Triple

T29470
Position Surface form Disambiguated ID Type / Status
Subject 1906 San Francisco earthquake E588 entity
Predicate fault P1940 FINISHED
Object San Andreas Fault
The San Andreas Fault is a major tectonic boundary in California where the Pacific and North American plates meet, notorious for generating powerful earthquakes.
E2244 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: San Andreas Fault | Statement: [1906 San Francisco earthquake, fault, San Andreas Fault]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: San Andreas Fault
Context triple: [1906 San Francisco earthquake, fault, San Andreas Fault]
  • A. 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.
  • B. 1989 Loma Prieta earthquake
    The 1989 Loma Prieta earthquake was a powerful magnitude 6.9 quake in Northern California that caused widespread damage in the San Francisco Bay Area, including freeway collapses and the disruption of the World Series.
  • C. Sierra Nevada
    Sierra Nevada is a major mountain range in the western United States known for its dramatic granite peaks, extensive forests, and iconic natural landmarks such as Yosemite National Park and Lake Tahoe.
  • D. Central Valley
    The Central Valley is a vast, fertile agricultural region in California that serves as one of the most productive farming areas in the world.
  • E. Coastal Ranges
    The Coastal Ranges are a series of mountain ranges running along California’s Pacific coast, known for their rugged terrain, diverse ecosystems, and influence on the state’s climate and agriculture.
  • 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: San Andreas Fault
Triple: [1906 San Francisco earthquake, fault, San Andreas Fault]
Generated description
The San Andreas Fault is a major tectonic boundary in California where the Pacific and North American plates meet, notorious for generating powerful earthquakes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: San Andreas Fault
Target entity description: The San Andreas Fault is a major tectonic boundary in California where the Pacific and North American plates meet, notorious for generating powerful earthquakes.
  • A. 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.
  • B. 1989 Loma Prieta earthquake
    The 1989 Loma Prieta earthquake was a powerful magnitude 6.9 quake in Northern California that caused widespread damage in the San Francisco Bay Area, including freeway collapses and the disruption of the World Series.
  • C. Sierra Nevada
    Sierra Nevada is a major mountain range in the western United States known for its dramatic granite peaks, extensive forests, and iconic natural landmarks such as Yosemite National Park and Lake Tahoe.
  • D. Central Valley
    The Central Valley is a vast, fertile agricultural region in California that serves as one of the most productive farming areas in the world.
  • E. Coastal Ranges
    The Coastal Ranges are a series of mountain ranges running along California’s Pacific coast, known for their rugged terrain, diverse ecosystems, and influence on the state’s climate and agriculture.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: fault
Context triple: [1906 San Francisco earthquake, fault, San Andreas Fault]
  • A. issues
    Indicates that an entity formally produces, releases, or distributes something, such as a document, order, or resource, making it officially available.
  • B. causeOf
    Indicates that one entity brings about, produces, or is responsible for the occurrence or existence of another entity or event.
  • C. flag
    Indicates that one entity marks, signals, or draws attention to another entity, often to denote status, importance, or the need for review or action.
  • D. front
    Indicates that one entity is located directly before or facing another entity along a primary viewing or movement direction.
  • E. after
    Indicates that one event, state, or action occurs later in time than another, following it in temporal order.
  • F. None of above. chosen

Provenance (7 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_69a2479dec388190967ba648663442c9 completed Feb. 28, 2026, 1:40 a.m.
NER Named-entity recognition batch_69a2490019948190a89bb0910c60d462 completed Feb. 28, 2026, 1:46 a.m.
NED1 Entity disambiguation (via context triple) batch_69a24e5d121c8190bf7bb88346dcc141 completed Feb. 28, 2026, 2:09 a.m.
NEDg Description generation batch_69a24edff52081909ec669158900651c completed Feb. 28, 2026, 2:11 a.m.
NED2 Entity disambiguation (via description) batch_69a24f4a96288190981be6076e919262 completed Feb. 28, 2026, 2:13 a.m.
PD Predicate disambiguation batch_69a2486d40348190b2d21fc444f499a6 completed Feb. 28, 2026, 1:44 a.m.
PDg Predicate description generation batch_69a248fef2b881908180bd4e32e58cb5 completed Feb. 28, 2026, 1:46 a.m.
Created at: Feb. 28, 2026, 1:44 a.m.