Triple

T1755768
Position Surface form Disambiguated ID Type / Status
Subject Queen Charlotte Fault E38542 entity
Predicate notableEarthquake P7350 FINISHED
Object 1949 Queen Charlotte Islands earthquake
The 1949 Queen Charlotte Islands earthquake was a powerful magnitude 8.1 megathrust event off the coast of British Columbia, Canada, that ranks among the largest recorded earthquakes in North America.
E196200 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: 1949 Queen Charlotte Islands earthquake | Statement: [Queen Charlotte Fault, notableEarthquake, 1949 Queen Charlotte Islands earthquake]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 1949 Queen Charlotte Islands earthquake
Context triple: [Queen Charlotte Fault, notableEarthquake, 1949 Queen Charlotte Islands earthquake]
  • A. 1992 Cape Mendocino earthquakes
    The 1992 Cape Mendocino earthquakes were a sequence of powerful offshore quakes near Northern California that caused significant shaking, damage, and a small tsunami along the Pacific coast.
  • B. 2011 Tōhoku earthquake and tsunami
    The 2011 Tōhoku earthquake and tsunami was a devastating magnitude 9.0 undersea megathrust earthquake off Japan’s northeastern coast that triggered massive tsunamis, widespread destruction, and the Fukushima Daiichi nuclear disaster.
  • C. 1927 Crimean earthquake
    The 1927 Crimean earthquake was a powerful seismic event in the Black Sea region that caused significant damage across Crimea and nearby areas.
  • D. Great Kanto earthquake
    The Great Kanto earthquake was a devastating 1923 seismic disaster that struck the Tokyo-Yokohama region of Japan, causing massive destruction and loss of life.
  • E. 2004 Indian Ocean earthquake and tsunami
    The 2004 Indian Ocean earthquake and tsunami was a massive undersea megathrust earthquake off the coast of Sumatra that triggered devastating tsunamis across the Indian Ocean, killing over 200,000 people and becoming one of the deadliest natural disasters in recorded history.
  • 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: 1949 Queen Charlotte Islands earthquake
Triple: [Queen Charlotte Fault, notableEarthquake, 1949 Queen Charlotte Islands earthquake]
Generated description
The 1949 Queen Charlotte Islands earthquake was a powerful magnitude 8.1 megathrust event off the coast of British Columbia, Canada, that ranks among the largest recorded earthquakes in North America.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 1949 Queen Charlotte Islands earthquake
Target entity description: The 1949 Queen Charlotte Islands earthquake was a powerful magnitude 8.1 megathrust event off the coast of British Columbia, Canada, that ranks among the largest recorded earthquakes in North America.
  • A. 1992 Cape Mendocino earthquakes
    The 1992 Cape Mendocino earthquakes were a sequence of powerful offshore quakes near Northern California that caused significant shaking, damage, and a small tsunami along the Pacific coast.
  • B. 2011 Tōhoku earthquake and tsunami
    The 2011 Tōhoku earthquake and tsunami was a devastating magnitude 9.0 undersea megathrust earthquake off Japan’s northeastern coast that triggered massive tsunamis, widespread destruction, and the Fukushima Daiichi nuclear disaster.
  • C. 1927 Crimean earthquake
    The 1927 Crimean earthquake was a powerful seismic event in the Black Sea region that caused significant damage across Crimea and nearby areas.
  • D. Great Kanto earthquake
    The Great Kanto earthquake was a devastating 1923 seismic disaster that struck the Tokyo-Yokohama region of Japan, causing massive destruction and loss of life.
  • E. 2004 Indian Ocean earthquake and tsunami
    The 2004 Indian Ocean earthquake and tsunami was a massive undersea megathrust earthquake off the coast of Sumatra that triggered devastating tsunamis across the Indian Ocean, killing over 200,000 people and becoming one of the deadliest natural disasters in recorded history.
  • 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_69a8862bdb2081908aefe831c8aa8017 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69aa643b623081908064be75758ec5de completed March 6, 2026, 5:20 a.m.
NED1 Entity disambiguation (via context triple) batch_69ada0ea4cc08190b47d81a54c294a9a completed March 8, 2026, 4:16 p.m.
NEDg Description generation batch_69ada1a401548190af00bae3b89e46b0 completed March 8, 2026, 4:19 p.m.
NED2 Entity disambiguation (via description) batch_69ada26804288190838a93b71b494650 completed March 8, 2026, 4:23 p.m.
Created at: March 4, 2026, 7:31 p.m.