Triple

T20343186
Position Surface form Disambiguated ID Type / Status
Subject Itzamkanac E495791 entity
Predicate historicalEra P200 FINISHED
Object Postclassic Mesoamerican period — NE NERFINISHED

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: Postclassic Mesoamerican period | Statement: [Itzamkanac, historicalEra, Postclassic Mesoamerican period]

Disambiguation candidates (1 decision)

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: Postclassic Mesoamerican period
Context triple: [Itzamkanac, historicalEra, Postclassic Mesoamerican period]
  • A. Postclassic period of Mesoamerica chosen
    The Postclassic period of Mesoamerica was the final pre-Columbian era (roughly 900–1521 CE) marked by intensified warfare, long-distance trade, urban centers, and powerful states such as the Aztec Empire.
  • B. Late Classic period
    The Late Classic period was a flourishing era of Mesoamerican civilization, roughly spanning 600–900 CE, marked by the peak of Maya city-states and vibrant artistic, architectural, and political developments across the region.
  • C. Early Postclassic period
    The Early Postclassic period was a Mesoamerican historical era marked by the rise of powerful city-states like Tula and characterized by increased militarism, long-distance trade, and cultural interaction across central Mexico and beyond.
  • D. Preclassic Mesoamerica
    Preclassic Mesoamerica is the early formative era of Mesoamerican civilization, marked by the rise of complex societies, agriculture, and urban centers that laid the foundations for later cultures like the Zapotecs and Maya.
  • E. Classic period in Mesoamerica
    The Classic period in Mesoamerica was a flourishing era (roughly 250–900 CE) marked by the rise of great city-states like Teotihuacan, Tikal, and Palenque, characterized by monumental architecture, complex writing and calendrical systems, and extensive trade networks.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e0b4a3320881909495ae8bc30bc2dc elicitation completed
NER batch_69e67836b72081908be65115abdb37bf ner completed
Created at: April 16, 2026, 11:24 a.m.