Triple
T15633553
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nankai segment |
E375879
|
entity |
| Predicate | hasHistoricalEarthquake |
P7350
|
FINISHED |
| Object |
Nankai earthquake of 1707
The Nankai earthquake of 1707 was a massive megathrust earthquake and tsunami along Japan’s Nankai Trough that caused widespread destruction across southwestern Honshu, Shikoku, and Kyushu.
|
E1170883
|
NE FINISHED |
How this triple was built (5 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: Nankai earthquake of 1707 | Statement: [Nankai segment, hasHistoricalEarthquake, Nankai earthquake of 1707]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nankai earthquake of 1707 Context triple: [Nankai segment, hasHistoricalEarthquake, Nankai earthquake of 1707]
-
A.
1854 Ansei-Nankai earthquake
The 1854 Ansei-Nankai earthquake was a powerful undersea megathrust earthquake off Japan’s Nankai Trough that caused widespread destruction and tsunamis along the southwestern coast of Honshu and Shikoku during the late Edo period.
-
B.
1854 Ansei-Tokai earthquake
The 1854 Ansei-Tokai earthquake was a major Edo-period megathrust earthquake and tsunami that struck central Japan, causing widespread destruction and loss of life along the Pacific coast.
-
C.
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.
-
D.
1596 Keichō–Fushimi earthquake
The 1596 Keichō–Fushimi earthquake was a powerful late-16th-century Japanese earthquake that caused extensive destruction in the Kyoto–Osaka region and significantly impacted the political landscape of the Toyotomi regime.
-
E.
1944 Tonankai earthquake
The 1944 Tonankai earthquake was a powerful undersea megathrust earthquake off the coast of Japan that generated a destructive tsunami and caused extensive damage and loss of life in the Tōkai and Kii Peninsula regions during World War II.
- 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: Nankai earthquake of 1707 Triple: [Nankai segment, hasHistoricalEarthquake, Nankai earthquake of 1707]
Generated description
The Nankai earthquake of 1707 was a massive megathrust earthquake and tsunami along Japan’s Nankai Trough that caused widespread destruction across southwestern Honshu, Shikoku, and Kyushu.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nankai earthquake of 1707 Target entity description: The Nankai earthquake of 1707 was a massive megathrust earthquake and tsunami along Japan’s Nankai Trough that caused widespread destruction across southwestern Honshu, Shikoku, and Kyushu.
-
A.
1854 Ansei-Nankai earthquake
The 1854 Ansei-Nankai earthquake was a powerful undersea megathrust earthquake off Japan’s Nankai Trough that caused widespread destruction and tsunamis along the southwestern coast of Honshu and Shikoku during the late Edo period.
-
B.
1854 Ansei-Tokai earthquake
The 1854 Ansei-Tokai earthquake was a major Edo-period megathrust earthquake and tsunami that struck central Japan, causing widespread destruction and loss of life along the Pacific coast.
-
C.
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.
-
D.
1596 Keichō–Fushimi earthquake
The 1596 Keichō–Fushimi earthquake was a powerful late-16th-century Japanese earthquake that caused extensive destruction in the Kyoto–Osaka region and significantly impacted the political landscape of the Toyotomi regime.
-
E.
1944 Tonankai earthquake
The 1944 Tonankai earthquake was a powerful undersea megathrust earthquake off the coast of Japan that generated a destructive tsunami and caused extensive damage and loss of life in the Tōkai and Kii Peninsula regions during World War II.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasHistoricalEarthquake Context triple: [Nankai segment, hasHistoricalEarthquake, Nankai earthquake of 1707]
-
A.
hasEarthquakes
Indicates that the specified location or region experiences one or more earthquakes.
-
B.
hasEarlyEarthquakesReportedSince
Indicates that earlier-than-expected earthquakes have been reported starting from a specified point in time.
-
C.
hasLastMajorSurfaceRuptureIn
Indicates that an entity experienced its most recent significant surface-rupturing event within a specified time or temporal interval.
-
D.
lastKnownGreatEarthquakeGenerated
Indicates that the referenced event is the most recent known great earthquake that produced or generated the associated effect or data.
-
E.
notableEarthquake
chosen
Indicates that an earthquake event is significant or noteworthy due to its magnitude, impact, or historical importance.
- F. None of above.
Provenance (6 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_69d85cd035a48190b73d5579ab73969a |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e04eb7338881909f3c430bb73f91d1 |
completed | April 16, 2026, 2:51 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff6ed079e48190b86ad7b66755fc1c |
completed | May 9, 2026, 5:28 p.m. |
| NEDg | Description generation | batch_69ff6fa2b0b881908fa7af973ee0bb6f |
completed | May 9, 2026, 5:32 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ff707d1db4819097aa9402ce0abb97 |
completed | May 9, 2026, 5:35 p.m. |
| PD | Predicate disambiguation | batch_69deda868d4481908f4bce1c64d2902a |
completed | April 15, 2026, 12:23 a.m. |
Created at: April 10, 2026, 4:14 a.m.