Triple
T2148725
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Santa Cruz Mountains |
E47129
|
entity |
| Predicate | earthquakeEvent |
P7350
|
FINISHED |
| Object | 1989 Loma Prieta earthquake |
E1415
|
NE FINISHED |
How this triple was built (3 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: 1989 Loma Prieta earthquake | Statement: [Santa Cruz Mountains, earthquakeEvent, 1989 Loma Prieta earthquake]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 1989 Loma Prieta earthquake Context triple: [Santa Cruz Mountains, earthquakeEvent, 1989 Loma Prieta earthquake]
-
A.
1989 Loma Prieta earthquake
chosen
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.
-
B.
Loma Prieta
Loma Prieta is a prominent peak in California’s Santa Cruz Mountains, best known for lending its name to the devastating 1989 Loma Prieta earthquake.
-
C.
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.
-
D.
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.
-
E.
1985 Mexico City earthquake
The 1985 Mexico City earthquake was a devastating magnitude 8.0 seismic event that struck Mexico City on September 19, 1985, causing widespread destruction and significant loss of life.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: earthquakeEvent Context triple: [Santa Cruz Mountains, earthquakeEvent, 1989 Loma Prieta earthquake]
-
A.
earthquakeType
Indicates the specific classification or category of an earthquake based on its characteristics or cause.
-
B.
notableEarthquake
chosen
Indicates that an earthquake event is significant or noteworthy due to its magnitude, impact, or historical importance.
-
C.
earthquakeSequence
Indicates a relationship where multiple earthquakes are linked as part of the same temporal or causal sequence of seismic events.
-
D.
tectonicEvents
Indicates the occurrence or involvement of entities in geological processes related to the movement and interaction of Earth’s tectonic plates, such as earthquakes, volcanic activity, or continental drift.
-
E.
earthquakeMagnitude
Indicates the measured strength or intensity of an earthquake, typically expressed on a standardized magnitude scale.
- F. None of above.
Provenance (4 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_69a88a1933e0819094f18426ed74180f |
completed | March 4, 2026, 7:38 p.m. |
| NER | Named-entity recognition | batch_69abbeaa14bc81908486683decd7ae42 |
completed | March 7, 2026, 5:59 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae5d92391c8190a11f96796507a8d3 |
completed | March 9, 2026, 5:41 a.m. |
| PD | Predicate disambiguation | batch_69abbd9846e88190b6c2941dd9ce7749 |
completed | March 7, 2026, 5:54 a.m. |
Created at: March 4, 2026, 7:44 p.m.