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.