver, Usumacinta River]
Generated description
The Usumacinta River is a major river in southeastern Mexico and northwestern Guatemala, known for its extensive rainforest basin, rich biodiversity, and archaeological sites of the ancient Maya civilization along its banks.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Usumacinta River
Target entity description: The Usumacinta River is a major river in southeastern Mexico and northwestern Guatemala, known for its extensive rainforest basin, rich biodiversity, and archaeological sites of the ancient Maya civilization along its banks.
  • A. Desaguadero River
    The Desaguadero River is a major river of the Altiplano in South America that drains Lake Titicaca and flows southward through Bolivia toward Lake Poopó.
  • B. Huancané River
    The Huancané River is a river in the Andean region of Peru that serves as one of the tributaries feeding Lake Titicaca.
  • C. Illapel River
    The Illapel River is a watercourse in Chile’s Coquimbo Region that flows through the Choapa Province, supporting local agriculture and communities in a semi-arid landscape.
  • D. Rímac River
    The Rímac River is a major waterway in central Peru that flows from the Andes through the city of Lima to the Pacific Ocean, serving as a crucial source of water for the capital region.
  • E. Río de los Remedios
    Río de los Remedios is a Metrobús station in Mexico City that serves as the northern terminus of Line 5 in the city’s bus rapid transit system.
  • 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_69a2e848adf881908e5e04f7af030093 completed Feb. 28, 2026, 1:06 p.m.
NER Named-entity recognition batch_69a2f14dcd688190ad47a3b31b95b6d4 completed Feb. 28, 2026, 1:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4a42835088190b489cc23629a44c0 completed March 1, 2026, 8:40 p.m.
NEDg Description generation batch_69a4a488e0648190a5d8331c43c15a52 completed March 1, 2026, 8:41 p.m.
NED2 Entity disambiguation (via description) batch_69a4a52e4ae081909f880462479fc51f completed March 1, 2026, 8:44 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.