Triple

T11892
Position Surface form Disambiguated ID Type / Status
Subject San Francisco E242 entity
Predicate historicEvent P259 FINISHED
Object 1906 San Francisco earthquake
The 1906 San Francisco earthquake was a devastating magnitude 7.8 seismic event that struck Northern California, causing widespread destruction and fires that nearly leveled San Francisco and became one of the worst natural disasters in U.S. history.
E588 NE FINISHED

How this triple was built (5 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: 1906 San Francisco earthquake | Statement: [San Francisco, historicEvent, 1906 San Francisco earthquake]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 1906 San Francisco earthquake
Context triple: [San Francisco, historicEvent, 1906 San Francisco earthquake]
  • A. Sacramento
    Sacramento is the capital city of the U.S. state of California, known for its role as the state’s political center and its historic roots in the Gold Rush era.
  • 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. San Francisco
    San Francisco is a major coastal city in Northern California known for its hilly landscape, iconic Golden Gate Bridge, and role as a historic center of technology and counterculture.
  • D. Northern California
    Northern California is the northern portion of the U.S. state of California, known for its diverse landscapes, technology hubs like Silicon Valley, and major cities such as San Francisco and Sacramento.
  • E. Sequoia National Park
    Sequoia National Park is a U.S. national park in the southern Sierra Nevada renowned for its giant sequoia trees, including the General Sherman Tree, one of the largest trees on Earth.
  • 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: 1906 San Francisco earthquake
Triple: [San Francisco, historicEvent, 1906 San Francisco earthquake]
Generated description
The 1906 San Francisco earthquake was a devastating magnitude 7.8 seismic event that struck Northern California, causing widespread destruction and fires that nearly leveled San Francisco and became one of the worst natural disasters in U.S. history.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 1906 San Francisco earthquake
Target entity description: The 1906 San Francisco earthquake was a devastating magnitude 7.8 seismic event that struck Northern California, causing widespread destruction and fires that nearly leveled San Francisco and became one of the worst natural disasters in U.S. history.
  • A. Sacramento
    Sacramento is the capital city of the U.S. state of California, known for its role as the state’s political center and its historic roots in the Gold Rush era.
  • 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. San Francisco
    San Francisco is a major coastal city in Northern California known for its hilly landscape, iconic Golden Gate Bridge, and role as a historic center of technology and counterculture.
  • D. Northern California
    Northern California is the northern portion of the U.S. state of California, known for its diverse landscapes, technology hubs like Silicon Valley, and major cities such as San Francisco and Sacramento.
  • E. Sequoia National Park
    Sequoia National Park is a U.S. national park in the southern Sierra Nevada renowned for its giant sequoia trees, including the General Sherman Tree, one of the largest trees on Earth.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: historicEvent
Context triple: [San Francisco, historicEvent, 1906 San Francisco earthquake]
  • A. significantEvent chosen
    Indicates that an event involving the entities is of notable importance or impact within a given context.
  • B. commemoratedBy
    Indicates that something is honored, remembered, or celebrated through a particular action, event, object, or representation.
  • C. notableFor
    Indicates that an entity is especially recognized or distinguished for a particular quality, achievement, characteristic, or role.
  • D. militaryConflict
    Indicates a relationship where two or more parties are engaged in organized, armed hostilities or warfare against each other.
  • E. nationalHoliday
    Indicates that a particular day is officially recognized and observed as a national holiday by a country or nation.
  • F. None of above.

Provenance (6 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_69a23d7ad88c8190bffe8ab091d86642 completed Feb. 28, 2026, 12:57 a.m.
NER Named-entity recognition batch_69a241ea1ea081908e8a81ca97531ba5 completed Feb. 28, 2026, 1:16 a.m.
NED1 Entity disambiguation (via context triple) batch_69a243ca1c908190a50e20627e1b9a1e completed Feb. 28, 2026, 1:24 a.m.
NEDg Description generation batch_69a24667687481908fdf2588b57ceadc completed Feb. 28, 2026, 1:35 a.m.
NED2 Entity disambiguation (via description) batch_69a247312efc81908e6a6b75c520795d completed Feb. 28, 2026, 1:38 a.m.
PD Predicate disambiguation batch_69a23fe7da8c8190aea795b62cb91621 completed Feb. 28, 2026, 1:07 a.m.
Created at: Feb. 28, 2026, 1:02 a.m.