Triple

T9225977
Position Surface form Disambiguated ID Type / Status
Subject 1957 Mexico City earthquake E221682 entity
Predicate followedBy P78 FINISHED
Object 1979 Petatlán earthquake
The 1979 Petatlán earthquake was a powerful seismic event that struck near Petatlán on Mexico’s Pacific coast, causing significant damage and casualties in the Guerrero region.
 E786814 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: 1979 Petatlán earthquake | Statement: [1957 Mexico City earthquake, followedBy, 1979 Petatlán earthquake]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 1979 Petatlán earthquake
Context triple: [1957 Mexico City earthquake, followedBy, 1979 Petatlán earthquake]
  • A. 1941 Guerrero earthquake
    The 1941 Guerrero earthquake was a significant seismic event that struck the Mexican state of Guerrero, contributing to the region’s history of major earthquakes along the Pacific coast.
  • B. 1957 Mexico City earthquake
    The 1957 Mexico City earthquake was a powerful and destructive seismic event that struck Mexico City, causing significant damage to buildings and landmarks and resulting in numerous casualties.
  • C. 1985 Mexico City earthquake
    The 1985 Mexico City earthquake was a devastating magnitude 8.0 seismic event that struck Mexico City on September 19, 1985, causing widespread destruction and significant loss of life.
  • D. 1986 San Salvador earthquake
    The 1986 San Salvador earthquake was a devastating magnitude 5.7 tremor that struck El Salvador’s capital region on October 10, 1986, causing widespread destruction and significant loss of life.
  • E. 1746 Lima–Callao earthquake
    The 1746 Lima–Callao earthquake was a devastating seismic event in colonial Peru that destroyed much of Lima and the port of Callao and triggered a deadly tsunami, profoundly reshaping the region’s urban and architectural landscape.
  • 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: 1979 Petatlán earthquake
Triple: [1957 Mexico City earthquake, followedBy, 1979 Petatlán earthquake]
Generated description
The 1979 Petatlán earthquake was a powerful seismic event that struck near Petatlán on Mexico’s Pacific coast, causing significant damage and casualties in the Guerrero region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: 1979 Petatlán earthquake
Target entity description: The 1979 Petatlán earthquake was a powerful seismic event that struck near Petatlán on Mexico’s Pacific coast, causing significant damage and casualties in the Guerrero region.
  • A. 1941 Guerrero earthquake
    The 1941 Guerrero earthquake was a significant seismic event that struck the Mexican state of Guerrero, contributing to the region’s history of major earthquakes along the Pacific coast.
  • B. 1957 Mexico City earthquake
    The 1957 Mexico City earthquake was a powerful and destructive seismic event that struck Mexico City, causing significant damage to buildings and landmarks and resulting in numerous casualties.
  • C. 1985 Mexico City earthquake
    The 1985 Mexico City earthquake was a devastating magnitude 8.0 seismic event that struck Mexico City on September 19, 1985, causing widespread destruction and significant loss of life.
  • D. 1986 San Salvador earthquake
    The 1986 San Salvador earthquake was a devastating magnitude 5.7 tremor that struck El Salvador’s capital region on October 10, 1986, causing widespread destruction and significant loss of life.
  • E. 1746 Lima–Callao earthquake
    The 1746 Lima–Callao earthquake was a devastating seismic event in colonial Peru that destroyed much of Lima and the port of Callao and triggered a deadly tsunami, profoundly reshaping the region’s urban and architectural landscape.
  • 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_69ca83ec8db08190a9110df8232885d2 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69ccda9dbd1481909f35a4bee8e0b450 completed April 1, 2026, 8:43 a.m.
NED1 Entity disambiguation (via context triple) batch_69d0779de5a88190b6a9266c976e05b1 completed April 4, 2026, 2:29 a.m.
NEDg Description generation batch_69d0782d305481909a2b41615e890863 completed April 4, 2026, 2:32 a.m.
NED2 Entity disambiguation (via description) batch_69d0789ef4288190bf4d52e7ed47bd9b completed April 4, 2026, 2:34 a.m.
Created at: March 30, 2026, 7:28 p.m.