Triple
T17479076
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 1868 Hayward earthquake |
E425610
|
entity |
| Predicate | alsoKnownAs |
P39
|
FINISHED |
| Object | Great San Francisco earthquake of 1868 |
—
|
NE NERFINISHED |
How this triple was built (2 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: Great San Francisco earthquake of 1868 | Statement: [1868 Hayward earthquake, alsoKnownAs, Great San Francisco earthquake of 1868]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Great San Francisco earthquake of 1868 Context triple: [1868 Hayward earthquake, alsoKnownAs, Great San Francisco earthquake of 1868]
-
A.
1868 Hayward earthquake
chosen
The 1868 Hayward earthquake was a powerful and destructive seismic event that struck the San Francisco Bay Area in California, causing extensive damage and loss of life and serving as a key historical benchmark for seismic risk on the Hayward Fault.
-
B.
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.
-
C.
2003 San Simeon earthquake
The 2003 San Simeon earthquake was a powerful magnitude 6.5 quake that struck near San Simeon, California, causing significant damage in the town of Paso Robles and resulting in multiple fatalities.
-
D.
1857 Fort Tejon earthquake
The 1857 Fort Tejon earthquake was a massive magnitude ~7.9 rupture along California’s San Andreas Fault that produced some of the largest known ground displacements in U.S. history.
-
E.
1983 Coalinga earthquake
The 1983 Coalinga earthquake was a powerful magnitude 6.5 seismic event in central California that caused significant damage to the town of Coalinga and surrounding areas.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d889dbc2e88190b18ea6115e819258 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e451be5fd08190aeaa12b3a6d6c6d4 |
completed | April 19, 2026, 3:53 a.m. |
Created at: April 10, 2026, 5:48 a.m.