Triple
T17479088
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 1868 Hayward earthquake |
E425610
|
entity |
| Predicate | maximumIntensityScale |
P1942
|
FINISHED |
| Object | Modified Mercalli intensity scale |
—
|
NE NERFINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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: Modified Mercalli intensity scale | Statement: [1868 Hayward earthquake, maximumIntensityScale, Modified Mercalli intensity scale]
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Modified Mercalli intensity scale Context triple: [1868 Hayward earthquake, maximumIntensityScale, Modified Mercalli intensity scale]
-
A.
Modified Mercalli intensity scale
chosen
The Modified Mercalli intensity scale is a seismic scale that qualitatively measures the observed effects and damage of an earthquake on people, structures, and the Earth's surface.
-
B.
Richter magnitude scale
The Richter magnitude scale is a logarithmic scale used to quantify the amount of seismic energy released by an earthquake based on instrumental measurements.
-
C.
Japan Meteorological Agency seismic intensity scale
The Japan Meteorological Agency seismic intensity scale is a Japan-specific system that measures and classifies the degree of ground shaking and its effects at specific locations during an earthquake.
-
D.
moment magnitude scale
The moment magnitude scale is a modern logarithmic measure of earthquake size that estimates the total energy released, providing more accurate and consistent results than older magnitude scales for large events.
-
E.
Mercalli
Mercalli is an Italian surname most notably associated with Giuseppe Mercalli, the volcanologist who developed the Mercalli intensity scale for measuring earthquake effects.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69d889dbc2e88190b18ea6115e819258 |
elicitation | completed |
| NER | batch_69e451be5fd08190aeaa12b3a6d6c6d4 |
ner | completed |
Created at: April 10, 2026, 5:48 a.m.