Triple

T475902
Position Surface form Disambiguated ID Type / Status
Subject Portland Observatory E9059 entity
Predicate survived P5939 FINISHED
Object Great Fire of Portland 1866
The Great Fire of Portland 1866 was a devastating conflagration that swept through much of Portland, Maine on July 4, 1866, destroying large portions of the city’s downtown and waterfront and becoming one of the most destructive urban fires in 19th-century America.
E59329 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: Great Fire of Portland 1866 | Statement: [Portland Observatory, survived, Great Fire of Portland 1866]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Great Fire of Portland 1866
Context triple: [Portland Observatory, survived, Great Fire of Portland 1866]
  • A. Great Holland Fire of 1871
    The Great Holland Fire of 1871 was a devastating conflagration that destroyed much of Holland, Michigan, during the same period as the Great Chicago Fire and other major Midwest fires.
  • B. Great Chicago Fire of 1871
    The Great Chicago Fire of 1871 was a catastrophic urban conflagration that destroyed much of Chicago, killed hundreds, left thousands homeless, and spurred major changes in building codes and city planning.
  • C. Great Midwest Fires of 1871
    The Great Midwest Fires of 1871 were a series of devastating wildfires across several Midwestern U.S. states, including the infamous Peshtigo Fire, that caused massive destruction and loss of life in early October 1871.
  • D. Peshtigo Fire
    The Peshtigo Fire was a catastrophic 1871 forest fire in Wisconsin that remains the deadliest wildfire in United States history.
  • E. Great Fire of London
    The Great Fire of London was a devastating 1666 conflagration that destroyed much of the medieval City of London and led to major urban rebuilding and fire-safety reforms.
  • 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: Great Fire of Portland 1866
Triple: [Portland Observatory, survived, Great Fire of Portland 1866]
Generated description
The Great Fire of Portland 1866 was a devastating conflagration that swept through much of Portland, Maine on July 4, 1866, destroying large portions of the city’s downtown and waterfront and becoming one of the most destructive urban fires in 19th-century America.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Great Fire of Portland 1866
Target entity description: The Great Fire of Portland 1866 was a devastating conflagration that swept through much of Portland, Maine on July 4, 1866, destroying large portions of the city’s downtown and waterfront and becoming one of the most destructive urban fires in 19th-century America.
  • A. Great Holland Fire of 1871
    The Great Holland Fire of 1871 was a devastating conflagration that destroyed much of Holland, Michigan, during the same period as the Great Chicago Fire and other major Midwest fires.
  • B. Great Chicago Fire of 1871
    The Great Chicago Fire of 1871 was a catastrophic urban conflagration that destroyed much of Chicago, killed hundreds, left thousands homeless, and spurred major changes in building codes and city planning.
  • C. Great Midwest Fires of 1871
    The Great Midwest Fires of 1871 were a series of devastating wildfires across several Midwestern U.S. states, including the infamous Peshtigo Fire, that caused massive destruction and loss of life in early October 1871.
  • D. Peshtigo Fire
    The Peshtigo Fire was a catastrophic 1871 forest fire in Wisconsin that remains the deadliest wildfire in United States history.
  • E. Great Fire of London
    The Great Fire of London was a devastating 1666 conflagration that destroyed much of the medieval City of London and led to major urban rebuilding and fire-safety reforms.
  • 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_69a2e7ff81708190b0507a24a997232c completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2f03b5e5081908ee3dba9d19a6871 completed Feb. 28, 2026, 1:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69a46802cf108190a71d45f1ad3262e2 completed March 1, 2026, 4:23 p.m.
NEDg Description generation batch_69a4686a1c448190943fb889cd26c715 completed March 1, 2026, 4:25 p.m.
NED2 Entity disambiguation (via description) batch_69a468c9f5008190b431bc4bd374ab78 completed March 1, 2026, 4:26 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.