Triple

T11316844
Position Surface form Disambiguated ID Type / Status
Subject Arecibo, Puerto Rico E267989 entity
Predicate namedAfter P63 FINISHED
Object Arecibo River
The Arecibo River is a major river in Puerto Rico that flows through the municipality of Arecibo before emptying into the Atlantic Ocean.
 E919750 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Arecibo River | Statement: [Arecibo, Puerto Rico, namedAfter, Arecibo River]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Arecibo River
Context triple: [Arecibo, Puerto Rico, namedAfter, Arecibo River]
  • A. Guana River
    The Guana River is a coastal waterway in northeastern Florida that forms part of an ecologically rich estuarine system supporting diverse wildlife and habitats.
  • B. Cadagua River
    The Cadagua River is a watercourse in northern Spain that flows through the provinces of Burgos and Biscay before joining the Nervión River near Bilbao.
  • C. Santo Domingo River
    The Santo Domingo River is a river in southern Mexico that forms part of the Papaloapan River basin and contributes to the region’s extensive tropical watershed.
  • D. Matanzas River
    The Matanzas River is a tidal estuary on Florida’s northeast coast that flows past historic St. Augustine and forms part of the Intracoastal Waterway.
  • E. Guamá River
    The Guamá River is a major waterway in northern Brazil that flows through the state of Pará and borders the city of Belém, playing a key role in regional transport and ecology.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Arecibo River
Target entity description: The Arecibo River is a major river in Puerto Rico that flows through the municipality of Arecibo before emptying into the Atlantic Ocean.
  • A. Guana River
    The Guana River is a coastal waterway in northeastern Florida that forms part of an ecologically rich estuarine system supporting diverse wildlife and habitats.
  • B. Cadagua River
    The Cadagua River is a watercourse in northern Spain that flows through the provinces of Burgos and Biscay before joining the Nervión River near Bilbao.
  • C. Santo Domingo River
    The Santo Domingo River is a river in southern Mexico that forms part of the Papaloapan River basin and contributes to the region’s extensive tropical watershed.
  • D. Matanzas River
    The Matanzas River is a tidal estuary on Florida’s northeast coast that flows past historic St. Augustine and forms part of the Intracoastal Waterway.
  • E. Guamá River
    The Guamá River is a major waterway in northern Brazil that flows through the state of Pará and borders the city of Belém, playing a key role in regional transport and ecology.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Arecibo River
Triple: [Arecibo, Puerto Rico, namedAfter, Arecibo River]
Generated description
The Arecibo River is a major river in Puerto Rico that flows through the municipality of Arecibo before emptying into the Atlantic Ocean.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d6aaca5c24819083db46a30d86cb34 elicitation completed
NER batch_69d7e9c3cf748190987838029d9f7fff ner completed
NED1 batch_69e542f294988190bb456326e4184dcb ned_source_triple completed
NED2 batch_69e54eccdd3881908536ee3f9f4ef516 ned_description completed
NEDg batch_69e5474879088190990468d960b26739 nedg completed
Created at: April 8, 2026, 9:32 p.m.