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.