Triple

T6038057
Position Surface form Disambiguated ID Type / Status
Subject Paranaíba River E134470 entity
Predicate hasCityOnBank P7935 FINISHED
Object Itumbiara
Itumbiara is a municipality in the Brazilian state of Goiás, known for its strategic location on the Paranaíba River and its role as a regional economic and transportation hub.
E566495 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: Itumbiara | Statement: [Paranaíba River, hasCityOnBank, Itumbiara]

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: Itumbiara
Context triple: [Paranaíba River, hasCityOnBank, Itumbiara]
  • A. Chambeali
    Chambeali is an Indo-Aryan language spoken primarily in the Chamba region of Himachal Pradesh in northern India.
  • B. Negombo
    Negombo is a coastal city in western Sri Lanka known historically as a strategic colonial port and today for its fishing industry and beach tourism.
  • C. Egushawa
    Egushawa was an 18th-century Ottawa war chief known for his prominent leadership in Native American resistance against United States expansion in the Old Northwest.
  • D. Duitama
    Duitama is a Colombian city in the Andean highlands known as an important commercial and transport hub within the Boyacá region.
  • E. Chamiti
    Chamiti is the summit that forms the highest peak of Mount Vermio in northern Greece.
  • 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: Itumbiara
Target entity description: Itumbiara is a municipality in the Brazilian state of Goiás, known for its strategic location on the Paranaíba River and its role as a regional economic and transportation hub.
  • A. Chambeali
    Chambeali is an Indo-Aryan language spoken primarily in the Chamba region of Himachal Pradesh in northern India.
  • B. Negombo
    Negombo is a coastal city in western Sri Lanka known historically as a strategic colonial port and today for its fishing industry and beach tourism.
  • C. Egushawa
    Egushawa was an 18th-century Ottawa war chief known for his prominent leadership in Native American resistance against United States expansion in the Old Northwest.
  • D. Duitama
    Duitama is a Colombian city in the Andean highlands known as an important commercial and transport hub within the Boyacá region.
  • E. Chamiti
    Chamiti is the summit that forms the highest peak of Mount Vermio in northern Greece.
  • 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: Itumbiara
Triple: [Paranaíba River, hasCityOnBank, Itumbiara]
Generated description
Itumbiara is a municipality in the Brazilian state of Goiás, known for its strategic location on the Paranaíba River and its role as a regional economic and transportation hub.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69c00875db5c819099dd5bb833ec43c2 elicitation completed
NER batch_69c056ccac948190a27547878d4db8e4 ner completed
NED1 batch_69c11cfbb4cc81909736d5d041dd0b23 ned_source_triple completed
NED2 batch_69c11ef6971c8190b8dde5568b330b41 ned_description completed
NEDg batch_69c11e89c75481908381df126a7b1661 nedg completed
Created at: March 22, 2026, 4:08 p.m.